diff --git a/school/community/widgets/Avatar.html b/school/community/widgets/Avatar.html
index 47cf60c9..f4b7194c 100644
--- a/school/community/widgets/Avatar.html
+++ b/school/community/widgets/Avatar.html
@@ -1,14 +1,14 @@
 {% set color = get_palette(member.full_name) %}
-<a class="button-links" href="{{ get_profile_url(member.username) }}">
-  <span class="avatar {{ avatar_class }}" title="{{ member.full_name }}">
-    {% if member.user_image %}
-    <img class="avatar-frame standard-image" style="object-fit: cover;" src="{{ member.user_image }}" title="{{ member.full_name }}">
-    </img>
-    {% else %}
-    <span class="avatar-frame standard-image" title="{{ member.full_name }}"
-      style="background-color: var({{color[0]}}); color: var({{color[1]}});">
-      {{ frappe.utils.get_abbr(member.full_name) }}
-    </span>
-    {% endif %}
+<span class="avatar {{ avatar_class }}" title="{{ member.full_name }}">
+  <a class="button-links" href="{{ get_profile_url(member.username) }}">
+  {% if member.user_image %}
+  <img class="avatar-frame standard-image" style="object-fit: cover;" src="{{ member.user_image }}" title="{{ member.full_name }}">
+  </img>
+  {% else %}
+  <span class="avatar-frame standard-image" title="{{ member.full_name }}"
+    style="background-color: var({{color[0]}}); color: var({{color[1]}});">
+    {{ frappe.utils.get_abbr(member.full_name) }}
   </span>
+  {% endif %}
 </a>
+</span>
diff --git a/school/hooks.py b/school/hooks.py
index 3af95593..7ad7ea2d 100644
--- a/school/hooks.py
+++ b/school/hooks.py
@@ -162,10 +162,26 @@ update_website_context = [
 jinja = {
     "methods": [
         "school.page_renderers.get_profile_url",
+        "school.overrides.user.get_authored_courses",
         "school.overrides.user.get_palette",
         "school.www.utils.get_membership",
         "school.www.utils.get_lessons",
-        "school.www.utils.get_tags"
+        "school.www.utils.get_tags",
+        "school.www.utils.get_instructors",
+        "school.www.utils.get_students",
+        "school.www.utils.get_average_rating",
+        "school.www.utils.is_certified",
+        "school.www.utils.get_lesson_index",
+        "school.www.utils.get_lesson_url",
+        "school.www.utils.get_chapters",
+        "school.www.utils.get_slugified_chapter_title",
+        "school.www.utils.get_progress",
+        "school.www.utils.render_html",
+        "school.www.utils.is_mentor",
+        "school.www.utils.is_cohort_staff",
+        "school.www.utils.get_mentors",
+        "school.www.utils.get_reviews",
+        "school.www.utils.is_eligible_to_review",
     ],
     "filters": []
 }
diff --git a/school/lms/doctype/course_lesson/course_lesson.py b/school/lms/doctype/course_lesson/course_lesson.py
index 0be2e853..f03910f1 100644
--- a/school/lms/doctype/course_lesson/course_lesson.py
+++ b/school/lms/doctype/course_lesson/course_lesson.py
@@ -5,7 +5,8 @@
 from __future__ import unicode_literals
 import frappe
 from frappe.model.document import Document
-from ...md import markdown_to_html, find_macros
+from ...md import find_macros
+from school.www.utils import get_course_progress
 
 class CourseLesson(Document):
     def validate(self):
@@ -57,9 +58,6 @@ class CourseLesson(Document):
             folder = frappe.get_doc(args)
             folder.save(ignore_permissions=True)
 
-    def render_html(self):
-        return markdown_to_html(self.body)
-
     def get_exercises(self):
         if not self.body:
             return []
@@ -107,7 +105,6 @@ def save_progress(lesson, course, status):
             "status": status,
         }).save(ignore_permissions=True)
 
-    course_details = frappe.get_doc("LMS Course", course)
-    progress = course_details.get_course_progress()
+    progress = get_course_progress(course)
     frappe.db.set_value("LMS Batch Membership", membership, "progress", progress)
     return progress
diff --git a/school/lms/doctype/lms_course/lms_course.py b/school/lms/doctype/lms_course/lms_course.py
index 6ac61fe4..820c72bb 100644
--- a/school/lms/doctype/lms_course/lms_course.py
+++ b/school/lms/doctype/lms_course/lms_course.py
@@ -8,7 +8,7 @@ import json
 from ...utils import slugify
 from school.query import find, find_all
 from frappe.utils import flt, cint
-from ...utils import slugify
+from school.www.utils import get_chapters
 
 class LMSCourse(Document):
 
@@ -98,31 +98,7 @@ class LMSCourse(Document):
         })
         doc.insert()
 
-    def get_mentors(self):
-        """Returns the list of all mentors for this course.
-        """
-        course_mentors = []
-        mentors = frappe.get_all("LMS Course Mentor Mapping", {"course": self.name}, ["mentor"])
-        for mentor in mentors:
-            member = frappe.get_doc("User", mentor.mentor)
-            member.batch_count = frappe.db.count("LMS Batch Membership",
-                                    {
-                                        "member": member.name,
-                                        "member_type": "Mentor"
-                                    })
-            course_mentors.append(member)
-        return course_mentors
 
-    def is_mentor(self, email):
-        """Checks if given user is a mentor for this course.
-        """
-        if not email:
-            return False
-        return frappe.db.count("LMS Course Mentor Mapping",
-            {
-                "course": self.name,
-                "mentor": email
-            })
 
     def get_student_batch(self, email):
         """Returns the batch the given student is part of.
@@ -142,12 +118,6 @@ class LMSCourse(Document):
             fieldname="batch")
         return batch_name and frappe.get_doc("LMS Batch", batch_name)
 
-    def get_slugified_chapter_title(self, chapter):
-        return slugify(chapter)
-
-    def get_batch(self, batch_name):
-        return find("LMS Batch", name=batch_name, course=self.name)
-
     def get_batches(self, mentor=None):
         batches = find_all("LMS Batch", course=self.name)
         if mentor:
@@ -166,36 +136,8 @@ class LMSCourse(Document):
         name = frappe.get_value("Cohort", {"course": self.name, "slug": cohort_slug})
         return name and frappe.get_doc("Cohort", name)
 
-    def is_cohort_staff(self, user_email):
-        """Returns True if the user is either a mentor or a staff for one or more active cohorts of this course.
-        """
-        q1 = {
-            "doctype": "Cohort Staff",
-            "course": self.name,
-            "email": user_email
-        }
-        q2 = {
-            "doctype": "Cohort Mentor",
-            "course": self.name,
-            "email": user_email
-        }
-        return frappe.db.exists(q1) or frappe.db.exists(q2)
-
-    def get_lesson_index(self, lesson_name):
-        """Returns the {chapter_index}.{lesson_index} for the lesson.
-        """
-        lesson = frappe.db.get_value("Lesson Reference", {"lesson": lesson_name}, ["idx", "parent"], as_dict=True)
-        if not lesson:
-            return None
-
-        chapter = frappe.db.get_value("Chapter Reference", {"chapter": lesson.parent}, ["idx"], as_dict=True)
-        if not chapter:
-            return None
-
-        return f"{chapter.idx}.{lesson.idx}"
-
     def reindex_exercises(self):
-        for i, c in enumerate(self.get_chapters(), start=1):
+        for i, c in enumerate(get_chapters(self.name), start=1):
             self._reindex_exercises_in_chapter(c, i)
 
     def _reindex_exercises_in_chapter(self, c, index):
@@ -207,117 +149,12 @@ class LMSCourse(Document):
                 exercise.save()
                 i += 1
 
-    def get_learn_url(self, lesson_number):
-        if not lesson_number:
-            return
-        return f"/courses/{self.name}/learn/{lesson_number}"
-
-
-
     def get_all_memberships(self, member):
         all_memberships = frappe.get_all("LMS Batch Membership", {"member": member, "course": self.name}, ["batch"])
         for membership in all_memberships:
             membership.batch_title = frappe.db.get_value("LMS Batch", membership.batch, "title")
         return all_memberships
 
-    def get_students(self, batch=None):
-        """Returns (email, full_name, username) of all the students of this batch as a list of dict.
-        """
-        filters = {
-            "course": self.name,
-            "member_type": "Student"
-        }
-        if batch:
-            filters["batch"] = batch
-        memberships = frappe.get_all(
-                    "LMS Batch Membership",
-                    filters,
-                    ["member"])
-        member_names = [m['member'] for m in memberships]
-        return find_all("User", name=["IN", member_names])
-
-
-
-    def get_reviews(self):
-        reviews = frappe.get_all("LMS Course Review",
-                    {
-                        "course": self.name
-                    },
-                    ["review", "rating", "owner"],
-                    order_by= "creation desc")
-        out_of_ratings = frappe.db.get_all("DocField",
-            {
-                "parent": "LMS Course Review",
-                "fieldtype": "Rating"
-            },
-            ["options"])
-        out_of_ratings = (len(out_of_ratings) and out_of_ratings[0].options) or 5
-        for review in reviews:
-            review.rating = review.rating * out_of_ratings
-            review.owner_details = frappe.get_doc("User", review.owner)
-
-        return reviews
-
-    def is_eligible_to_review(self, membership):
-        """ Checks if user is eligible to review the course """
-        if not membership:
-            return False
-        if frappe.db.count("LMS Course Review",
-                {
-                    "course": self.name,
-                    "owner": frappe.session.user
-                }):
-            return False
-        return True
-
-    def get_average_rating(self):
-        ratings = [review.rating for review in self.get_reviews()]
-        if not len(ratings):
-            return None
-        return sum(ratings)/len(ratings)
-
-    def get_progress(self, lesson):
-        return frappe.db.get_value("LMS Course Progress",
-                {
-                    "course": self.name,
-                    "owner": frappe.session.user,
-                    "lesson": lesson
-                },
-                ["status"])
-
-    def get_course_progress(self, member=None):
-        """ Returns the course progress of the session user """
-        lesson_count = len(self.get_lessons())
-        if not lesson_count:
-            return 0
-        completed_lessons = frappe.db.count("LMS Course Progress",
-                                {
-                                    "course": self.name,
-                                    "owner": member or frappe.session.user,
-                                    "status": "Complete"
-                                })
-        precision = cint(frappe.db.get_default("float_precision")) or 3
-        return flt(((completed_lessons/lesson_count) * 100), precision)
-
-    def get_neighbours(self, current, lessons):
-        current = flt(current)
-        numbers = sorted(lesson.number for lesson in lessons)
-        index = numbers.index(current)
-        return {
-                "prev": numbers[index-1] if index-1 >= 0 else None,
-                "next": numbers[index+1] if index+1 < len(numbers) else None
-            }
-
-    def is_certified(self):
-        certificate = frappe.get_all("LMS Certification",
-                        {
-                            "student": frappe.session.user,
-                            "course": self.name
-                        })
-        if len(certificate):
-            return certificate[0].name
-        return
-
 @frappe.whitelist()
 def reindex_exercises(doc):
     course_data = json.loads(doc)
diff --git a/school/lms/md.py b/school/lms/md.py
index b072af2a..5acb6322 100644
--- a/school/lms/md.py
+++ b/school/lms/md.py
@@ -105,7 +105,7 @@ def sanitize_html(html, macro):
     any broken tags. This makes sures that all those things are fixed
     before passing to the etree parser.
     """
-    soup = BeautifulSoup(html, features="html5lib")
+    soup = BeautifulSoup(html, features="lxml")
     nodes = soup.body.children
     classname = ""
     if macro == "YouTubeVideo":
diff --git a/school/lms/web_template/course_cards/course_cards.html b/school/lms/web_template/course_cards/course_cards.html
index e65a8efb..cbf9563a 100644
--- a/school/lms/web_template/course_cards/course_cards.html
+++ b/school/lms/web_template/course_cards/course_cards.html
@@ -2,7 +2,8 @@
   <h2 class="section-title">{{ title }}</h2>
   <div class="cards-parent mt-10">
     {% for course_row in courses %}
-    {% set course = frappe.get_doc("LMS Course", course_row.course) %}
+    {% set course = frappe.db.get_value("LMS Course", course_row.course,
+      ["name", "upcoming", "title", "image", "enable_certification"], as_dict=True) %}
     {{ widgets.CourseCard(course=course, read_only=False) }}
     {% endfor %}
   </div>
diff --git a/school/lms/widgets/ChapterTeaser.html b/school/lms/widgets/ChapterTeaser.html
index 6bdcc5e3..7376acfd 100644
--- a/school/lms/widgets/ChapterTeaser.html
+++ b/school/lms/widgets/ChapterTeaser.html
@@ -1,12 +1,12 @@
 <div>
 
-  <div class="chapter-title small-title" data-target="#{{ course.get_slugified_chapter_title(chapter.title) }}"
+  <div class="chapter-title small-title" data-target="#{{ get_slugified_chapter_title(chapter.title) }}"
     data-toggle="collapse" aria-expanded="false">
     <img class="chapter-icon" src="/assets/school/icons/chevron-right.svg">
     {{ index }}. {{ chapter.title }}
   </div>
 
-  <div class="chapter-content collapse navbar-collapse" id="{{ course.get_slugified_chapter_title(chapter.title) }}">
+  <div class="chapter-content collapse navbar-collapse" id="{{ get_slugified_chapter_title(chapter.title) }}">
 
     {% if chapter.description %}
     <div class="chapter-description muted-text">
@@ -17,17 +17,17 @@
     {% set is_instructor = frappe.session.user == course.instructor %}
     <div class="lessons">
 
-      {% for lesson in course.get_lessons(chapter) %}
+      {% for lesson in get_lessons(course.name, chapter) %}
 
       <div class="lesson-info {% if membership.current_lesson == lesson.name %} active-lesson {% endif %}">
 
         {% if membership or lesson.include_in_preview %}
-        <a class="lesson-links" href="{{ course.get_learn_url(lesson.number) }}{{course.query_parameter}}"
+        <a class="lesson-links" href="{{ get_lesson_url(course.name, lesson.number) }}{{course.query_parameter}}"
           data-course="{{ course.name }}">
           {{ lesson.title }}
 
           {% if membership %}
-          <img class="ml-1 lesson-progress-tick {{ course.get_progress(lesson.name) != 'Complete' and 'hide' }}"
+          <img class="ml-1 lesson-progress-tick {{ get_progress(course.name, lesson.name) != 'Complete' and 'hide' }}"
             src="/assets/school/icons/check.svg">
           {% endif %}
 
@@ -36,7 +36,7 @@
         {% elif is_instructor and not lesson.include_in_preview %}
         <a class="lesson-links"
         title="This lesson is not available for preview. As you are the Instructor of the course only you can see it."
-        href="{{ course.get_learn_url(lesson.number) }}{{course.query_parameter}}"
+        href="{{ course.get_lesson_url(lesson.number) }}{{course.query_parameter}}"
         data-course="{{ course.name }}">
         {{ lesson.title }}
           <img class="ml-2" src="/assets/school/icons/lock.svg">
@@ -58,7 +58,7 @@
   </div>
 </div>
 
-{% if index != course.get_chapters() | length %}
+{% if index != get_chapters(course.name) | length %}
 <div class="card-divider"></div>
 {% endif %}
 
diff --git a/school/lms/widgets/CourseCard.html b/school/lms/widgets/CourseCard.html
index 3fccea1a..bfa80bd4 100644
--- a/school/lms/widgets/CourseCard.html
+++ b/school/lms/widgets/CourseCard.html
@@ -34,23 +34,38 @@
   <div class="progress-percentage">{{ progress }}% Completed</div>
   {% endif %}
 
-  <div class="course-card-footer">
-    <span>
-      {{ widgets.Avatar(member=course.get_instructor(), avatar_class="avatar-small") }}
-      <a class="button-links" href="{{ get_profile_url(course.get_instructor().username) }}">
+  <div class="zindex course-card-footer">
+    <span class="">
+      {% set instructors = get_instructors(course.name) %}
+      {% for instructor in instructors %}
+      {% if instructors | length > 1 and loop.index == 1 %}
+      <div class="avatar-group left overlap">
+      {% endif %}
+      {{ widgets.Avatar(member=instructor, avatar_class="avatar-small") }}
+
+      {% if instructors | length > 1 and loop.index == instructors | length %}
+      </div>
+      {% endif %}
+      {% endfor %}
+      <a class="button-links" href="{{ get_profile_url(instructors[0].username) }}">
         <span class="course-instructor">
-          {{ instructor.full_name }}
+        {% if instructors | length == 1 %}
+          {{ instructors[0].full_name }}
+        {% else %}
+          {{ instructors[0].full_name.split(" ")[0] }} and {{ instructors | length - 1 }} others
+        {% endif %}
         </span>
       </a>
-    </span>
-    {% endfor %}
+        </span>
+    {% set student_count = get_students(course.name) | length %}
     <span class="course-student-count">
-      {% if course.get_students() | length %}
+      {% if student_count %}
       <span class="vertically-center mr-4">
         <img class="icon-background" src="/assets/school/icons/user.svg" />
-        {{ course.get_students() | length }}
-      </span> {% endif %}
-      {% set avg_rating = course.get_average_rating() %}
+        {{ student_count }}
+      </span>
+      {% endif %}
+      {% set avg_rating = get_average_rating(course.name) %}
       {% if avg_rating %}
       <span class="vertically-center">
         <img class="icon-background" src="/assets/school/icons/rating.svg" />
@@ -64,11 +79,11 @@
   <a class="stretched-link" href="/courses/{{ course.name }}"></a>
   {% else %}
 
-  {% set lesson_index = course.get_lesson_index(membership.current_lesson) if membership and
+  {% set lesson_index = get_lesson_index(membership.current_lesson) if membership and
   membership.current_lesson else '1.1' %}
   {% set query_parameter = "?batch=" + membership.batch if membership and
   membership.batch else "" %}
-  {% set certificate = course.is_certified() %}
+  {% set certificate = is_certified(course.name) %}
 
   {% if certificate %}
   <a class="stretched-link" href="/courses/{{ course.name }}/{{ certificate }}"></a>
@@ -83,7 +98,7 @@
   <a class="stretched-link" href="/courses/{{ course.name }}"></a>
 
   {% elif membership %}
-  <a class="stretched-link" href="{{ course.get_learn_url(lesson_index) }}{{ query_parameter }}"></a>
+  <a class="stretched-link" href="{{ get_lesson_url(course.name, lesson_index) }}{{ query_parameter }}"></a>
 
   {% else %}
   <a class="stretched-link" href="/courses/{{ course.name }}"></a>
diff --git a/school/lms/widgets/CourseOutline.html b/school/lms/widgets/CourseOutline.html
index 8e56d3a5..5c1e47db 100644
--- a/school/lms/widgets/CourseOutline.html
+++ b/school/lms/widgets/CourseOutline.html
@@ -1,10 +1,10 @@
-{% if course.get_chapters() | length %}
+{% if get_chapters(course.name) | length %}
 <div class="">
   <div class="course-home-headings">
     Course Outline
   </div>
   <div class="common-card-style course-outline">
-    {% for chapter in course.get_chapters() %}
+    {% for chapter in get_chapters(course.name) %}
     {{ widgets.ChapterTeaser(index=loop.index, chapter=chapter, course=course, batch=batch, membership=membership) }}
     {% endfor %}
   </div>
diff --git a/school/lms/widgets/MemberCard.html b/school/lms/widgets/MemberCard.html
index 3679aa24..6205e0e7 100644
--- a/school/lms/widgets/MemberCard.html
+++ b/school/lms/widgets/MemberCard.html
@@ -3,7 +3,7 @@
   <div class="small-title member-card-title {% if show_course_count %} font-weight-bold {% endif %}">
     {{ member.full_name }}
   </div>
-  {% set course_count = member.get_authored_courses() | length %}
+  {% set course_count = get_authored_courses(member.name) | length %}
   {% if show_course_count and course_count > 0 %}
   {% set suffix = "Courses" if course_count > 1 else "Course" %}
   <div class="small-title">
diff --git a/school/lms/widgets/Reviews.html b/school/lms/widgets/Reviews.html
index 89264fe8..250d63f2 100644
--- a/school/lms/widgets/Reviews.html
+++ b/school/lms/widgets/Reviews.html
@@ -1,11 +1,11 @@
 {% if not course.upcoming %}
 <div class="reviews-parent">
-  {% set reviews = course.get_reviews() %}
+  {% set reviews = get_reviews(course.name) %}
   <div class="mb-5">
-    <span class="course-home-headings">Reviews</span>
-    {% if course.is_eligible_to_review(membership) and reviews | length %}
+    <span class="course-home-headings"> {{ _("Reviews") }} </span>
+    {% if is_eligible_to_review(course.name, membership) and reviews | length %}
     <span class="review-link button is-secondary pull-right">
-      Write a review
+      {{ _("Write a review") }}
     </span>
     {% endif %}
   </div>
@@ -41,9 +41,9 @@
     <img class="icon icon-xl" src="/assets/frappe/icons/timeless/message.svg">
     <div class="course-home-headings mt-4 mb-0" style="color: inherit;"> {{ _("Review the course") }} </div>
     <div class="small mb-6"> {{ _("Help us improve our course material.") }} </div>
-    {% if course.is_eligible_to_review(membership) %}
+    {% if is_eligible_to_review(course.name, membership) %}
       <span class="review-link button is-secondary ml-auto mr-auto mt-3">
-        Write a review
+        {{ _("Write a review") }}
       </span>
     {% elif frappe.session.user == "Guest" %}
     <a class="button is-secondary dark-links ml-auto mr-auto mt-3" href="/login?redirect-to=/courses/{{ course.name }}"> {{ _("Login") }} </a>
@@ -59,7 +59,7 @@
   <div class="modal-dialog" role="document">
     <div class="modal-content">
       <div class="modal-header">
-        <div class="font-weight-bold">Write a Review</div>
+        <div class="font-weight-bold">{{ _("Write a review") }}</div>
         <button type="button" class="close" data-dismiss="modal" aria-label="Close">
           <span aria-hidden="true">&times;</span>
         </button>
@@ -68,7 +68,7 @@
         <form class="review-form" id="review-form">
           <div class="form-group">
             <div class="clearfix">
-              <label class="control-label reqd" style="padding-right: 0px;">Rating</label>
+              <label class="control-label reqd" style="padding-right: 0px;">{{ _("Rating") }}</label>
             </div>
             <div class="control-input-wrapper">
               <div class="control-input">
@@ -85,7 +85,7 @@
 
           <div class="form-group">
             <div class="clearfix">
-              <label class="control-label reqd" style="padding-right: 0px;">Review</label>
+              <label class="control-label reqd" style="padding-right: 0px;">{{ _("Review") }}</label>
             </div>
             <div class="control-input-wrapper">
               <div class="control-input">
@@ -100,7 +100,7 @@
       </div>
       <div class="modal-footer">
         <div class="button submit-review is-primary" data-course="{{ course.name | urlencode}}" id="submit-review">
-          Submit</div>
+          {{ _("Submit") }}</div>
       </div>
     </div>
   </div>
diff --git a/school/overrides/user.py b/school/overrides/user.py
index f82f380e..ebec86de 100644
--- a/school/overrides/user.py
+++ b/school/overrides/user.py
@@ -84,14 +84,7 @@ class CustomUser(User):
 
             self.profile_complete = all_fields_have_value
 
-    def get_authored_courses(self) -> int:
-        """Returns the number of courses authored by this user.
-        """
-        return frappe.get_all(
-            'LMS Course', {
-                'instructor': self.name,
-                'is_published': True
-        })
+
 
     def get_batch_count(self) -> int:
         """Returns the number of batches authored by this user.
@@ -131,7 +124,8 @@ class CustomUser(User):
 
         for map in mapping:
             if frappe.db.get_value("LMS Course", map.course, "is_published"):
-                course = frappe.get_doc("LMS Course", map.course)
+                course = frappe.db.get_value("LMS Course", map.course,
+                    ["name", "upcoming", "title", "image", "enable_certification"], as_dict=True)
                 mentored_courses.append(course)
 
         return mentored_courses
@@ -141,7 +135,8 @@ class CustomUser(User):
         completed = []
         memberships = self.get_course_membership("Student")
         for membership in memberships:
-            course = frappe.get_doc("LMS Course", membership.course)
+            course = frappe.db.get_value("LMS Course", membership.course,
+                ["name", "upcoming", "title", "image", "enable_certification"], as_dict=True)
             progress = cint(membership.progress)
             if progress < 100:
                 in_progress.append(course)
@@ -152,6 +147,14 @@ class CustomUser(User):
             "in_progress": in_progress,
             "completed": completed
         }
+def get_authored_courses(member):
+    """Returns the number of courses authored by this user.
+    """
+    return frappe.get_all(
+        'LMS Course', {
+            'instructor': member,
+            'is_published': True
+    })
 
 def get_palette(full_name):
         """
diff --git a/school/patches/v0_0/add_progress_to_membership.py b/school/patches/v0_0/add_progress_to_membership.py
index 55172614..8df81061 100644
--- a/school/patches/v0_0/add_progress_to_membership.py
+++ b/school/patches/v0_0/add_progress_to_membership.py
@@ -1,5 +1,6 @@
 import frappe
 from frappe.utils import rounded
+from school.www.utils import get_course_progress
 
 def execute():
     frappe.reload_doc("lms", "doctype", "lms_batch_membership")
@@ -14,9 +15,8 @@ def execute():
             if current_course != membership.course:
                 current_course = membership.course
 
-            course_details = frappe.get_doc("LMS Course", current_course)
-            progress = rounded(course_details.get_course_progress(membership.member))
+            progress = rounded(get_course_progress(current_course, membership.member))
             frappe.db.set_value("LMS Batch Membership", membership.name, "progress", progress)
 
     frappe.db.delete("Prepared Report", {"ref_report_doctype": "Course Progress Summary"})
-    frappe.db.set_value("Report", "Course Progress Summary", "prepared_report", 0)
\ No newline at end of file
+    frappe.db.set_value("Report", "Course Progress Summary", "prepared_report", 0)
diff --git a/school/public/css/style.css b/school/public/css/style.css
index bf934d13..ce2a1370 100644
--- a/school/public/css/style.css
+++ b/school/public/css/style.css
@@ -79,7 +79,6 @@ input[type=checkbox] {
 }
 
 .common-page-style {
-  background: #F4F5F6;
   padding-bottom: 5rem;
   min-height: 60vh;
   padding-top: 3rem;
@@ -171,6 +170,10 @@ input[type=checkbox] {
   margin-top: auto;
 }
 
+.course-card-footer .avatar-group {
+  display: inherit;
+}
+
 .view-course-link {
   height: 32px;
   border-radius: 4px;
diff --git a/school/www/batch/learn.html b/school/www/batch/learn.html
index 93e1a2a4..959a9c3d 100644
--- a/school/www/batch/learn.html
+++ b/school/www/batch/learn.html
@@ -40,7 +40,7 @@
   {% if membership or is_instructor %} eligible-for-submission {% endif %}" data-lesson="{{ lesson.name }}"
     data-course="{{ course.name }}">
     {{ lesson.title }}
-    <span class="lesson-progress {{hide if course.get_progress(lesson.name) != 'Complete' else ''}}">COMPLETED</span>
+    <span class="lesson-progress {{hide if get_progress(course.name, lesson.name) != 'Complete' else ''}}">COMPLETED</span>
   </div>
 
 
@@ -52,7 +52,7 @@
       <a href="#" class="close" data-dismiss="alert" aria-label="close">&times;</a>
     </small>
     {% endif %}
-    {{ lesson.render_html() }}</div>
+    {{ render_html(lesson.body) }}</div>
   {% else %}
   <div class="common-card-style lesson-content-card">
     <div class="w-25 text-center" style="margin: 0 auto;">
@@ -78,8 +78,8 @@
   </div>
 
 
-  {% if not course.is_mentor(frappe.session.user) and membership %}
-  {% set progress = course.get_progress(lesson.name) %}
+  {% if not is_mentor(course.name, frappe.session.user) and membership %}
+  {% set progress = get_progress(course.name, lesson.name) %}
   <div class="custom-checkbox {% if progress == 'Complete' %} hide {% endif %}">
     <label class="quiz-label">
       <input class="option mark-progress" type="checkbox" checked>
diff --git a/school/www/batch/learn.py b/school/www/batch/learn.py
index 855e79f9..dcc9ccb6 100644
--- a/school/www/batch/learn.py
+++ b/school/www/batch/learn.py
@@ -1,28 +1,27 @@
 from re import I
 import frappe
-from . import utils
-from frappe.utils import cstr
+from school.www.utils import get_common_context, redirect_to_lesson, get_lesson_url
+from frappe.utils import cstr, flt
 
 from school.www import batch
 
 def get_context(context):
-    utils.get_common_context(context)
+    get_common_context(context)
 
     chapter_index = frappe.form_dict.get("chapter")
     lesson_index = frappe.form_dict.get("lesson")
     lesson_number = f"{chapter_index}.{lesson_index}"
-
     if not chapter_index or not lesson_index:
         if context.batch:
             index_ = get_lesson_index(context.course, context.batch, frappe.session.user) or "1.1"
         else:
             index_ = "1.1"
-        utils.redirect_to_lesson(context.course, index_)
+        redirect_to_lesson(context.course, index_)
 
     context.lesson = get_current_lesson_details(lesson_number, context)
-    neighbours = context.course.get_neighbours(lesson_number, context.lessons)
-    context.next_url = get_learn_url(neighbours["next"], context.course)
-    context.prev_url = get_learn_url(neighbours["prev"], context.course)
+    neighbours = get_neighbours(lesson_number, context.lessons)
+    context.next_url = get_url(neighbours["next"], context.course)
+    context.prev_url = get_url(neighbours["prev"], context.course)
 
     meta_info = context.lesson.title + " - " + context.course.title
     context.metatags = {
@@ -38,15 +37,16 @@ def get_context(context):
         "lesson": context.lesson.name,
         "is_member": context.membership is not None
     }
+    print(context)
 
 def get_current_lesson_details(lesson_number, context):
     details_list = list(filter(lambda x: cstr(x.number) == lesson_number, context.lessons))
     if not len(details_list):
-        utils.redirect_to_lesson(context.course)
+        redirect_to_lesson(context.course)
     return details_list[0]
 
-def get_learn_url(lesson_number, course):
-    return course.get_learn_url(lesson_number) and course.get_learn_url(lesson_number) + course.query_parameter
+def get_url(lesson_number, course):
+    return get_lesson_url(course.name, lesson_number) and get_lesson_url(course.name, lesson_number) + course.query_parameter
 
 def get_lesson_index(course, batch, user):
     lesson = batch.get_current_lesson(user)
@@ -59,3 +59,12 @@ def get_page_extensions(context):
     for e in extensions:
         e.set_context(context)
     return extensions
+
+def get_neighbours(current, lessons):
+    current = flt(current)
+    numbers = sorted(lesson.number for lesson in lessons)
+    index = numbers.index(current)
+    return {
+            "prev": numbers[index-1] if index-1 >= 0 else None,
+            "next": numbers[index+1] if index+1 < len(numbers) else None
+        }
diff --git a/school/www/courses/course.html b/school/www/courses/course.html
index 38a5609d..11f67e90 100644
--- a/school/www/courses/course.html
+++ b/school/www/courses/course.html
@@ -49,11 +49,11 @@
       </div>
       {% endif %}
       {% if membership %}
-      {% set lesson_index = course.get_lesson_index(membership.current_lesson) if membership and
+      {% set lesson_index = get_lesson_index(membership.current_lesson) if membership and
       membership.current_lesson
       else '1.1' %}
       <a class="button wide-button is-primary" id="continue-learning"
-        href="{{ course.get_learn_url(lesson_index) }}{{ course.query_parameter }}">
+        href="{{ get_lesson_url(course.name, lesson_index) }}{{ course.query_parameter }}">
         Continue Learning <img class="ml-2" src="/assets/school/icons/white-arrow.svg" />
       </a>
       {% endif %}
@@ -70,7 +70,7 @@
       </div>
       {% endif %}
 
-      {% if course.is_cohort_staff(frappe.session.user) %}
+      {% if is_cohort_staff(course.name, frappe.session.user) %}
         <a class="button wide-button is-secondary"
            href="/courses/{{course.name}}/manage"
            style="color: inherit;">
@@ -129,14 +129,14 @@
   <div class="course-home-headings">
     Creator
   </div>
-  {% for instructor in course.get_instructors() %}
+  {% for instructor in get_instructors(course.name) %}
   {{ widgets.MemberCard(member=instructor, show_course_count=True, avatar_class="avatar-large") }}
   {% endfor %}
 </div>
 {% endmacro %}
 
 {% macro Progress(course) %}
-{% set certificate = course.is_certified() %}
+{% set certificate = is_certified(course.name) %}
 {% set progress = frappe.utils.cint(membership.progress) %}
 {% if progress %}
 <div class="course-progress-section">
@@ -186,17 +186,17 @@
 {% endmacro %}
 
 {% macro Overview(course) %}
-{% set avg_rating = course.get_average_rating() %}
-{% if course.get_students() | length or avg_rating %}
+{% set avg_rating = get_average_rating(course.name) %}
+{% if get_students(course.name) | length or avg_rating %}
 <div class="course-overview-section">
   <div class="course-home-headings">
     Overview
   </div>
   <div class="common-card-style overview-card small-title">
-    {% if course.get_students() | length %}
+    {% if get_students(course.name) | length %}
     <div class="overview-item">
       <img class="icon-background mr-1" src="/assets/school/icons/user.svg" />
-      {{ course.get_students() | length }} Enrolled
+      {{ get_students(course.name) | length }} Enrolled
     </div>
     {% endif %}
     {% if avg_rating %}
@@ -213,13 +213,13 @@
 <!-- Mentors -->
 
 {% macro Mentors(course) %}
-{% if course.get_mentors() | length %}
+{% if get_mentors(course.name) | length %}
 <div class="course-home-mentors">
   <div class="course-home-headings">
     Mentors
   </div>
   <div class="member-parent">
-    {% for mentor in course.get_mentors() %}
+    {% for mentor in get_mentors(course.name) %}
     {{ widgets.MemberCard(member=mentor, show_course_count=False) }}
     {% endfor %}
   </div>
diff --git a/school/www/courses/course.py b/school/www/courses/course.py
index 39a891bd..22004fbe 100644
--- a/school/www/courses/course.py
+++ b/school/www/courses/course.py
@@ -1,5 +1,6 @@
 import frappe
 from school.lms.doctype.lms_settings.lms_settings import check_profile_restriction
+from school.www.utils import get_membership
 
 def get_context(context):
     context.no_cache = 1
@@ -16,7 +17,7 @@ def get_context(context):
         raise frappe.Redirect
 
     context.course = course
-    membership = course.get_membership(frappe.session.user)
+    membership = get_membership(course.name, frappe.session.user)
     context.course.query_parameter = "?batch=" + membership.batch if membership and membership.batch else ""
     context.membership = membership
     if context.course.upcoming:
diff --git a/school/www/courses/index.py b/school/www/courses/index.py
index fb9b8899..0f81e601 100644
--- a/school/www/courses/index.py
+++ b/school/www/courses/index.py
@@ -15,7 +15,7 @@ def get_context(context):
 def get_courses():
     courses = frappe.get_all("LMS Course",
                                 filters={"is_published": True},
-                                fields=["name", "upcoming", "title", "image"])
+                                fields=["name", "upcoming", "title", "image", "enable_certification"])
 
     live_courses, upcoming_courses = [], []
     for course in courses:
diff --git a/school/www/profiles/profile.html b/school/www/profiles/profile.html
index fe67586e..c4d16556 100644
--- a/school/www/profiles/profile.html
+++ b/school/www/profiles/profile.html
@@ -29,7 +29,7 @@
   <div class="profile-info">
     <div class="profile-name-section">
       <div class="profile-name"> {{ member.full_name }} </div>
-      {% if member.get_authored_courses() | length %}
+      {% if get_authored_courses(member.name) | length %}
       <div class="creator-badge"> Creator </div>
       {% endif %}
       {% if member.looking_for_job %}
@@ -104,14 +104,16 @@
 
 
 {% macro CoursesCreated(member, read_only) %}
-{% if member.get_authored_courses() | length %}
+{% set authored_courses = get_authored_courses(member.name) %}
+{% if authored_courses | length %}
 <div class="profile-courses">
   <div class="course-home-headings">
     Courses Created
   </div>
   <div class="cards-parent">
-    {% for course in member.get_authored_courses() %}
-    {% set course_details = frappe.get_doc("LMS Course", course) %}
+    {% for course in authored_courses %}
+    {% set course_details = frappe.db.get_value("LMS Course", course,
+      ["name", "upcoming", "title", "image", "enable_certification"], as_dict=True) %}
     {{ widgets.CourseCard(course=course_details, read_only=read_only) }}
     {% endfor %}
   </div>
diff --git a/school/www/utils.py b/school/www/utils.py
index f7e7d273..5f490380 100644
--- a/school/www/utils.py
+++ b/school/www/utils.py
@@ -1,26 +1,27 @@
 import frappe
-from school.lms.models import Course
-from frappe.utils import flt
+from frappe.utils import flt, cint
+from school.lms.utils import slugify
+from school.lms.md import markdown_to_html
 
 def get_common_context(context):
     context.no_cache = 1
 
-    course_name = frappe.form_dict["course"]
     try:
         batch_name = frappe.form_dict["batch"]
     except KeyError:
         batch_name = None
 
-    course = frappe.get_doc("LMS Course", course_name)
+    course = frappe.db.get_value("LMS Course",
+        frappe.form_dict["course"], ["name", "title", "video_link"], as_dict=True)
     if not course:
         context.template = "www/404.html"
         return
     context.course = course
-    context.lessons = course.get_lessons()
-    membership = get_membership(course_name, frappe.session.user, batch_name)
+    context.lessons = get_lessons(course.name)
+    membership = get_membership(course.name, frappe.session.user, batch_name)
     context.membership = membership
     if membership:
-        batch = course.get_batch(membership.batch)
+        batch = get_batch(course.name, membership.batch)
 
         if batch:
             context.batch = batch
@@ -32,7 +33,7 @@ def get_livecode_url():
     return frappe.db.get_single_value("LMS Settings", "livecode_url")
 
 def redirect_to_lesson(course, index_="1.1"):
-    frappe.local.flags.redirect_location = course.get_learn_url(index_) + course.query_parameter
+    frappe.local.flags.redirect_location = get_lesson_url(course.name, index_) + course.query_parameter
     raise frappe.Redirect
 
 def get_membership(course, member, batch=None):
@@ -55,16 +56,18 @@ def get_membership(course, member, batch=None):
 def get_chapters(course):
     """Returns all chapters of this course.
     """
-    chapters = frappe.get_all("Course Chapter",
-        { "course": course },
-        ["name", "title", "description", "idx"])
+    chapters = frappe.get_all("Chapter Reference", {"parent": course},
+        ["idx", "chapter"], order_by="idx")
+    for chapter in chapters:
+        chapter_details = frappe.db.get_value("Course Chapter", { "name": chapter.chapter },
+            ["name", "title", "description"], as_dict=True)
+        chapter.update(chapter_details)
     return chapters
 
 def get_lessons(course, chapter=None):
     """ If chapter is passed, returns lessons of only that chapter.
     Else returns lessons of all chapters of the course """
     lessons = []
-
     if chapter:
         return get_lesson_details(chapter)
 
@@ -82,7 +85,8 @@ def get_lesson_details(chapter):
         order_by="idx")
 
     for row in lesson_list:
-        lesson_details = frappe.db.get_value("Course Lesson", row.lesson, "name", as_dict=True)
+        lesson_details = frappe.db.get_value("Course Lesson", row.lesson,
+            ["name", "title", "include_in_preview", "body"], as_dict=True)
         lesson_details.number = flt("{}.{}".format(chapter.idx, row.idx))
         lessons.append(lesson_details)
     return lessons
@@ -91,11 +95,171 @@ def get_tags(course):
     tags = frappe.db.get_value("LMS Course", course, "tags")
     return tags.split(",") if tags else []
 
-def get_instructors(self):
-        instructors = []
-        if self.instructors:
-            for instructor in self.instructors:
-                instructors.append(frappe.get_doc("User", instructor.instructor))
-        else:
-            instructors.append(frappe.get_doc("User", self.owner))
-        return instructors
+def get_instructors(course):
+    instructor_details = []
+    instructors = frappe.get_all("Course Instructor", {"parent": course},
+        ["instructor"], order_by="idx")
+    if not instructors:
+        instructors = frappe.db.get_value("LMS Course", course, "owner").split(" ")
+    for instructor in instructors:
+        instructor_details.append(frappe.db.get_value("User",
+            instructor.instructor,
+            ["name", "username", "full_name", "user_image"],
+            as_dict=True))
+    return instructor_details
+
+def get_students(course, batch=None):
+    """Returns (email, full_name, username) of all the students of this batch as a list of dict.
+    """
+    filters = {
+        "course": course,
+        "member_type": "Student"
+    }
+    if batch:
+        filters["batch"] = batch
+    return frappe.get_all(
+        "LMS Batch Membership",
+        filters,
+        ["member"])
+
+def get_average_rating(course):
+    ratings = [review.rating for review in get_reviews(course)]
+    if not len(ratings):
+        return None
+    return sum(ratings)/len(ratings)
+
+def get_reviews(course):
+    reviews = frappe.get_all("LMS Course Review",
+                {
+                    "course": course
+                },
+                ["review", "rating", "owner"],
+                order_by= "creation desc")
+    out_of_ratings = frappe.db.get_all("DocField",
+        {
+            "parent": "LMS Course Review",
+            "fieldtype": "Rating"
+        },
+        ["options"])
+    out_of_ratings = (len(out_of_ratings) and out_of_ratings[0].options) or 5
+    for review in reviews:
+        review.rating = review.rating * out_of_ratings
+        review.owner_details = frappe.db.get_value("User",
+            review.owner, ["name", "username", "full_name", "user_image"], as_dict=True)
+
+    return reviews
+
+def is_certified(course):
+    certificate = frappe.get_all("LMS Certification",
+                    {
+                        "student": frappe.session.user,
+                        "course": course
+                    })
+    if len(certificate):
+        return certificate[0].name
+    return
+
+def get_lesson_index(lesson_name):
+    """Returns the {chapter_index}.{lesson_index} for the lesson.
+    """
+    lesson = frappe.db.get_value("Lesson Reference",
+        {"lesson": lesson_name}, ["idx", "parent"], as_dict=True)
+    if not lesson:
+        return None
+
+    chapter = frappe.db.get_value("Chapter Reference",
+        {"chapter": lesson.parent}, ["idx"], as_dict=True)
+    if not chapter:
+        return None
+
+    return f"{chapter.idx}.{lesson.idx}"
+
+def get_lesson_url(course, lesson_number):
+    if not lesson_number:
+        return
+    return f"/courses/{course}/learn/{lesson_number}"
+
+def get_batch(course, batch_name):
+    return frappe.get_all("LMS Batch", {"name": batch_name, "course": course})
+
+def get_slugified_chapter_title(chapter):
+    return slugify(chapter)
+
+def get_progress(course, lesson):
+    return frappe.db.get_value("LMS Course Progress", {
+            "course": course,
+            "owner": frappe.session.user,
+            "lesson": lesson
+        },
+        ["status"])
+
+def render_html(body):
+    return markdown_to_html(body)
+
+def is_mentor(course, email):
+    """Checks if given user is a mentor for this course.
+    """
+    if not email:
+        return False
+    return frappe.db.count("LMS Course Mentor Mapping",
+        {
+            "course": course,
+            "mentor": email
+        })
+
+def is_cohort_staff(course, user_email):
+    """Returns True if the user is either a mentor or a staff for one or more active cohorts of this course.
+    """
+    staff = {
+        "doctype": "Cohort Staff",
+        "course": course,
+        "email": user_email
+    }
+    mentor = {
+        "doctype": "Cohort Mentor",
+        "course": course,
+        "email": user_email
+    }
+    return frappe.db.exists(staff) or frappe.db.exists(mentor)
+
+def get_mentors(course):
+    """Returns the list of all mentors for this course.
+    """
+    course_mentors = []
+    mentors = frappe.get_all("LMS Course Mentor Mapping", {"course": course}, ["mentor"])
+    for mentor in mentors:
+        member = frappe.db.get_value("User", mentor.mentor,
+            ["name", "username", "full_name", "user_image"])
+        member.batch_count = frappe.db.count("LMS Batch Membership",
+                                {
+                                    "member": member.name,
+                                    "member_type": "Mentor"
+                                })
+        course_mentors.append(member)
+    return course_mentors
+
+def is_eligible_to_review(course, membership):
+    """ Checks if user is eligible to review the course """
+    if not membership:
+        return False
+    if frappe.db.count("LMS Course Review",
+            {
+                "course": course,
+                "owner": frappe.session.user
+            }):
+        return False
+    return True
+
+def get_course_progress(course, member=None):
+    """ Returns the course progress of the session user """
+    lesson_count = len(get_lessons(course))
+    if not lesson_count:
+        return 0
+    completed_lessons = frappe.db.count("LMS Course Progress",
+                            {
+                                "course": course,
+                                "owner": member or frappe.session.user,
+                                "status": "Complete"
+                            })
+    precision = cint(frappe.db.get_default("float_precision")) or 3
+    return flt(((completed_lessons/lesson_count) * 100), precision)