diff --git a/school/lms/doctype/cohort/cohort.py b/school/lms/doctype/cohort/cohort.py
index 91ba2004..1a7a3025 100644
--- a/school/lms/doctype/cohort/cohort.py
+++ b/school/lms/doctype/cohort/cohort.py
@@ -5,6 +5,9 @@ import frappe
 from frappe.model.document import Document
 
 class Cohort(Document):
+    def get_url(self):
+        return f"{frappe.utils.get_url()}/courses/{self.course}/cohorts/{self.slug}"
+
     def get_subgroups(self, include_counts=False):
         names = frappe.get_all("Cohort Subgroup", filters={"cohort": self.name}, pluck="name")
         subgroups = [frappe.get_doc("Cohort Subgroup", name) for name in names]
diff --git a/school/lms/doctype/cohort_mentor/cohort_mentor.py b/school/lms/doctype/cohort_mentor/cohort_mentor.py
index a385819c..71bf9c4b 100644
--- a/school/lms/doctype/cohort_mentor/cohort_mentor.py
+++ b/school/lms/doctype/cohort_mentor/cohort_mentor.py
@@ -1,8 +1,12 @@
 # Copyright (c) 2021, FOSS United and contributors
 # For license information, please see license.txt
 
-# import frappe
+import frappe
 from frappe.model.document import Document
 
 class CohortMentor(Document):
-	pass
+    def get_subgroup(self):
+        return frappe.get_doc("Cohort Subgroup", self.subgroup)
+
+    def get_user(self):
+        return frappe.get_doc("User", self.email)
diff --git a/school/lms/doctype/cohort_subgroup/cohort_subgroup.py b/school/lms/doctype/cohort_subgroup/cohort_subgroup.py
index aa675206..68550bd0 100644
--- a/school/lms/doctype/cohort_subgroup/cohort_subgroup.py
+++ b/school/lms/doctype/cohort_subgroup/cohort_subgroup.py
@@ -10,6 +10,10 @@ class CohortSubgroup(Document):
         if not self.invite_code:
             self.invite_code = random_string(8)
 
+    def get_url(self):
+        cohort = frappe.get_doc("Cohort", self.cohort)
+        return f"{frappe.utils.get_url()}/courses/{self.course}/subgroups/{cohort.slug}/{self.slug}"
+
     def get_invite_link(self):
         cohort = frappe.get_doc("Cohort", self.cohort)
         return f"{frappe.utils.get_url()}/courses/{self.course}/join/{cohort.slug}/{self.slug}/{self.invite_code}"