diff --git a/app/jobs/organization_event_job.rb b/app/jobs/organization_event_job.rb
index 44d740d36f..dfa6fc1140 100644
--- a/app/jobs/organization_event_job.rb
+++ b/app/jobs/organization_event_job.rb
@@ -5,21 +5,31 @@ class OrganizationEventJob < ApplicationJob
   queue_as :github_event
 
   # rubocop:disable Metrics/AbcSize
+  # rubocop:disable Metrics/MethodLength
   def perform(payload_body)
     return true unless payload_body.dig("action") == "member_removed"
 
     github_user_id = payload_body.dig("membership", "user", "id")
     github_organization_id = payload_body.dig("organization", "id")
-    @organization = Organization.find_by(github_id: github_organization_id)
+    organizations = Organization.where(github_id: github_organization_id)
 
-    return false if @organization.blank?
-    return false if @organization.users.count == 1
+    return false if organizations.empty?
 
-    @user = @organization.users.find_by(uid: github_user_id)
+    failed_removals = organizations.reject do |org|
+      user = org.users.find_by(uid: github_user_id)
 
-    return true unless @user
-    TransferAssignmentsService.new(@organization, @user).transfer
-    @organization.users.delete(@user)
+      if user
+        TransferAssignmentsService.new(org, user).transfer
+        org.users.delete(user)
+      else
+        false
+      end
+    end
+
+    # This method should only report success (by returning true) if we were able to remove
+    # the user from all of the organizations tied to the given github_organization_id
+    failed_removals.empty?
   end
   # rubocop:enable Metrics/AbcSize
+  # rubocop:enable Metrics/MethodLength
 end
diff --git a/lib/tasks/remove_classroom_users_without_github_org_access.rake b/lib/tasks/remove_classroom_users_without_github_org_access.rake
new file mode 100644
index 0000000000..6e84d497a8
--- /dev/null
+++ b/lib/tasks/remove_classroom_users_without_github_org_access.rake
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+# Checks if classroom admins have access to the associated GitHub organization. If not
+# the admin is removed from the classroom
+task :remove_classroom_users_without_github_org_access do
+  User.find_in_batches(batch_size: 250).with_index do |group, batch|
+    puts "Processing batch ##{batch}"
+    group.each do |user|
+      github_org_ids = user.organizations.pluck(:github_id).uniq
+      next unless github_org_ids.any?
+
+      github_org_ids.each do |gh_id|
+        github_org = GitHubOrganization.new(user.github_client, gh_id)
+        next if github_org.admin?(user.github_login)
+
+        payload = {
+          "action": "member_removed",
+          "membership": { "user": { "id": user.github_user.id } },
+          "organization": { "id": gh_id }
+        }
+
+        puts "Removing #{user.github_login} from org with id ##{gh_id}"
+        OrganizationEventJob.perform_later(payload)
+      end
+    end
+  end
+end
diff --git a/spec/jobs/organization_event_job_spec.rb b/spec/jobs/organization_event_job_spec.rb
index cefbefd0ac..da95469e11 100644
--- a/spec/jobs/organization_event_job_spec.rb
+++ b/spec/jobs/organization_event_job_spec.rb
@@ -42,9 +42,23 @@
 
         OrganizationEventJob.perform_now(payload)
 
-        expect { @organization.users.find(uid: @user.uid) }.to raise_error(ActiveRecord::RecordNotFound)
+        expect(@organization.users).not_to include(@user)
         expect(assignment.reload.creator_id).not_to eq(@user.id)
       end
+
+      it "deletes user from multiple organizations (classrooms) mapped to the same GitHub organization" do
+        org2 = create(:organization, github_id: payload.dig("organization", "id"))
+        @user.organizations << org2
+        @user.save
+
+        expect(@organization.users).to include(@user)
+        expect(org2.users).to include(@user)
+
+        OrganizationEventJob.perform_now(payload)
+
+        expect(@organization.users).not_to include(@user)
+        expect(org2.users).not_to include(@user)
+      end
     end
   end
 end