diff --git a/app/models/class_member.rb b/app/models/class_member.rb
index 8beecb849..c54fb41e4 100644
--- a/app/models/class_member.rb
+++ b/app/models/class_member.rb
@@ -12,6 +12,12 @@ class ClassMember < ApplicationRecord
 
   validate :student_has_the_school_student_role_for_the_school
 
+  has_paper_trail(
+    meta: {
+      meta_school_id: ->(cm) { cm.school_class&.school_id }
+    }
+  )
+
   private
 
   def student_has_the_school_student_role_for_the_school