diff --git a/lms/djangoapps/grades/models.py b/lms/djangoapps/grades/models.py
index a0e398976d..7644334655 100644
--- a/lms/djangoapps/grades/models.py
+++ b/lms/djangoapps/grades/models.py
@@ -436,6 +436,13 @@ class PersistentSubsectionGrade(TimeStampedModel):
             usage_key=usage_key,
             defaults=params,
         )
+
+        # TODO: Remove as part of EDUCATOR-4602.
+        if str(usage_key.course_key) == 'course-v1:UQx+BUSLEAD5x+2T2019':
+            log.info(u'Created/updated grade ***{}*** for user ***{}*** in course ***{}***'
+                     u'for subsection ***{}*** with default params ***{}***'
+                     .format(grade, user_id, usage_key.course_key, usage_key, params))
+
         grade.override = PersistentSubsectionGradeOverride.get_override(user_id, usage_key)
         if first_attempted is not None and grade.first_attempted is None:
             grade.first_attempted = first_attempted
@@ -717,6 +724,12 @@ class PersistentSubsectionGradeOverride(models.Model):
         grade_defaults = cls._prepare_override_params(subsection_grade_model, override_data)
         grade_defaults['override_reason'] = override_data['comment'] if 'comment' in override_data else None
         grade_defaults['system'] = override_data['system'] if 'system' in override_data else None
+
+        # TODO: Remove as part of EDUCATOR-4602.
+        if str(subsection_grade_model.course_id) == 'course-v1:UQx+BUSLEAD5x+2T2019':
+            log.info(u'Creating override for user ***{}*** for PersistentSubsectionGrade'
+                     u'***{}*** with override data ***{}*** and derived grade_defaults ***{}***.'
+                     .format(requesting_user, subsection_grade_model, override_data, grade_defaults))
         override, _ = PersistentSubsectionGradeOverride.objects.update_or_create(
             grade=subsection_grade_model,
             defaults=grade_defaults,
diff --git a/lms/djangoapps/grades/rest_api/v1/gradebook_views.py b/lms/djangoapps/grades/rest_api/v1/gradebook_views.py
index 283db3d55c..1266172b0e 100644
--- a/lms/djangoapps/grades/rest_api/v1/gradebook_views.py
+++ b/lms/djangoapps/grades/rest_api/v1/gradebook_views.py
@@ -823,6 +823,11 @@ class GradebookBulkUpdateView(GradeViewMixin, PaginatedAPIView):
                 subsection = course.get_child(usage_key)
                 if subsection:
                     subsection_grade_model = self._create_subsection_grade(user, course, subsection)
+                    # TODO: Remove as part of EDUCATOR-4602.
+                    if str(course_key) == 'course-v1:UQx+BUSLEAD5x+2T2019':
+                        log.info(u'PersistentSubsectionGrade ***{}*** created for'
+                                 u' subsection ***{}*** in course ***{}*** for user ***{}***.'
+                                 .format(subsection_grade_model, subsection.location, course, user.id))
                 else:
                     self._log_update_result(request.user, requested_user_id, requested_usage_id, success=False)
                     result.append(GradebookUpdateResponseItem(
diff --git a/lms/djangoapps/grades/subsection_grade.py b/lms/djangoapps/grades/subsection_grade.py
index b6404ffbfd..e1c5de9a91 100644
--- a/lms/djangoapps/grades/subsection_grade.py
+++ b/lms/djangoapps/grades/subsection_grade.py
@@ -262,11 +262,23 @@ class CreateSubsectionGrade(NonZeroSubsectionGrade):
                 start_node=subsection.location,
         ):
             problem_score = self._compute_block_score(block_key, course_structure, submissions_scores, csm_scores)
+
+            # TODO: Remove as part of EDUCATOR-4602.
+            if str(block_key.course_key) == 'course-v1:UQx+BUSLEAD5x+2T2019':
+                log.info(u'Calculated problem score ***{}*** for block ***{!s}***'
+                         u' in subsection ***{}***.'
+                         .format(problem_score, block_key, subsection.location))
             if problem_score:
                 self.problem_scores[block_key] = problem_score
 
         all_total, graded_total = graders.aggregate_scores(list(self.problem_scores.values()))
 
+        # TODO: Remove as part of EDUCATOR-4602.
+        if str(subsection.location.course_key) == 'course-v1:UQx+BUSLEAD5x+2T2019':
+            log.info(u'Calculated aggregate all_total ***{}***'
+                     u' and grade_total ***{}*** for subsection ***{}***'
+                     .format(all_total, graded_total, subsection.location))
+
         super(CreateSubsectionGrade, self).__init__(subsection, all_total, graded_total)
 
     def update_or_create_model(self, student, score_deleted=False, force_update_subsections=False):
@@ -274,6 +286,11 @@ class CreateSubsectionGrade(NonZeroSubsectionGrade):
         Saves or updates the subsection grade in a persisted model.
         """
         if self._should_persist_per_attempted(score_deleted, force_update_subsections):
+            # TODO: Remove as part of EDUCATOR-4602.
+            if str(self.location.course_key) == 'course-v1:UQx+BUSLEAD5x+2T2019':
+                log.info(u'Updating PersistentSubsectionGrade for student ***{}*** in'
+                         u' subsection ***{}*** with params ***{}***.'
+                         .format(student.id, self.location, self._persisted_model_params(student)))
             model = PersistentSubsectionGrade.update_or_create_grade(**self._persisted_model_params(student))
 
             if hasattr(model, 'override'):