diff --git a/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee b/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
index 4ae1f9156a..68c1f17ef6 100644
--- a/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
+++ b/common/lib/xmodule/xmodule/js/src/combinedopenended/display.coffee
@@ -114,6 +114,8 @@ class @CombinedOpenEnded
   grader_status_sel: '.grader-status'
   info_rubric_elements_sel: '.rubric-elements-info'
   rubric_collapse_sel: '.rubric-collapse'
+  next_rubric_sel: '.rubric-next-button'
+  previous_rubric_sel: '.rubric-previous-button'
 
   constructor: (el) ->
     @el=el
@@ -240,6 +242,9 @@ class @CombinedOpenEnded
         @toggle_rubric("")
         @rubric_collapse = @$(@rubric_collapse_sel)
         @rubric_collapse.click @toggle_rubric
+        @hide_rubrics()
+        @$(@previous_rubric_sel).click @previous_rubric
+        @$(@next_rubric_sel).click @next_rubric
 
   show_status_current: () =>
     data = {}
@@ -569,6 +574,38 @@ class @CombinedOpenEnded
     @question_header.text(new_text)
     return false
 
+  hide_rubrics: () =>
+    rubrics = @$(@combined_rubric_sel)
+    for rub in rubrics
+      if @$(rub).data('status')=="shown"
+        @$(rub).show()
+      else
+        @$(rub).hide()
+
+  next_rubric: =>
+    @shift_rubric(1)
+    return false
+
+  previous_rubric: =>
+    @shift_rubric(-1)
+    return false
+
+  shift_rubric: (i) =>
+    rubrics = @$(@combined_rubric_sel)
+    number = 0
+    for rub in rubrics
+      if @$(rub).data('status')=="shown"
+        number = @$(rub).data('number')
+      @$(rub).data('status','hidden')
+    if i==1 and number < rubrics.length - 1
+      number = number + i
+
+    if i==-1 and number>0
+      number = number + i
+
+    @$(rubrics[number]).data('status', 'shown')
+    @hide_rubrics()
+
   prompt_show: () =>
     if @prompt_container.is(":hidden")==true
       @prompt_container.slideToggle()
diff --git a/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee b/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee
index 050d525a13..c02fa3f390 100644
--- a/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee
+++ b/common/lib/xmodule/xmodule/js/src/peergrading/peer_grading_problem.coffee
@@ -344,7 +344,11 @@ class @PeerGradingProblem
     if response.success
       @is_calibrated_check()
       @grading_message.fadeIn()
-      @grading_message.html("<p>Successfully saved your feedback. Fetched the next essay.</p>")
+      message = "<p>Successfully saved your feedback. Fetched the next essay."
+      if response.required_done
+        message = message + " You have completed the required number of gradings."
+      message = message + "</p>"
+      @grading_message.html(message)
     else
       if response.error
         @render_error(response.error)
@@ -482,7 +486,7 @@ class @PeerGradingProblem
 
     if response.actual_rubric != undefined
       calibration_wrapper.append("<div>Instructor Scored Rubric: #{response.actual_rubric}</div>")
-    if response.actual_feedback!=undefined
+    if response.actual_feedback.feedback!=undefined
       calibration_wrapper.append("<div>Instructor Feedback: #{response.actual_feedback}</div>")
 
     # disable score selection and submission from the grading interface
diff --git a/common/lib/xmodule/xmodule/open_ended_grading_classes/combined_open_ended_modulev1.py b/common/lib/xmodule/xmodule/open_ended_grading_classes/combined_open_ended_modulev1.py
index ae3d01c686..ad9d7a287f 100644
--- a/common/lib/xmodule/xmodule/open_ended_grading_classes/combined_open_ended_modulev1.py
+++ b/common/lib/xmodule/xmodule/open_ended_grading_classes/combined_open_ended_modulev1.py
@@ -506,22 +506,20 @@ class CombinedOpenEndedV1Module():
         for i in xrange(0, loop_up_to_task):
             response = self.get_last_response(i)
             rubric_scores = None
-            if len(response['rubric_scores']) > 0 and response['grader_types'][0] in HUMAN_GRADER_TYPE.keys():
-                rubric_scores = [response['rubric_scores']]
-            grader_types = None
-            if len(response['grader_types']) > 0 and response['grader_types'][0] in HUMAN_GRADER_TYPE.keys():
-                grader_types = [response['grader_types']]
-            feedback_items = None
-            if len(response['feedback_items']) > 0 and response['grader_types'][0] in HUMAN_GRADER_TYPE.keys():
-                feedback_items = [response['feedback_items']]
-            if feedback_items is not None and grader_types is not None and rubric_scores is not None:
-                rubric_html = self.rubric_renderer.render_combined_rubric(stringify_children(self.static_data['rubric']),
-                                                                      rubric_scores,
-                                                                      grader_types, feedback_items)
-                contexts.append({
-                    'result': rubric_html,
-                    'task_name': 'Scored rubric'
-                })
+            score_length = len(response['grader_types'])
+            log.info(response)
+            for z in xrange(0,score_length):
+                if response['grader_types'][z] in HUMAN_GRADER_TYPE.keys():
+                    rubric_scores = [[response['rubric_scores'][z]]]
+                    grader_types = [[response['grader_types'][z]]]
+                    feedback_items = [[response['feedback_items'][z]]]
+                    rubric_html = self.rubric_renderer.render_combined_rubric(stringify_children(self.static_data['rubric']),
+                                                                          rubric_scores,
+                                                                          grader_types, feedback_items)
+                    contexts.append({
+                        'result': rubric_html,
+                        'task_name': 'Scored rubric'
+                    })
 
         context = {
             'results': contexts,
diff --git a/common/lib/xmodule/xmodule/peer_grading_module.py b/common/lib/xmodule/xmodule/peer_grading_module.py
index 44114136aa..b21e4865ec 100644
--- a/common/lib/xmodule/xmodule/peer_grading_module.py
+++ b/common/lib/xmodule/xmodule/peer_grading_module.py
@@ -327,6 +327,11 @@ class PeerGradingModule(PeerGradingFields, XModule):
         try:
             response = self.peer_gs.save_grade(location, grader_id, submission_id,
                                                score, feedback, submission_key, rubric_scores, submission_flagged, answer_unknown)
+
+            success, location_data = self.query_data_for_location()
+            response.update({'required_done' : False})
+            if 'count_graded' in location_data and 'count_required' in location_data:
+                response['required_done'] = True
             return response
         except GradingServiceError:
             # This is a dev_facing_error
diff --git a/lms/templates/combinedopenended/combined_open_ended_results.html b/lms/templates/combinedopenended/combined_open_ended_results.html
index 125bab2444..688354ff4c 100644
--- a/lms/templates/combinedopenended/combined_open_ended_results.html
+++ b/lms/templates/combinedopenended/combined_open_ended_results.html
@@ -2,9 +2,9 @@
     % if 'task_name' in result and 'result' in result:
         <div class="combined-rubric-container"
         %if i>0:
-            status="shown">
+            data-status="hidden" data-number="${i}">
         % else:
-            status="hidden">
+            data-status="shown" data-number="${i}">
         % endif
             <div class="visibility-control visibility-control-rubric">
                 <div class="inner">