diff --git a/data/models.py b/data/models.py
index 4d61bf8..a3269d8 100644
--- a/data/models.py
+++ b/data/models.py
@@ -2,6 +2,7 @@
 import json
 import logging
 import re
+import cProfile
 
 from django.conf import settings
 from django.core.exceptions import ValidationError, FieldError
@@ -120,7 +121,7 @@ def get_student(self, key_str):
         return student
 
     def __str__(self):
-        return "%s (%s)" % (self.name, self.created)
+        return "%s (%s) id:%s" % (self.name, self.created, self.key)
 
 
 class Exercise(models.Model):
@@ -222,13 +223,20 @@ def top_comparisons(self, rows):
         return sorted_unique_set
 
     def comparisons_for_student(self, student):
-        return self._comparisons_by_submission(
+        student_list = self._comparisons_by_submission(
             self.valid_matched_submissions\
                 .filter(student=student)\
                 .order_by("created")\
                 .values_list("id", flat=True)
         )
 
+        unique_set = set()
+
+        for student in student_list:
+            unique_set.update(student["matches"])
+
+        return unique_set
+
     def _comparisons_by_submission(self, submissions):
         comparisons = []
         for s_id in submissions:
diff --git a/review/templates/review/_comparisontable_new.html b/review/templates/review/_comparisontable_unique.html
similarity index 80%
rename from review/templates/review/_comparisontable_new.html
rename to review/templates/review/_comparisontable_unique.html
index 1e56f7e..9ed26b9 100644
--- a/review/templates/review/_comparisontable_new.html
+++ b/review/templates/review/_comparisontable_unique.html
@@ -2,7 +2,7 @@
 <table class="comparison">
 	<tr>
 		{% for comparison in comparisons %}
-			<td> {% student_td course comparison %}</td>
+			<td>{% student_td course comparison %}</td>
 			{% if forloop.counter|divisibleby:10 %}
 				</tr><tr>
 			{% endif %}
diff --git a/review/templates/review/comparison.html b/review/templates/review/comparison.html
index 09f25e3..4ebbb77 100644
--- a/review/templates/review/comparison.html
+++ b/review/templates/review/comparison.html
@@ -17,7 +17,7 @@
 
 <button type="button"><a href="{% url 'pair_view' course_key=course.key a_key=a.student.key b_key=b.student.key %}">See all comparisons for this pair of students</a></button>
 
-{% include 'review/_comparisontable.html' %}
+{% include 'review/_comparisontable_unique.html' %}
 
 <div class="code-comparison"{% if reverse %} data-reverse{% endif %}>
 	<p>Similarity: <b>{{ comparison.similarity|percent }}</b></p>
diff --git a/review/templates/review/exercise.html b/review/templates/review/exercise.html
index 688e034..ed05e26 100644
--- a/review/templates/review/exercise.html
+++ b/review/templates/review/exercise.html
@@ -16,7 +16,7 @@ <h4>Comparison pairs with highest similarity</h4>
 <a href="{% url 'exercise' course_key=exercise.course.key exercise_key=exercise.key %}?rows=100" class="btn btn-default btn-xs"}">
     Show 100 rows
 </a>
-{% include 'review/_comparisontable_new.html' %}
+{% include 'review/_comparisontable_unique.html' %}
 
 <pre id="js" class="well">
 Waiting for Javascript...