diff --git a/app/models/student_response_rate_calculator.rb b/app/models/student_response_rate_calculator.rb
index 7c8626ab..342327fb 100644
--- a/app/models/student_response_rate_calculator.rb
+++ b/app/models/student_response_rate_calculator.rb
@@ -15,7 +15,7 @@ class StudentResponseRateCalculator < ResponseRateCalculator
         next nil
       end
 
-      actual_response_count_for_grade / count_of_survey_items_with_sufficient_responses / num_of_students_in_grade * 100
+      cap_at_one_hundred(actual_response_count_for_grade / count_of_survey_items_with_sufficient_responses / num_of_students_in_grade * 100)
     end.compact
   end