diff --git a/lms/djangoapps/instructor_task/tasks_helper.py b/lms/djangoapps/instructor_task/tasks_helper.py
index 8bfc8da9c1be72a4ad917192b648c2dabf6c7fe8..c29ce5f0fd7511b44b84db1453b5a51c842f9734 100644
--- a/lms/djangoapps/instructor_task/tasks_helper.py
+++ b/lms/djangoapps/instructor_task/tasks_helper.py
@@ -823,7 +823,7 @@ def upload_grades_csv(_xmodule_instance_args, _entry_id, course_id, _task_input,
                 try:
                     subsection_grade = course_grade.graded_subsections_by_format[assignment_type][subsection_location]
                 except KeyError:
-                    grade_results.append([u'Not Accessible'])
+                    grade_results.append([u'Not Available'])
                 else:
                     if subsection_grade.graded_total.attempted:
                         grade_results.append(
@@ -1001,7 +1001,7 @@ def upload_problem_grade_report(_xmodule_instance_args, _entry_id, course_id, _t
             try:
                 problem_score = course_grade.locations_to_scores[block_location]
             except KeyError:
-                earned_possible_values.append([u'Not Accessible', u'Not Accessible'])
+                earned_possible_values.append([u'Not Available', u'Not Available'])
             else:
                 if problem_score.attempted:
                     earned_possible_values.append([problem_score.earned, problem_score.possible])
diff --git a/lms/djangoapps/instructor_task/tests/test_integration.py b/lms/djangoapps/instructor_task/tests/test_integration.py
index 9feff9dd3a7427f4e967f1b67aca387f75b4c626..a24e8a9314aced3cf0bab2ae90cd2efff811bea4 100644
--- a/lms/djangoapps/instructor_task/tests/test_integration.py
+++ b/lms/djangoapps/instructor_task/tests/test_integration.py
@@ -646,7 +646,7 @@ class TestGradeReportConditionalContent(TestReportMixin, TestConditionalContent,
                     {
                         self.student_b: {
                             u'Grade': '0.0',
-                            u'Homework': u'Not Accessible',
+                            u'Homework': u'Not Available',
                         }
                     },
                 ],
diff --git a/lms/djangoapps/instructor_task/tests/test_tasks_helper.py b/lms/djangoapps/instructor_task/tests/test_tasks_helper.py
index 13fe952571781c2156eb015369eaf0915913a269..c72b67545456acf3f7f43d220342493c91d797d7 100644
--- a/lms/djangoapps/instructor_task/tests/test_tasks_helper.py
+++ b/lms/djangoapps/instructor_task/tests/test_tasks_helper.py
@@ -696,7 +696,7 @@ class TestProblemReportSplitTestContent(TestReportMixin, TestConditionalContent,
 
         In order to verify that the behavior of the grade report is correct, we submit answers for problems
         that the student won't have access to. A/B tests won't restrict access to the problems, but it should
-        not show up in that student's course tree when generating the grade report, hence the Not Accessible's
+        not show up in that student's course tree when generating the grade report, hence the Not Available's
         in the grade report.
         """
         # student A will get 100%, student B will get 50% because
@@ -726,7 +726,7 @@ class TestProblemReportSplitTestContent(TestReportMixin, TestConditionalContent,
                     unicode(self.student_a.id),
                     self.student_a.email,
                     self.student_a.username,
-                    u'1.0', u'2.0', u'2.0', u'Not Accessible', u'Not Accessible'
+                    u'1.0', u'2.0', u'2.0', u'Not Available', u'Not Available'
                 ]
             )),
             dict(zip(
@@ -734,7 +734,7 @@ class TestProblemReportSplitTestContent(TestReportMixin, TestConditionalContent,
                 [
                     unicode(self.student_b.id),
                     self.student_b.email,
-                    self.student_b.username, u'0.5', u'Not Accessible', u'Not Accessible', u'1.0', u'2.0'
+                    self.student_b.username, u'0.5', u'Not Available', u'Not Available', u'1.0', u'2.0'
                 ]
             ))
         ])
@@ -869,19 +869,19 @@ class TestProblemReportCohortedContent(TestReportMixin, ContentGroupTestCase, In
         user_grades = [
             {
                 'user': self.staff_user,
-                'grade': [u'0.0', u'Not Accessible', u'Not Accessible', u'Not Accessible', u'Not Accessible'],
+                'grade': [u'0.0', u'Not Available', u'Not Available', u'Not Available', u'Not Available'],
             },
             {
                 'user': self.alpha_user,
-                'grade': [u'1.0', u'2.0', u'2.0', u'Not Accessible', u'Not Accessible'],
+                'grade': [u'1.0', u'2.0', u'2.0', u'Not Available', u'Not Available'],
             },
             {
                 'user': self.beta_user,
-                'grade': [u'0.5', u'Not Accessible', u'Not Accessible', u'1.0', u'2.0'],
+                'grade': [u'0.5', u'Not Available', u'Not Available', u'1.0', u'2.0'],
             },
             {
                 'user': self.non_cohorted_user,
-                'grade': [u'0.0', u'Not Accessible', u'Not Accessible', u'Not Accessible', u'Not Accessible'],
+                'grade': [u'0.0', u'Not Available', u'Not Available', u'Not Available', u'Not Available'],
             },
         ]
 
@@ -1581,9 +1581,9 @@ class TestGradeReport(TestReportMixin, InstructorTaskModuleTestCase):
                         u'Username': self.student.username,
                         u'Grade': '0.13',
                         u'Homework 1: Subsection': '0.5',
-                        u'Homework 2: Hidden': u'Not Accessible',
+                        u'Homework 2: Hidden': u'Not Available',
                         u'Homework 3: Unattempted': u'Not Attempted',
-                        u'Homework 4: Empty': u'Not Accessible',
+                        u'Homework 4: Empty': u'Not Available',
                         u'Homework (Avg)': '0.125',
                     },
                 ],