diff --git a/Changelog.md b/Changelog.md
index d7a2fd8c44..93819d8fae 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -8,6 +8,7 @@
 - Improved layout and labeling in the assignment settings form for both standard and timed assessments. (#7531)
 - Design improvement of tables when the data is empty. (#7557)
 - Improved Assignment view for students (#7533)
+- Added average annotations section in Assignment Summary (#7559)
 - Maintain font size in grading view (#7525)
 - Replaced assignment summary statistics in the "Status" column on the instructor Assignments page with a link to the grades page. (#7560)
 - Renamed the "Summary" sub-tab label to "Grades" in the Assignment interface. (#7560)
diff --git a/app/controllers/assignments_controller.rb b/app/controllers/assignments_controller.rb
index 6920e66106..f1b1e36cec 100644
--- a/app/controllers/assignments_controller.rb
+++ b/app/controllers/assignments_controller.rb
@@ -349,6 +349,7 @@ def grade_distribution
     summary = {
       name: "#{assignment.short_identifier}: #{assignment.description}",
       average: assignment.results_average(points: true) || 0,
+      average_annotations: assignment.average_annotations,
       median: assignment.results_median(points: true) || 0,
       max_mark: assignment.max_mark || 0,
       standard_deviation: assignment.results_standard_deviation || 0,
diff --git a/app/javascript/Components/assignment_chart.jsx b/app/javascript/Components/assignment_chart.jsx
index f3d2eedfb2..39d1a4c165 100644
--- a/app/javascript/Components/assignment_chart.jsx
+++ b/app/javascript/Components/assignment_chart.jsx
@@ -11,6 +11,7 @@ export class AssignmentChart extends React.Component {
     this.state = {
       summary: {
         average: null,
+        average_annotations: null,
         median: null,
         num_submissions_collected: null,
         num_submissions_graded: null,
@@ -187,6 +188,28 @@ export class AssignmentChart extends React.Component {
         );
       }
 
+      let annotation_summary = (
+        <div className="distribution-graph">
+          <h3>{I18n.t("assignments.annotation_summary")}</h3>
+          <p>
+            {I18n.t("assignments.average_annotations", {
+              average_annotations: this.state.summary.average_annotations || 0,
+            })}
+          </p>
+          <p>
+            {I18n.t("assignments.average_annotations_detail_descriptor")}{" "}
+            <a
+              href={Routes.course_assignment_annotation_categories_path(
+                this.props.course_id,
+                this.props.assessment_id
+              )}
+            >
+              {I18n.t("activerecord.models.annotation.other")}
+            </a>
+          </p>
+        </div>
+      );
+
       return (
         <React.Fragment>
           <h2>
@@ -227,6 +250,7 @@ export class AssignmentChart extends React.Component {
           />
           {criteria_graph}
           {ta_grade_distribution_chart}
+          {annotation_summary}
         </React.Fragment>
       );
     }
diff --git a/config/locales/views/assignments/en.yml b/config/locales/views/assignments/en.yml
index 16844bbb46..998e94f316 100644
--- a/config/locales/views/assignments/en.yml
+++ b/config/locales/views/assignments/en.yml
@@ -1,8 +1,11 @@
 ---
 en:
   assignments:
+    annotation_summary: Annotation Summary
     assignment_has_groupings: Assignment has groupings.
     assignment_information: Assignment information
+    average_annotations: "%{average_annotations} annotations per marked submission"
+    average_annotations_detail_descriptor: For detailed information, see
     configuration_zip_file: Configuration Zip File
     deadline_with_extension: You have an extension until %{extension_deadline}.
     deletion_confirmation: Are you sure you want to delete this assignment?
diff --git a/spec/controllers/assignments_controller_spec.rb b/spec/controllers/assignments_controller_spec.rb
index 08028af555..0304204ee6 100644
--- a/spec/controllers/assignments_controller_spec.rb
+++ b/spec/controllers/assignments_controller_spec.rb
@@ -1305,6 +1305,7 @@
       it 'should contain the right keys' do
         keys = response.parsed_body['summary'].keys
         expect(keys).to contain_exactly('name',
+                                        'average_annotations',
                                         'average',
                                         'median',
                                         'max_mark',
@@ -1325,6 +1326,7 @@
         summary = response.parsed_body['summary']
         assignment_remark_requests = assignment.groupings.joins(current_submission_used: :submitted_remark)
         expected = { name: "#{assignment.short_identifier}: #{assignment.description}",
+                     average_annotations: assignment.average_annotations,
                      average: assignment.results_average(points: true) || 0,
                      median: assignment.results_median(points: true) || 0,
                      max_mark: assignment.max_mark || 0,