diff --git a/src/course-outline/CourseOutline.jsx b/src/course-outline/CourseOutline.jsx
index f72ec3bdba..c3e51c9535 100644
--- a/src/course-outline/CourseOutline.jsx
+++ b/src/course-outline/CourseOutline.jsx
@@ -57,6 +57,7 @@ const CourseOutline = ({ courseId }) => {
     handlePublishSectionSubmit,
     handleEditSectionSubmit,
     handleDeleteSectionSubmit,
+    handleDuplicateSectionSubmit,
   } = useCourseOutline({ courseId });
 
   if (isLoading) {
@@ -123,6 +124,7 @@ const CourseOutline = ({ courseId }) => {
                           onOpenPublishModal={openPublishModal}
                           onOpenDeleteModal={openDeleteModal}
                           onEditSectionSubmit={handleEditSectionSubmit}
+                          onDuplicateSubmit={handleDuplicateSectionSubmit}
                           // TODO add handler in Add new subsection feature
                           onClickNewSubsection={() => ({})}
                         />
diff --git a/src/course-outline/CourseOutline.test.jsx b/src/course-outline/CourseOutline.test.jsx
index 7475b53947..766cc3854c 100644
--- a/src/course-outline/CourseOutline.test.jsx
+++ b/src/course-outline/CourseOutline.test.jsx
@@ -14,11 +14,13 @@ import {
   getCourseLaunchApiUrl,
   getCourseOutlineIndexApiUrl,
   getCourseReindexApiUrl,
+  getCourseSectionDuplicateApiUrl,
   getEnableHighlightsEmailsApiUrl,
   getUpdateCourseSectionApiUrl,
 } from './data/api';
 import {
   deleteCourseSectionQuery,
+  duplicateCourseSectionQuery,
   editCourseSectionQuery,
   enableCourseHighlightsEmailsQuery,
   fetchCourseBestPracticesQuery,
@@ -208,4 +210,26 @@ describe('<CourseOutline />', () => {
       expect(queryByText(section.displayName)).not.toBeInTheDocument();
     });
   });
+
+  it('check duplicate section when duplicate query is successfully', async () => {
+    axiosMock
+      .onGet(getCourseOutlineIndexApiUrl(courseId))
+      .reply(200, courseOutlineIndexMock);
+
+    const { getAllByTestId } = render(<RootWrapper />);
+    const section = courseOutlineIndexMock.courseStructure.childInfo.children[0];
+    const courseBlockId = courseOutlineIndexMock.courseStructure.id;
+
+    axiosMock
+      .onPost(getCourseSectionDuplicateApiUrl())
+      .reply(200, {
+        duplicate_source_locator: section.id,
+        parent_locator: courseBlockId,
+      });
+    await executeThunk(duplicateCourseSectionQuery(section.id, courseBlockId), store.dispatch);
+
+    await waitFor(() => {
+      expect(getAllByTestId('section-card')).toHaveLength(4);
+    });
+  });
 });
diff --git a/src/course-outline/card-header/CardHeader.jsx b/src/course-outline/card-header/CardHeader.jsx
index 79a6b9e14b..b8a61a44e1 100644
--- a/src/course-outline/card-header/CardHeader.jsx
+++ b/src/course-outline/card-header/CardHeader.jsx
@@ -36,6 +36,7 @@ const CardHeader = ({
   closeForm,
   isDisabledEditField,
   onClickDelete,
+  onClickDuplicate,
 }) => {
   const intl = useIntl();
   const [titleValue, setTitleValue] = useState(title);
@@ -136,7 +137,7 @@ const CardHeader = ({
               {intl.formatMessage(messages.menuPublish)}
             </Dropdown.Item>
             <Dropdown.Item>{intl.formatMessage(messages.menuConfigure)}</Dropdown.Item>
-            <Dropdown.Item>{intl.formatMessage(messages.menuDuplicate)}</Dropdown.Item>
+            <Dropdown.Item onClick={onClickDuplicate}>{intl.formatMessage(messages.menuDuplicate)}</Dropdown.Item>
             <Dropdown.Item onClick={onClickDelete}>{intl.formatMessage(messages.menuDelete)}</Dropdown.Item>
           </Dropdown.Menu>
         </Dropdown>
@@ -158,6 +159,7 @@ CardHeader.propTypes = {
   closeForm: PropTypes.func.isRequired,
   isDisabledEditField: PropTypes.bool.isRequired,
   onClickDelete: PropTypes.func.isRequired,
+  onClickDuplicate: PropTypes.func.isRequired,
 };
 
 export default CardHeader;
diff --git a/src/course-outline/card-header/CardHeader.test.jsx b/src/course-outline/card-header/CardHeader.test.jsx
index 253517da03..f723378cd4 100644
--- a/src/course-outline/card-header/CardHeader.test.jsx
+++ b/src/course-outline/card-header/CardHeader.test.jsx
@@ -11,6 +11,7 @@ const onClickMenuButtonMock = jest.fn();
 const onClickPublishMock = jest.fn();
 const onClickEditMock = jest.fn();
 const onClickDeleteMock = jest.fn();
+const onClickDuplicateMock = jest.fn();
 
 const cardHeaderProps = {
   title: 'Some title',
@@ -25,6 +26,7 @@ const cardHeaderProps = {
   closeForm: jest.fn(),
   isDisabledEditField: false,
   onClickDelete: onClickDeleteMock,
+  onClickDuplicate: onClickDuplicateMock,
 };
 
 const renderComponent = (props) => render(
@@ -166,4 +168,15 @@ describe('<CardHeader />', () => {
     fireEvent.click(deleteMenuItem);
     expect(onClickDeleteMock).toHaveBeenCalledTimes(1);
   });
+
+  it('calls onClickDuplicate when item is clicked', () => {
+    const { getByText, getByTestId } = renderComponent();
+
+    const menuButton = getByTestId('section-card-header__menu-button');
+    fireEvent.click(menuButton);
+
+    const duplicateMenuItem = getByText(messages.menuDuplicate.defaultMessage);
+    fireEvent.click(duplicateMenuItem);
+    expect(onClickDuplicateMock).toHaveBeenCalled();
+  });
 });
diff --git a/src/course-outline/data/api.js b/src/course-outline/data/api.js
index 55bf956a45..aea962b135 100644
--- a/src/course-outline/data/api.js
+++ b/src/course-outline/data/api.js
@@ -25,6 +25,9 @@ export const getEnableHighlightsEmailsApiUrl = (courseId) => {
 };
 
 export const getCourseReindexApiUrl = (reindexLink) => `${getApiBaseUrl()}${reindexLink}`;
+export const getUpdateCourseSectionApiUrl = (sectionId) => `${getApiBaseUrl()}/xblock/${sectionId}`;
+export const getCourseSectionApiUrl = (sectionId) => `${getApiBaseUrl()}/xblock/outline/${sectionId}`;
+export const getCourseSectionDuplicateApiUrl = () => `${getApiBaseUrl()}/xblock/`;
 
 /**
  * Get course outline index.
@@ -148,3 +151,19 @@ export async function deleteCourseSection(sectionId) {
 
   return data;
 }
+
+/**
+ * Duplicate course section
+ * @param {string} sectionId
+ * @param {string} courseBlockId
+ * @returns {Promise<Object>}
+ */
+export async function duplicateCourseSection(sectionId, courseBlockId) {
+  const { data } = await getAuthenticatedHttpClient()
+    .post(getCourseSectionDuplicateApiUrl(), {
+      duplicate_source_locator: sectionId,
+      parent_locator: courseBlockId,
+    });
+
+  return data;
+}
diff --git a/src/course-outline/data/slice.js b/src/course-outline/data/slice.js
index 9f2c0f18f9..036e8ae3b6 100644
--- a/src/course-outline/data/slice.js
+++ b/src/course-outline/data/slice.js
@@ -70,6 +70,14 @@ const slice = createSlice({
     deleteSection: (state, { payload }) => {
       state.sectionsList = state.sectionsList.filter(({ id }) => id !== payload);
     },
+    duplicateSection: (state, { payload }) => {
+      state.sectionsList = state.sectionsList.reduce((result, currentValue) => {
+        if (currentValue.id === payload.id) {
+          return [...result, currentValue, payload.duplicatedSection];
+        }
+        return [...result, currentValue];
+      }, []);
+    },
   },
 });
 
@@ -84,6 +92,7 @@ export const {
   updateSectionList,
   setCurrentSection,
   deleteSection,
+  duplicateSection,
 } = slice.actions;
 
 export const {
diff --git a/src/course-outline/data/thunk.js b/src/course-outline/data/thunk.js
index 32136cb306..dde828cbb7 100644
--- a/src/course-outline/data/thunk.js
+++ b/src/course-outline/data/thunk.js
@@ -12,6 +12,7 @@ import {
 } from '../utils/getChecklistForStatusBar';
 import {
   deleteCourseSection,
+  duplicateCourseSection,
   editCourseSection,
   enableCourseHighlightsEmails,
   getCourseBestPractices,
@@ -31,6 +32,7 @@ import {
   updateSectionList,
   updateFetchSectionLoadingStatus,
   deleteSection,
+  duplicateSection,
 } from './slice';
 
 export function fetchCourseOutlineIndexQuery(courseId) {
@@ -219,3 +221,27 @@ export function deleteCourseSectionQuery(sectionId) {
     }
   };
 }
+
+export function duplicateCourseSectionQuery(sectionId, courseBlockId) {
+  return async (dispatch) => {
+    dispatch(updateSavingStatus({ status: RequestStatus.PENDING }));
+    dispatch(showProcessingNotification(NOTIFICATION_MESSAGES.saving));
+
+    try {
+      await duplicateCourseSection(sectionId, courseBlockId).then(async (result) => {
+        if (result) {
+          const duplicatedSection = await getCourseSection(result.locator);
+          dispatch(duplicateSection({ id: sectionId, duplicatedSection }));
+          dispatch(hideProcessingNotification());
+          dispatch(updateSavingStatus({ status: RequestStatus.SUCCESSFUL }));
+        }
+      });
+
+      return true;
+    } catch (error) {
+      dispatch(hideProcessingNotification());
+      dispatch(updateSavingStatus({ status: RequestStatus.FAILED }));
+      return false;
+    }
+  };
+}
diff --git a/src/course-outline/hooks.jsx b/src/course-outline/hooks.jsx
index b85a41587a..a51b0735e4 100644
--- a/src/course-outline/hooks.jsx
+++ b/src/course-outline/hooks.jsx
@@ -15,6 +15,7 @@ import {
 import {
   // deleteCourseSectionQuery,
   editCourseSectionQuery,
+  duplicateCourseSectionQuery,
   enableCourseHighlightsEmailsQuery,
   fetchCourseBestPracticesQuery,
   fetchCourseLaunchQuery,
@@ -82,6 +83,10 @@ const useCourseOutline = ({ courseId }) => {
     closeDeleteModal();
   };
 
+  const handleDuplicateSectionSubmit = () => {
+    dispatch(duplicateCourseSectionQuery(currentSection.id, courseStructure.id));
+  };
+
   useEffect(() => {
     dispatch(fetchCourseOutlineIndexQuery(courseId));
     dispatch(fetchCourseBestPracticesQuery({ courseId }));
@@ -127,6 +132,7 @@ const useCourseOutline = ({ courseId }) => {
     closeDeleteModal,
     openDeleteModal,
     handleDeleteSectionSubmit,
+    handleDuplicateSectionSubmit,
   };
 };
 
diff --git a/src/course-outline/section-card/SectionCard.jsx b/src/course-outline/section-card/SectionCard.jsx
index b66cd1cc89..f0ac6d8ea1 100644
--- a/src/course-outline/section-card/SectionCard.jsx
+++ b/src/course-outline/section-card/SectionCard.jsx
@@ -17,6 +17,7 @@ const SectionCard = ({
   onEditSectionSubmit,
   savingStatus,
   onOpenDeleteModal,
+  onDuplicateSubmit,
 }) => {
   const intl = useIntl();
   const [isExpanded, setIsExpanded] = useState(true);
@@ -63,7 +64,7 @@ const SectionCard = ({
   }, [savingStatus]);
 
   return (
-    <div className="section-card">
+    <div className="section-card" data-testid="section-card">
       <CardHeader
         sectionId={id}
         title={displayName}
@@ -78,6 +79,7 @@ const SectionCard = ({
         closeForm={closeForm}
         onEditSubmit={handleEditSubmit}
         isDisabledEditField={savingStatus === RequestStatus.IN_PROGRESS}
+        onClickDuplicate={onDuplicateSubmit}
       />
       <div className="section-card__content" data-testid="section-card__content">
         <div className="outline-section__status">
@@ -126,6 +128,7 @@ SectionCard.propTypes = {
   onEditSectionSubmit: PropTypes.func.isRequired,
   savingStatus: PropTypes.string.isRequired,
   onOpenDeleteModal: PropTypes.func.isRequired,
+  onDuplicateSubmit: PropTypes.func.isRequired,
 };
 
 export default SectionCard;
diff --git a/src/course-outline/section-card/SectionCard.test.jsx b/src/course-outline/section-card/SectionCard.test.jsx
index ad9c0bc298..b02b11ea5d 100644
--- a/src/course-outline/section-card/SectionCard.test.jsx
+++ b/src/course-outline/section-card/SectionCard.test.jsx
@@ -39,6 +39,7 @@ const renderComponent = (props) => render(
         onEditClick={jest.fn()}
         savingStatus=""
         onEditSectionSubmit={jest.fn()}
+        onDuplicateSubmit={jest.fn()}
         {...props}
       >
         <span>children</span>