diff --git a/src/discussions/data/selectors.js b/src/discussions/data/selectors.js
index 3fab39e9e..5e0474d53 100644
--- a/src/discussions/data/selectors.js
+++ b/src/discussions/data/selectors.js
@@ -31,6 +31,8 @@ export const selectEnableInContext = state => state.config.enableInContext;
 
 export const selectIsPostingEnabled = state => state.config.isPostingEnabled;
 
+export const selectIsNotifyAllLearnersEnabled = state => state.config.isNotifyAllLearnersEnabled;
+
 export const selectModerationSettings = state => ({
   postCloseReasons: state.config.postCloseReasons,
   editReasons: state.config.editReasons,
diff --git a/src/discussions/posts/data/api.js b/src/discussions/posts/data/api.js
index 6b530adec..d0b927d7f 100644
--- a/src/discussions/posts/data/api.js
+++ b/src/discussions/posts/data/api.js
@@ -98,6 +98,7 @@ export const postThread = async (
     cohort,
     anonymous,
     anonymousToPeers,
+    notifyAllLearners,
   } = {},
   enableInContextSidebar = false,
 ) => {
@@ -112,6 +113,7 @@ export const postThread = async (
     anonymousToPeers,
     groupId: cohort,
     enableInContextSidebar,
+    notifyAllLearners,
   });
   const { data } = await getAuthenticatedHttpClient()
     .post(getThreadsApiUrl(), postData);
diff --git a/src/discussions/posts/data/thunks.js b/src/discussions/posts/data/thunks.js
index 7276dd1d3..561f1485c 100644
--- a/src/discussions/posts/data/thunks.js
+++ b/src/discussions/posts/data/thunks.js
@@ -204,6 +204,7 @@ export function createNewThread({
   anonymousToPeers,
   cohort,
   enableInContextSidebar,
+  notifyAllLearners,
 }) {
   return async (dispatch) => {
     try {
@@ -217,12 +218,14 @@ export function createNewThread({
         anonymous,
         anonymousToPeers,
         cohort,
+        notifyAllLearners,
       }));
       const data = await postThread(courseId, topicId, type, title, content, {
         cohort,
         following,
         anonymous,
         anonymousToPeers,
+        notifyAllLearners,
       }, enableInContextSidebar);
       dispatch(postThreadSuccess(camelCaseObject(data)));
     } catch (error) {
diff --git a/src/discussions/posts/post-editor/PostEditor.jsx b/src/discussions/posts/post-editor/PostEditor.jsx
index a2f57959c..f6713907e 100644
--- a/src/discussions/posts/post-editor/PostEditor.jsx
+++ b/src/discussions/posts/post-editor/PostEditor.jsx
@@ -29,6 +29,7 @@ import {
   selectAnonymousPostingConfig,
   selectDivisionSettings,
   selectEnableInContext,
+  selectIsNotifyAllLearnersEnabled,
   selectModerationSettings,
   selectUserHasModerationPrivileges,
   selectUserIsGroupTa,
@@ -79,6 +80,7 @@ const PostEditor = ({
   const userIsStaff = useSelector(selectUserIsStaff);
   const archivedTopics = useSelector(selectArchivedTopics);
   const postEditorId = `post-editor-${editExisting ? postId : 'new'}`;
+  const isNotifyAllLearnersEnabled = useSelector(selectIsNotifyAllLearnersEnabled);
 
   const canDisplayEditReason = (editExisting
     && (userHasModerationPrivileges || userIsGroupTa || userIsStaff)
@@ -108,6 +110,7 @@ const PostEditor = ({
     title: post?.title || '',
     comment: post?.rawBody || '',
     follow: isEmpty(post?.following) ? true : post?.following,
+    notifyAllLearners: false,
     anonymous: allowAnonymous ? false : undefined,
     anonymousToPeers: allowAnonymousToPeers ? false : undefined,
     cohort: post?.cohort || 'default',
@@ -161,6 +164,7 @@ const PostEditor = ({
         anonymousToPeers: allowAnonymousToPeers ? values.anonymousToPeers : undefined,
         cohort,
         enableInContextSidebar,
+        notifyAllLearners: values.notifyAllLearners,
       }));
     }
     /* istanbul ignore if: TinyMCE is mocked so this cannot be easily tested */
@@ -216,6 +220,8 @@ const PostEditor = ({
     anonymousToPeers: Yup.bool()
       .default(false)
       .nullable(),
+    notifyAllLearners: Yup.bool()
+      .default(false),
     cohort: Yup.string()
       .nullable()
       .default(null),
@@ -417,6 +423,21 @@ const PostEditor = ({
         <div className="d-flex flex-row mt-n4 w-75 text-primary font-style">
           {!editExisting && (
           <>
+            {isNotifyAllLearnersEnabled && (
+            <Form.Group>
+              <Form.Checkbox
+                name="notifyAllLearners"
+                checked={values.notifyAllLearners}
+                onChange={handleChange}
+                onBlur={handleBlur}
+                className="mr-4.5"
+              >
+                <span>
+                  {intl.formatMessage(messages.notifyAllLearners)}
+                </span>
+              </Form.Checkbox>
+            </Form.Group>
+            )}
             <Form.Group>
               <Form.Checkbox
                 name="follow"
diff --git a/src/discussions/posts/post-editor/PostEditor.test.jsx b/src/discussions/posts/post-editor/PostEditor.test.jsx
index d6c0e2409..5674d19cc 100644
--- a/src/discussions/posts/post-editor/PostEditor.test.jsx
+++ b/src/discussions/posts/post-editor/PostEditor.test.jsx
@@ -19,6 +19,8 @@ import { initializeStore } from '../../../store';
 import executeThunk from '../../../test-utils';
 import { getCohortsApiUrl } from '../../cohorts/data/api';
 import DiscussionContext from '../../common/context';
+import { getCourseConfigApiUrl } from '../../data/api';
+import fetchCourseConfig from '../../data/thunks';
 import fetchCourseTopics from '../../topics/data/thunks';
 import { getThreadsApiUrl } from '../data/api';
 import { fetchThread } from '../data/thunks';
@@ -31,6 +33,7 @@ import '../data/__factories__';
 
 const courseId = 'course-v1:edX+DemoX+Demo_Course';
 const topicsApiUrl = `${getApiBaseUrl()}/api/discussion/v1/course_topics/${courseId}`;
+const courseConfigApiUrl = getCourseConfigApiUrl();
 const threadsApiUrl = getThreadsApiUrl();
 let store;
 let axiosMock;
@@ -143,6 +146,42 @@ describe('PostEditor', () => {
     });
   });
 
+  describe.each([
+    {
+      isNotifyAllLearnersEnabled: true,
+      description: 'when "Notify All Learners" is enabled',
+    },
+    {
+      isNotifyAllLearnersEnabled: false,
+      description: 'when "Notify All Learners" is disabled',
+    },
+  ])('$description', ({ isNotifyAllLearnersEnabled }) => {
+    beforeEach(async () => {
+      store = initializeStore({
+        config: {
+          provider: 'legacy',
+          is_notify_all_learners_enabled: isNotifyAllLearnersEnabled,
+          moderationSettings: {},
+        },
+      });
+
+      axiosMock
+        .onGet(`${courseConfigApiUrl}${courseId}/`)
+        .reply(200, { is_notify_all_learners_enabled: isNotifyAllLearnersEnabled });
+
+      await store.dispatch(fetchCourseConfig(courseId));
+      renderComponent();
+    });
+
+    test(`should ${isNotifyAllLearnersEnabled ? 'show' : 'not show'} the "Notify All Learners" option`, async () => {
+      if (isNotifyAllLearnersEnabled) {
+        await waitFor(() => expect(screen.queryByText('Notify All Learners')).toBeInTheDocument());
+      } else {
+        await waitFor(() => expect(screen.queryByText('Notify All Learners')).not.toBeInTheDocument());
+      }
+    });
+  });
+
   describe('cohorting', () => {
     const dividedncw = ['ncw-topic-2'];
     const dividedcw = ['category-1-topic-2', 'category-2-topic-1', 'category-2-topic-2'];
diff --git a/src/discussions/posts/post-editor/messages.js b/src/discussions/posts/post-editor/messages.js
index e91781317..4ab0ca2a9 100644
--- a/src/discussions/posts/post-editor/messages.js
+++ b/src/discussions/posts/post-editor/messages.js
@@ -89,6 +89,10 @@ const messages = defineMessages({
     id: 'discussions.post.editor.anonymousToPeersPost',
     defaultMessage: 'Post anonymously to peers',
   },
+  notifyAllLearners: {
+    id: 'discussions.post.editor.notifyAllLearners',
+    defaultMessage: 'Notify All Learners',
+  },
   submit: {
     id: 'discussions.editor.submit',
     defaultMessage: 'Submit',