diff --git a/src/features/Classes/EnrollStudent/__test__/index.test.jsx b/src/features/Classes/EnrollStudent/__test__/index.test.jsx
index 4c42cb3..9941962 100644
--- a/src/features/Classes/EnrollStudent/__test__/index.test.jsx
+++ b/src/features/Classes/EnrollStudent/__test__/index.test.jsx
@@ -13,7 +13,8 @@ jest.mock('react-router-dom', () => ({
 }));
 
 jest.mock('features/Students/data/api', () => ({
-  handleEnrollments: jest.fn(() => Promise.resolve()),
+  handleEnrollments: jest.fn().mockReturnValue({}),
+  getMessages: jest.fn().mockReturnValue({}),
 }));
 
 jest.mock('@edx/frontend-platform/logging', () => ({
@@ -21,9 +22,13 @@ jest.mock('@edx/frontend-platform/logging', () => ({
 }));
 
 describe('EnrollStudent', () => {
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
   test('Should render with correct elements', () => {
     const { getByText, getByPlaceholderText } = renderWithProviders(
-      <EnrollStudent isOpen onClose={() => {}} />,
+      <EnrollStudent isOpen onClose={() => {}} queryClassId="ccx1" />,
       { preloadedState: {} },
     );
 
@@ -37,14 +42,14 @@ describe('EnrollStudent', () => {
     const onCloseMock = jest.fn();
 
     const { getByPlaceholderText, getByText } = renderWithProviders(
-      <EnrollStudent isOpen onClose={onCloseMock} />,
+      <EnrollStudent isOpen onClose={onCloseMock} queryClassId="ccx1" />,
       { preloadedState: {} },
     );
 
     const handleEnrollmentsMock = jest.spyOn(api, 'handleEnrollments').mockResolvedValue({
       data: {
         results: [{
-          tags: 'success',
+          identifier: 'test@example.com',
         }],
       },
     });
@@ -56,7 +61,7 @@ describe('EnrollStudent', () => {
     fireEvent.click(submitButton);
 
     await waitFor(() => {
-      expect(getByText('Email invite has been sent successfully')).toBeInTheDocument();
+      expect(getByText('Successfully enrolled and sent email to the following users: test@example.com')).toBeInTheDocument();
     });
 
     expect(handleEnrollmentsMock).toHaveBeenCalledTimes(1);
@@ -66,14 +71,14 @@ describe('EnrollStudent', () => {
   test('Should handle form submission and show error toast', async () => {
     const onCloseMock = jest.fn();
 
-    const handleEnrollmentsMock = jest.spyOn(api, 'handleEnrollments').mockResolvedValue({
+    const messagesApiMock = jest.spyOn(api, 'getMessages').mockResolvedValue({
       data: {
         results: [{ tags: 'error', message: 'Enrollment limit reached' }],
       },
     });
 
     const { getByPlaceholderText, getByText } = renderWithProviders(
-      <EnrollStudent isOpen onClose={onCloseMock} />,
+      <EnrollStudent isOpen onClose={onCloseMock} queryClassId="ccx1" />,
       { preloadedState: {} },
     );
 
@@ -87,8 +92,8 @@ describe('EnrollStudent', () => {
       expect(getByText('Enrollment limit reached')).toBeInTheDocument();
     });
 
-    expect(handleEnrollmentsMock).toHaveBeenCalledTimes(1);
+    expect(messagesApiMock).toHaveBeenCalledTimes(1);
 
-    handleEnrollmentsMock.mockRestore();
+    messagesApiMock.mockRestore();
   });
 });
diff --git a/src/features/Classes/EnrollStudent/index.jsx b/src/features/Classes/EnrollStudent/index.jsx
index 035bbab..a858926 100644
--- a/src/features/Classes/EnrollStudent/index.jsx
+++ b/src/features/Classes/EnrollStudent/index.jsx
@@ -15,7 +15,7 @@ import { Button } from 'react-paragon-topaz';
 import { logError } from '@edx/frontend-platform/logging';
 
 import { fetchStudentsData } from 'features/Students/data';
-import { handleEnrollments } from 'features/Students/data/api';
+import { handleEnrollments, getMessages } from 'features/Students/data/api';
 import { fetchAllClassesData } from 'features/Classes/data/thunks';
 import { initialPage } from 'features/constants';
 
@@ -47,20 +47,47 @@ const EnrollStudent = ({ isOpen, onClose, queryClassId }) => {
     try {
       setLoading(true);
       const response = await handleEnrollments(formData, queryClassId);
+      const validationEmailList = response?.data?.results;
+      const messages = await getMessages();
+      let validEmails = [];
+      let invalidEmails = [];
+      let textToast = '';
 
       /**
        * This is because the service that checks the enrollment status is a different
        * endpoint, and that endpoint always returns a status 200, so the error cannot be
        * caught with a .catch.
        */
-      if (response?.data?.results[0]?.tags === 'error') {
-        setToastMessage(decodeURIComponent(response?.data?.results[0]?.message));
+      if (messages?.data?.results[0]?.tags === 'error') {
+        setToastMessage(decodeURIComponent(messages?.data?.results[0]?.message));
         setShowToast(true);
 
         return onClose();
       }
 
-      setToastMessage('Email invite has been sent successfully');
+      validationEmailList.map(email => {
+        if (email?.invalidIdentifier) {
+          invalidEmails = [
+            ...invalidEmails,
+            email.identifier,
+          ];
+          return invalidEmails;
+        }
+        validEmails = [
+          ...validEmails,
+          email.identifier,
+        ];
+        return validEmails;
+      });
+
+      if (invalidEmails.length > 0) {
+        textToast = `The following email adresses are invalid: ${invalidEmails.join(' ')}\n`;
+      }
+      if (validEmails.length > 0) {
+        textToast += `Successfully enrolled and sent email to the following users: ${validEmails.join(' ')}`;
+      }
+
+      setToastMessage(textToast);
 
       const params = {
         course_name: courseNameDecoded,
@@ -84,7 +111,7 @@ const EnrollStudent = ({ isOpen, onClose, queryClassId }) => {
 
   return (
     <>
-      <Toast onClose={() => setShowToast(false)} show={showToast}>
+      <Toast onClose={() => setShowToast(false)} show={showToast} className="toast-message">
         {toastMessage}
       </Toast>
       <ModalDialog
@@ -113,12 +140,13 @@ const EnrollStudent = ({ isOpen, onClose, queryClassId }) => {
             <Form onSubmit={handleEnrollStudent}>
               <FormGroup controlId="studentInfo">
                 <Form.Control
-                  type="email"
+                  as="textarea"
                   placeholder="Enter email of the student to enroll"
                   floatingLabel="Email"
-                  className="my-4 mr-0"
+                  className="my-4 mr-0 student-email"
                   name="studentEmail"
                   required
+                  autoResize
                 />
               </FormGroup>
               <div className="d-flex justify-content-end">
diff --git a/src/features/Classes/EnrollStudent/index.scss b/src/features/Classes/EnrollStudent/index.scss
index a95c57a..fadadf3 100644
--- a/src/features/Classes/EnrollStudent/index.scss
+++ b/src/features/Classes/EnrollStudent/index.scss
@@ -7,4 +7,12 @@
 
 .body-container {
   min-height: 193px;
+
+  .student-email .pgn__form-control-floating-label {
+    display: block;
+  }
+}
+
+.toast-message {
+  white-space: pre-wrap;
 }
diff --git a/src/features/Students/data/api.js b/src/features/Students/data/api.js
index c03cd07..4390d69 100644
--- a/src/features/Students/data/api.js
+++ b/src/features/Students/data/api.js
@@ -21,9 +21,13 @@ function handleEnrollments(data, courseId) {
   return getAuthenticatedHttpClient().post(
     `${INSTRUCTOR_API_URL.replace(courseIdSearchPattern, courseId)}/students_update_enrollment`,
     data,
-  ).then(() => getAuthenticatedHttpClient().get(
+  );
+}
+
+function getMessages() {
+  return getAuthenticatedHttpClient().get(
     `${getConfig().LMS_BASE_URL}/pearson_course_operation/api/messages/get-messages/`,
-  ));
+  );
 }
 
 function getStudentsMetrics(institutionId, days) {
@@ -55,4 +59,5 @@ export {
   handleEnrollments,
   getStudentsMetrics,
   getClassesMetrics,
+  getMessages,
 };