diff --git a/apps/admin/src/hooks/useInvalidate.ts b/apps/admin/src/hooks/useInvalidate.ts
index 74e8819a3..150d8c55f 100644
--- a/apps/admin/src/hooks/useInvalidate.ts
+++ b/apps/admin/src/hooks/useInvalidate.ts
@@ -51,6 +51,21 @@ const useInvalidate = () => {
     });
   }, [queryClient]);
 
+  const invalidateNotification = useCallback(
+    (studentId: number) => {
+      queryClient.invalidateQueries({
+        queryKey: $api.queryOptions('get', '/api/admin/notification', {
+          params: {
+            query: {
+              studentId,
+            },
+          },
+        }).queryKey,
+      });
+    },
+    [queryClient]
+  );
+
   const invalidateQna = useCallback(
     (qnaId?: number) => {
       const promises: Promise<void>[] = [
@@ -77,6 +92,7 @@ const useInvalidate = () => {
     invalidateProblemSet,
     invalidatePublish,
     invalidateNotice,
+    invalidateNotification,
     invalidateQna,
   };
 };
diff --git a/apps/admin/src/routes/_GNBLayout/notification/index.tsx b/apps/admin/src/routes/_GNBLayout/notification/index.tsx
index afafce498..2b6e9510a 100644
--- a/apps/admin/src/routes/_GNBLayout/notification/index.tsx
+++ b/apps/admin/src/routes/_GNBLayout/notification/index.tsx
@@ -1,9 +1,8 @@
 import { useState } from 'react';
 import { createFileRoute } from '@tanstack/react-router';
-import { Header, Modal, Input, SegmentedControl } from '@components';
+import { Header, Modal, Input, SegmentedControl, ErrorModalTemplate } from '@components';
 import { getNotification, postNotification, getStudent } from '@apis';
-import { useModal, useSelectedStudent } from '@hooks';
-import { useQueryClient } from '@tanstack/react-query';
+import { useInvalidate, useModal, useSelectedStudent } from '@hooks';
 import {
   Bell,
   Send,
@@ -113,7 +112,7 @@ export const Route = createFileRoute('/_GNBLayout/notification/')({
 
 function RouteComponent() {
   const { selectedStudent } = useSelectedStudent();
-  const queryClient = useQueryClient();
+  const { invalidateNotification } = useInvalidate();
 
   // Send modal state
   const {
@@ -122,6 +121,14 @@ function RouteComponent() {
     closeModal: closeSendModal,
   } = useModal();
 
+  // Error modal state
+  const {
+    isOpen: isErrorModalOpen,
+    openModal: openErrorModal,
+    closeModal: closeErrorModal,
+  } = useModal();
+  const [errorMessage, setErrorMessage] = useState('');
+
   // Form state for sending notification
   const [sendMode, setSendMode] = useState<'selected' | 'all' | 'search'>('selected');
   const [notificationType, setNotificationType] = useState<string>('SYSTEM');
@@ -171,9 +178,14 @@ function RouteComponent() {
       setNotificationUrl('');
       setSelectedStudentIds([]);
       closeSendModal();
-      queryClient.invalidateQueries();
     } catch (error) {
       console.error('Failed to send notification:', error);
+      const message = (error as { message?: string })?.message || '알림 발송에 실패했습니다.';
+      setErrorMessage(message);
+      closeSendModal();
+      openErrorModal();
+    } finally {
+      invalidateNotification(selectedStudent?.id || 0);
     }
   };
 
@@ -523,6 +535,15 @@ function RouteComponent() {
           </div>
         </div>
       </Modal>
+
+      {/* Error Modal */}
+      <Modal isOpen={isErrorModalOpen} onClose={closeErrorModal}>
+        <ErrorModalTemplate
+          text={errorMessage}
+          buttonText='닫기'
+          handleClickButton={closeErrorModal}
+        />
+      </Modal>
     </div>
   );
 }