diff --git a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.spec.tsx b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.spec.tsx
index bba6fbebad..d8459da5c3 100644
--- a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.spec.tsx
+++ b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.spec.tsx
@@ -1,5 +1,6 @@
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
-import { render, screen } from '@testing-library/react';
+import { render, screen, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
 import fetchMock from 'fetch-mock';
 import { uploadState, useJwt } from 'lib-components';
 import { wrapInIntlProvider } from 'lib-tests';
@@ -73,6 +74,39 @@ describe('<DocumentRow />', () => {
     ).toBeEnabled();
   });
 
+  it('sets a document as default', async () => {
+    const classroom = classroomMockFactory({ started: false });
+    const document = classroomDocumentMockFactory({
+      filename: 'my_document.pdf',
+      classroom_id: classroom.id,
+    });
+    fetchMock.patch(
+      `/api/classrooms/${classroom.id}/classroomdocuments/${document.id}/`,
+      {
+        ...document,
+        is_default: true,
+      },
+    );
+    render(
+      wrapInIntlProvider(
+        wrapInClassroom(
+          <QueryClientProvider client={queryClient}>
+            <DocumentRow
+              onRetryFailedUpload={mockedOnRetryFailedUpload}
+              document={document}
+            />
+          </QueryClientProvider>,
+          classroom,
+        ),
+      ),
+    );
+
+    userEvent.click(
+      screen.getByRole('button', { name: 'Click to set as default document' }),
+    );
+    await waitFor(() => expect(fetchMock.calls()).toHaveLength(1));
+  });
+
   it('renders a row in UPLOAD_IN_PROGRESS state', () => {
     const classroom = classroomMockFactory({ id: '1', started: false });
     const document = classroomDocumentMockFactory({
diff --git a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.tsx b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.tsx
index 7f41164871..6472002548 100644
--- a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.tsx
+++ b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/DocumentRow/index.tsx
@@ -65,7 +65,10 @@ export const DocumentRow = ({
   uploadingObject,
 }: DocumentRowProps) => {
   const intl = useIntl();
-  const updateClassroomMutation = useUpdateClassroomDocument(document.id);
+  const updateClassroomMutation = useUpdateClassroomDocument(
+    document.classroom_id,
+    document.id,
+  );
   const deleteDocumentMutation = useDeleteClassroomDocument();
   const [isUploadInProgress, setIsUploadInProgress] = useState<boolean>(false);
 
@@ -88,12 +91,18 @@ export const DocumentRow = ({
   }, [updateClassroomMutation]);
 
   const setDeleteDocument = useCallback(() => {
-    deleteDocumentMutation.mutate(document.id, {
-      onSuccess: () => {
-        window.dispatchEvent(new CustomEvent('classroomDocumentUpdated'));
+    deleteDocumentMutation.mutate(
+      {
+        classroomId: document.classroom_id,
+        classroomDocumentId: document.id,
+      },
+      {
+        onSuccess: () => {
+          window.dispatchEvent(new CustomEvent('classroomDocumentUpdated'));
+        },
       },
-    });
-  }, [deleteDocumentMutation, document.id]);
+    );
+  }, [deleteDocumentMutation, document.classroom_id, document.id]);
 
   useEffect(() => {
     (document.upload_state === uploadState.PENDING && uploadingObject) ||
diff --git a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.spec.tsx b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.spec.tsx
index 0ebcc94300..c672955c5e 100644
--- a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.spec.tsx
+++ b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.spec.tsx
@@ -12,7 +12,10 @@ import { Deferred, render } from 'lib-tests';
 import React, { PropsWithChildren } from 'react';
 
 import { createClassroomDocument } from '@lib-classroom/data/sideEffects/createClassroomDocument';
-import { classroomDocumentMockFactory } from '@lib-classroom/utils/tests/factories';
+import {
+  classroomDocumentMockFactory,
+  classroomMockFactory,
+} from '@lib-classroom/utils/tests/factories';
 
 import { UploadDocuments } from '.';
 
@@ -55,7 +58,7 @@ describe('<UploadDocuments />', () => {
 
   it('renders a Dropzone with the relevant messages', () => {
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      '/api/classrooms/1/classroomdocuments/',
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -93,7 +96,7 @@ describe('<UploadDocuments />', () => {
     });
 
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      '/api/classrooms/1/classroomdocuments/',
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -128,6 +131,8 @@ describe('<UploadDocuments />', () => {
       modelName.CLASSROOM_DOCUMENTS,
       classroomDocument.id,
       file,
+      modelName.CLASSROOMS,
+      '1',
     );
   });
 
@@ -143,7 +148,7 @@ describe('<UploadDocuments />', () => {
     });
 
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      '/api/classrooms/1/classroomdocuments/',
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -191,7 +196,7 @@ describe('<UploadDocuments />', () => {
     });
 
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      '/api/classrooms/1/classroomdocuments/',
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -236,7 +241,7 @@ describe('<UploadDocuments />', () => {
     });
 
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      '/api/classrooms/1/classroomdocuments/',
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -274,7 +279,9 @@ describe('<UploadDocuments />', () => {
   });
 
   it('updates classroom documents defaults', async () => {
+    const classroom = classroomMockFactory();
     const classroomDocument = classroomDocumentMockFactory({
+      classroom_id: classroom.id,
       filename: 'file.txt',
       is_default: false,
       upload_state: READY,
@@ -282,32 +289,39 @@ describe('<UploadDocuments />', () => {
       url: 'https://example.com/file.txt',
     });
     const classroomDocument2 = classroomDocumentMockFactory({
+      classroom_id: classroom.id,
       filename: 'file2.txt',
       is_default: true,
       upload_state: READY,
       uploaded_on: '2020-01-01T00:00:00Z',
       url: 'https://example.com/file2.txt',
     });
-    fetchMock.get('/api/classrooms/1/classroomdocuments/?limit=999', {
-      count: 2,
-      next: null,
-      previous: null,
-      results: [classroomDocument, classroomDocument2],
-    });
+    fetchMock.get(
+      `/api/classrooms/${classroom.id}/classroomdocuments/?limit=999`,
+      {
+        count: 2,
+        next: null,
+        previous: null,
+        results: [classroomDocument, classroomDocument2],
+      },
+    );
 
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      `/api/classrooms/${classroom.id}/classroomdocuments/`,
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
       { method: 'OPTIONS' },
     );
 
-    fetchMock.patch(`/api/classroomdocuments/${classroomDocument.id}/`, {
-      status: 200,
-    });
+    fetchMock.patch(
+      `/api/classrooms/${classroom.id}/classroomdocuments/${classroomDocument.id}/`,
+      {
+        status: 200,
+      },
+    );
 
-    render(<UploadDocuments classroomId="1" />);
+    render(<UploadDocuments classroomId={classroom.id} />);
 
     await screen.findByText('file.txt');
     const setDefaultButton = screen.getByRole('button', {
@@ -331,14 +345,18 @@ describe('<UploadDocuments />', () => {
       uploaded_on: '2020-01-01T00:00:00Z',
       url: 'https://example.com/file.txt',
     });
-    fetchMock.get('/api/classrooms/1/classroomdocuments/?limit=999', {
-      count: 1,
-      next: null,
-      previous: null,
-      results: [classroomDocument],
-    });
+    const classroomId = classroomDocument.classroom_id;
+    fetchMock.get(
+      `/api/classrooms/${classroomId}/classroomdocuments/?limit=999`,
+      {
+        count: 1,
+        next: null,
+        previous: null,
+        results: [classroomDocument],
+      },
+    );
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      `/api/classrooms/${classroomId}/classroomdocuments/`,
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -351,9 +369,12 @@ describe('<UploadDocuments />', () => {
       uploadManagerState: {},
     });
 
-    fetchMock.delete(`/api/classroomdocuments/${classroomDocument.id}/`, 204);
+    fetchMock.delete(
+      `/api/classrooms/${classroomId}/classroomdocuments/${classroomDocument.id}/`,
+      204,
+    );
 
-    render(<UploadDocuments classroomId="1" />);
+    render(<UploadDocuments classroomId={classroomId} />);
 
     await screen.findByRole('link', { name: 'file.txt' });
 
@@ -362,12 +383,12 @@ describe('<UploadDocuments />', () => {
     });
     userEvent.click(deleteButton);
 
-    await waitFor(() => expect(fetchMock.calls()).toHaveLength(5));
+    await waitFor(() => expect(fetchMock.calls()).toHaveLength(6));
     const deleteCall = fetchMock.calls(
-      `/api/classroomdocuments/${classroomDocument.id}/`,
+      `/api/classrooms/${classroomId}/classroomdocuments/${classroomDocument.id}/`,
     );
     expect(deleteCall[0][0]).toEqual(
-      `/api/classroomdocuments/${classroomDocument.id}/`,
+      `/api/classrooms/${classroomId}/classroomdocuments/${classroomDocument.id}/`,
     );
     expect(deleteCall[0][1]).toEqual({
       headers: {
@@ -393,7 +414,7 @@ describe('<UploadDocuments />', () => {
       results: [classroomDocument],
     });
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      '/api/classrooms/1/classroomdocuments/',
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
diff --git a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.tsx b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.tsx
index 0d523b9479..2b1db5ddfb 100644
--- a/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.tsx
+++ b/src/frontend/packages/lib_classroom/src/components/ClassroomWidgetProvider/widgets/SupportSharing/UploadDocuments/index.tsx
@@ -80,7 +80,7 @@ export const UploadDocuments = ({ classroomId }: UploadDocumentsProps) => {
   const intl = useIntl();
   const { data: classroomDocuments, refetch: refreshClassroomDocuments } =
     useClassroomDocuments(classroomId, {});
-  const metadata = useClassroomDocumentMetadata(intl.locale);
+  const metadata = useClassroomDocumentMetadata(classroomId, intl.locale);
 
   const { addUpload, uploadManagerState } = useUploadManager();
   const [filesToUpload, setFilesToUpload] = useState<File[]>([]);
@@ -125,9 +125,15 @@ export const UploadDocuments = ({ classroomId }: UploadDocumentsProps) => {
       const document = await createClassroomDocument({
         filename: file.name,
         size: file.size,
-        classroom: classroomId,
+        classroom_id: classroomId,
       });
-      addUpload(modelName.CLASSROOM_DOCUMENTS, document.id, file);
+      addUpload(
+        modelName.CLASSROOM_DOCUMENTS,
+        document.id,
+        file,
+        modelName.CLASSROOMS,
+        classroomId,
+      );
       refreshClassroomDocuments();
     } catch (error) {
       if ((error as object).hasOwnProperty('size') && metadata.data) {
diff --git a/src/frontend/packages/lib_classroom/src/components/DashboardClassroom/index.spec.tsx b/src/frontend/packages/lib_classroom/src/components/DashboardClassroom/index.spec.tsx
index 8a97bda359..e92a1dee3f 100644
--- a/src/frontend/packages/lib_classroom/src/components/DashboardClassroom/index.spec.tsx
+++ b/src/frontend/packages/lib_classroom/src/components/DashboardClassroom/index.spec.tsx
@@ -90,7 +90,7 @@ describe('<DashboardClassroom />', () => {
       results: [],
     });
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      `/api/classrooms/${classroom.id}/classroomdocuments/`,
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -126,7 +126,7 @@ describe('<DashboardClassroom />', () => {
       results: [],
     });
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      `/api/classrooms/${classroom.id}/classroomdocuments/`,
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
@@ -293,7 +293,7 @@ describe('<DashboardClassroom />', () => {
       results: [],
     });
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      `/api/classrooms/${classroom.id}/classroomdocuments/`,
       {
         upload_max_size_bytes: Math.pow(10, 9),
       },
diff --git a/src/frontend/packages/lib_classroom/src/data/queries/index.spec.tsx b/src/frontend/packages/lib_classroom/src/data/queries/index.spec.tsx
index 221446ac24..f94b3bfeef 100644
--- a/src/frontend/packages/lib_classroom/src/data/queries/index.spec.tsx
+++ b/src/frontend/packages/lib_classroom/src/data/queries/index.spec.tsx
@@ -538,12 +538,16 @@ describe('queries', () => {
     it('updates the resource', async () => {
       const classroomDocument = classroomDocumentMockFactory();
       fetchMock.patch(
-        `/api/classroomdocuments/${classroomDocument.id}/`,
+        `/api/classrooms/${classroomDocument.classroom_id}/classroomdocuments/${classroomDocument.id}/`,
         classroomDocument,
       );
 
       const { result } = renderHook(
-        () => useUpdateClassroomDocument(classroomDocument.id),
+        () =>
+          useUpdateClassroomDocument(
+            classroomDocument.classroom_id,
+            classroomDocument.id,
+          ),
         {
           wrapper: WrapperReactQuery,
         },
@@ -556,7 +560,7 @@ describe('queries', () => {
       });
 
       expect(fetchMock.lastCall()![0]).toEqual(
-        `/api/classroomdocuments/${classroomDocument.id}/`,
+        `/api/classrooms/${classroomDocument.classroom_id}/classroomdocuments/${classroomDocument.id}/`,
       );
       expect(fetchMock.lastCall()![1]).toEqual({
         headers: {
@@ -574,10 +578,17 @@ describe('queries', () => {
 
     it('fails to update the resource', async () => {
       const classroomDocument = classroomDocumentMockFactory();
-      fetchMock.patch(`/api/classroomdocuments/${classroomDocument.id}/`, 400);
+      fetchMock.patch(
+        `/api/classrooms/${classroomDocument.classroom_id}/classroomdocuments/${classroomDocument.id}/`,
+        400,
+      );
 
       const { result } = renderHook(
-        () => useUpdateClassroomDocument(classroomDocument.id),
+        () =>
+          useUpdateClassroomDocument(
+            classroomDocument.classroom_id,
+            classroomDocument.id,
+          ),
         {
           wrapper: WrapperReactQuery,
         },
@@ -590,7 +601,7 @@ describe('queries', () => {
       });
 
       expect(fetchMock.lastCall()![0]).toEqual(
-        `/api/classroomdocuments/${classroomDocument.id}/`,
+        `/api/classrooms/${classroomDocument.classroom_id}/classroomdocuments/${classroomDocument.id}/`,
       );
       expect(fetchMock.lastCall()![1]).toEqual({
         headers: {
diff --git a/src/frontend/packages/lib_classroom/src/data/queries/index.tsx b/src/frontend/packages/lib_classroom/src/data/queries/index.tsx
index db63eedca8..550a8d7482 100644
--- a/src/frontend/packages/lib_classroom/src/data/queries/index.tsx
+++ b/src/frontend/packages/lib_classroom/src/data/queries/index.tsx
@@ -275,10 +275,12 @@ type UseUpdateClassroomDocumentOptions = UseMutationOptions<
   UseUpdateClassroomDocumentData
 >;
 export const useUpdateClassroomDocument = (
+  classroomId: string,
   id: string,
   options?: UseUpdateClassroomDocumentOptions,
 ) => {
   const queryClient = useQueryClient();
+  const urlPath = `${ClassroomModelName.CLASSROOMS}/${classroomId}/${ClassroomModelName.CLASSROOM_DOCUMENTS}`;
   return useMutation<
     ClassroomDocument,
     UseUpdateClassroomDocumentError,
@@ -286,19 +288,19 @@ export const useUpdateClassroomDocument = (
   >({
     mutationFn: (updatedClassroomDocument) =>
       updateOne({
-        name: 'classroomdocuments',
+        name: urlPath,
         id,
         object: updatedClassroomDocument,
       }),
     ...options,
     onSuccess: (data, variables, context) => {
-      queryClient.invalidateQueries(['classroomdocuments']);
+      queryClient.invalidateQueries([urlPath]);
       if (options?.onSuccess) {
         options.onSuccess(data, variables, context);
       }
     },
     onError: (error, variables, context) => {
-      queryClient.invalidateQueries(['classroomdocuments']);
+      queryClient.invalidateQueries([urlPath]);
       if (options?.onError) {
         options.onError(error, variables, context);
       }
@@ -306,7 +308,10 @@ export const useUpdateClassroomDocument = (
   });
 };
 
-type UseDeleteClassroomDocumentData = string;
+type UseDeleteClassroomDocumentData = {
+  classroomId: string;
+  classroomDocumentId: string;
+};
 type UseDeleteClassroomDocumentError =
   | { code: 'exception' }
   | {
@@ -327,20 +332,24 @@ export const useDeleteClassroomDocument = (
     UseDeleteClassroomDocumentError,
     UseDeleteClassroomDocumentData
   >({
-    mutationFn: (classroomDocumentId) =>
+    mutationFn: ({ classroomId, classroomDocumentId }) =>
       deleteOne({
-        name: 'classroomdocuments',
+        name: `${ClassroomModelName.CLASSROOMS}/${classroomId}/${ClassroomModelName.CLASSROOM_DOCUMENTS}`,
         id: classroomDocumentId,
       }),
     ...options,
     onSuccess: (data, variables, context) => {
-      queryClient.invalidateQueries(['classroomdocuments']);
+      queryClient.invalidateQueries([
+        `${ClassroomModelName.CLASSROOMS}/${variables.classroomId}/${ClassroomModelName.CLASSROOM_DOCUMENTS}`,
+      ]);
       if (options?.onSuccess) {
         options.onSuccess(data, variables, context);
       }
     },
     onError: (error, variables, context) => {
-      queryClient.invalidateQueries(['classroomdocuments']);
+      queryClient.invalidateQueries([
+        `${ClassroomModelName.CLASSROOMS}/${variables.classroomId}/${ClassroomModelName.CLASSROOM_DOCUMENTS}`,
+      ]);
       if (options?.onError) {
         options.onError(error, variables, context);
       }
@@ -417,6 +426,7 @@ export const useEndClassroomAction = classroomActionMutation<
 >(MutationClassroomAction.END);
 
 export const useClassroomDocumentMetadata = (
+  classroomId: string,
   locale: string,
   queryConfig?: UseQueryOptions<
     ClassroomDocumentMetadata,
@@ -425,7 +435,10 @@ export const useClassroomDocumentMetadata = (
     string[]
   >,
 ) => {
-  const key = ['classroomdocuments', locale];
+  const key = [
+    `${ClassroomModelName.CLASSROOMS}/${classroomId}/${ClassroomModelName.CLASSROOM_DOCUMENTS}`,
+    locale,
+  ];
   return useQuery<
     ClassroomDocumentMetadata,
     'classroomdocuments',
diff --git a/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.spec.ts b/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.spec.ts
index fa3e1a1938..945d5cea60 100644
--- a/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.spec.ts
+++ b/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.spec.ts
@@ -19,12 +19,15 @@ describe('sideEffects/createClassroomDocument', () => {
     const classroomDocument = classroomDocumentMockFactory({
       filename: file.name,
     });
-    fetchMock.mock('/api/classroomdocuments/', classroomDocument);
+    fetchMock.mock(
+      `/api/classrooms/${classroomDocument.classroom_id}/classroomdocuments/`,
+      classroomDocument,
+    );
 
     const createdClassroomDocument = await createClassroomDocument({
       filename: file.name,
       size: file.size,
-      classroom: classroomDocument.classroom_id,
+      classroom_id: classroomDocument.classroom_id,
     });
 
     const fetchArgs = fetchMock.lastCall()![1]!;
@@ -38,30 +41,33 @@ describe('sideEffects/createClassroomDocument', () => {
   });
 
   it('throws when it fails to create the deposited file (request failure)', async () => {
+    const file = new File(['anrusitanrsui tnarsuit narsuit'], 'TestFile.txt');
+    const classroomDocument = classroomDocumentMockFactory();
     fetchMock.mock(
-      '/api/classroomdocuments/',
+      `/api/classrooms/${classroomDocument.classroom_id}/classroomdocuments/`,
       Promise.reject(new Error('Failed to perform the request')),
     );
-    const file = new File(['anrusitanrsui tnarsuit narsuit'], 'TestFile.txt');
-    const classroomDocument = classroomDocumentMockFactory();
     await expect(
       createClassroomDocument({
         filename: file.name,
         size: file.size,
-        classroom: classroomDocument.classroom_id,
+        classroom_id: classroomDocument.classroom_id,
       }),
     ).rejects.toThrow('Failed to perform the request');
   });
 
   it('throws when it fails to create the deposited file (API error)', async () => {
-    fetchMock.mock('/api/classroomdocuments/', 400);
     const file = new File(['anrusitanrsui tnarsuit narsuit'], 'TestFile.txt');
     const classroomDocument = classroomDocumentMockFactory();
+    fetchMock.mock(
+      `/api/classrooms/${classroomDocument.classroom_id}/classroomdocuments/`,
+      400,
+    );
     await expect(
       createClassroomDocument({
         filename: file.name,
         size: file.size,
-        classroom: classroomDocument.classroom_id,
+        classroom_id: classroomDocument.classroom_id,
       }),
     ).rejects.toThrow();
   });
diff --git a/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.ts b/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.ts
index a0881ee09d..3a2197a3dd 100644
--- a/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.ts
+++ b/src/frontend/packages/lib_classroom/src/data/sideEffects/createClassroomDocument/index.ts
@@ -10,15 +10,17 @@ import {
 export const createClassroomDocument = async (file: {
   filename: string;
   size: number;
-  classroom: Classroom['id'];
+  classroom_id: Classroom['id'];
 }) => {
   const jwt = useJwt.getState().getJwt();
   if (!jwt) {
     throw new Error('No JWT found');
   }
+  const classroomModelName = ClassroomModelName.CLASSROOMS;
+  const classroomDocumentsModelName = ClassroomModelName.CLASSROOM_DOCUMENTS;
 
   const response = await fetchWrapper(
-    `${API_ENDPOINT}/${String(ClassroomModelName.CLASSROOM_DOCUMENTS)}/`,
+    `${API_ENDPOINT}/${classroomModelName}/${file.classroom_id}/${classroomDocumentsModelName}/`,
     {
       headers: {
         Authorization: `Bearer ${jwt}`,
diff --git a/src/frontend/packages/lib_classroom/src/utils/tests/factories.ts b/src/frontend/packages/lib_classroom/src/utils/tests/factories.ts
index 54067d5c41..0a242393e9 100644
--- a/src/frontend/packages/lib_classroom/src/utils/tests/factories.ts
+++ b/src/frontend/packages/lib_classroom/src/utils/tests/factories.ts
@@ -80,7 +80,7 @@ export const classroomDocumentMockFactory = (
   classroomDocument: Partial<ClassroomDocument> = {},
 ): ClassroomDocument => {
   return {
-    classroom_id: faker.datatype.uuid(),
+    classroom_id: faker.datatype.uuid().toString(),
     filename: faker.system.fileName(),
     id: faker.datatype.uuid(),
     is_default: false,