diff --git a/deployments/r/config/common.yaml b/deployments/r/config/common.yaml
index 25be5fa53..c0b5da22d 100644
--- a/deployments/r/config/common.yaml
+++ b/deployments/r/config/common.yaml
@@ -101,3 +101,21 @@ jupyterhub:
       course::1541486:
         mem_limit: 6144M
         mem_guarantee: 6144M
+
+      # PolSci 191, Spring 2025, https://github.com/berkeley-dsep-infra/datahub/issues/6643
+      course::1541486::enrollment_type::teacher:
+        extraVolumeMounts:
+          - name: home
+            mountPath: /home/jovyan/1541486-shared-readwrite
+            subPath: _shared/course/1541486-shared
+      course::1541486::enrollment_type::ta:
+        extraVolumeMounts:
+          - name: home
+            mountPath: /home/jovyan/1541486-shared-readwrite
+            subPath: _shared/course/1541486-shared
+      course::1541486::enrollment_type::student:
+        extraVolumeMounts:
+          - name: home
+            mountPath: /home/jovyan/1541486-shared
+            subPath: _shared/course/1541486-shared
+            readOnly: true