Index: lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/web/controller/GradebookController.java
===================================================================
diff -u -r89279cb44b252167269043889b3c3c0a4164e0bb -r965cb99dc76cd2c6cecce276ef9e004a2384c3fd
--- lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/web/controller/GradebookController.java	(.../GradebookController.java)	(revision 89279cb44b252167269043889b3c3c0a4164e0bb)
+++ lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/web/controller/GradebookController.java	(.../GradebookController.java)	(revision 965cb99dc76cd2c6cecce276ef9e004a2384c3fd)
@@ -461,6 +461,10 @@
 
 	} else if (view == GBGridView.MON_COURSE || view == GBGridView.LIST) {
 	    isGroupManager = userManagementService.hasRoleInOrganisation(viewer, Role.ROLE_GROUP_MANAGER, organisation);
+	    if (!isGroupManager && organisation.getParentOrganisation() != null) {
+		isGroupManager = userManagementService.hasRoleInOrganisation(viewer, Role.ROLE_GROUP_MANAGER,
+			organisation.getParentOrganisation());
+	    }
 	    if (!isGroupManager && !securityService.hasOrgRole(courseID, viewer.getUserId(),
 		    new String[] { Role.MONITOR }, "get course gradebook", false)) {
 		response.sendError(HttpServletResponse.SC_FORBIDDEN,