Define user roles in Public Site Manager
Define a user role
In Public Site Manager , click Users, then click the Apple ID for the user whose role you want to change.
Click one of the following:
Change to Administrator. Administrators can manage and modify your site. In addition, administrators can sign in to iTunes U as instructors and create and edit courses.
Change to Contributor. Contributors can use the Courses view to add and manage courses they own in iTunes U. In addition, contributors can sign in to iTunes U as instructors and create and edit courses.
All users must have a valid Apple ID. Users with an existing account at Apple (iTunes Store, App Store, iCloud, the Apple Online Store, Managed Apple ID) can use the same Apple ID, or can create a new account at https://appleid.apple.com.