View requests in iTunes U for web
After you enable course enrollment and share your course enrollment code with your students, students can begin requesting enrollment in your private course. When a student enters a course enroll code in iTunes U on iOS or taps on the course shortcut link from their iPad, iPhone, or iPod touch, iTunes U sends an enrollment request email (if an email is associated with your account), adds a request notice in the dashboard, and you can then view, approve, or block the request.
View enrollment requests
In iTunes U
for web, click the Students cell for your course in the dashboard.Click Admin > Admin, then click New Requests.
All pending student requests appear in the New Requests pane, displayed in chronological order by request date.
After reviewing the requests, you can approve or block requests one by one or all at once. Students approved for your course are moved to the Enrolled Students pane and blocked students are moved to the Blocked Students pane.
Note: You can also click 
to view student details or send an email to the student (if an email is associated with the account).