Reset Shared iPad passcodes in Apple School Manager
If you’ve successfully configured federated authentication and a student forgets their Shared iPad passcode, perform this task so they can sign in again.
Reset Shared iPad passcodes
In Apple School Manager , click Accounts in the sidebar.
Search for an account in the Search Accounts field, then select the account you want to change.
Click More , then select Reset Shared iPad Passcode .
Enter a new-four digit passcode, click Continue, select how the passcode will be delivered, then click Continue.
Click Sign Out Devices, then do one of the following:
Click Download to choose the format of the new passcodes, click Download, then click Done.
Click Activity to view this activity, then click Done.