As a School Admin, you can remove access to Multitudes for any users associated with your district.
To archive a user:
(1) Click on the "Manage" tab, this will place you on the "Users" section:
(2) Using the check box on the far left, select the user(s) you want to archive:
(3) Click the Archive button. A modal will then pop open to confirm this action, click Continue to complete archiving the user.