As administrator, login using your email and password at https://services.catholicbrain.com/login
Go to "Account Settings" and deactivate "Auto Renewal"
Or you may send a help desk ticket to catholicbrain.freshdesk.com
Or you may send an email to firstname.lastname@example.org
Or you may call Catholic Brain at: 1-469-416-4942
Please include: your name, school code and email address. Customer Service will disable the auto renewal for you.