How to delete a kid account
Follow these steps to delete a child’s account and remove it from your 'My Kids' list:
From your Adult account, click 'Manage' in the top menu and select 'Kids.'
Click the three stacked lines next to the child’s account you want to disable and select 'Edit Kid.'
Scroll down and click 'Disable Account.' Confirm by clicking OK in the pop-up message.
Check out this article to learn how to manage your students' accounts when they're no longer under your care: (Coach/School) A student left my program. Should I delete a kid account, or just "un-gold" it?