Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Could you please provide a few more details about the issue?
-What happens when you try to sign in to your school account?
-Are you trying to sign in through a browser, Microsoft 365 app, or another application?
-What is the exact error message or error code you receive? If possible, please share a screenshot of the error message. Make sure to hide any personal or account information before posting it.
-Have you recently changed your password or switched to a new device?
With these details, I can better understand the issue and suggest the appropriate next steps.
I look forward to your reply.