Managing personal Outlook.com account settings, security, and privacy
Hello, good day and thanks for your question, The workaround for this is to reach out to the school’s IT admin or IT support as they are the ones who will be able to access and do what is needed with your account so that you will be able to re-configure it again on your device and confirm with them that you are now able to receive the code to be able to gain access again on your account.