If you are referring to PowerSchool, you will need an Access ID and Access Password to link your student to your account. This must come from your child's school directly (no one on this forum can help you with that).
You also cannot link a child to your account via the App, you must do it on the Web Portal itself.
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Full Disclosure: I do not work for PowerSchool
Full Disclosure: I do not work for PowerSchool
