Most schools have requirements for attending prom with a date from a different school or class that include submitting completed prom forms prior to the event. These forms can range from a simple questionnaire, to an in-depth prom form requiring parents’ signatures and a sign-off from the prom guest’s own principal. Prom Dating Advice 101: Find out in advance your school’s requirements for prom guests from another school or class, that way you are both prepared and don’t run out of time.