Summer League AAU Rule: Division 1 AAU teams MUST play up one grade. Division 2 AAU teams MUST play up in Div 1 of their grade. Example: If you register as a 7th grade Div. 1 AAU team you will be placed in 8th grade Div. 2. If you register as a 7th grade Div. 2 AAU team you will be placed in 7th grade Div.1.