Registration is MANDATORY for ALL Incoming 9th Graders What to Bring: MUSD Returning 9th Graders 1.) Proof of residency (PG&E Bill, Phone Bill, ID, Driver’s License, Cable/Internet Bill)Anyone NEW to the district (recently moved to MUSD or attended a charter school):1.) Your immunization records 2.) Proof of residency. (PG&E Bill, Phone Bill, ID, Driver’s License, Cable/Internet Bill)