Proof of residency in the city of Suffolk (i.e. Water bill, gas bill or electric bill.Required documents: Proof of birth, immunization records, physical exam, photo ID of parent or guardian and proof of residency for owners or renters. Proof of residency is required. Complete the registration packet below. Students can easily apply for. Your lease, deed or mortgage statement for where you reside. Suffolk Public Schools require proof of residency in order to attend Suffolk Public Schools on a non-tuition basis.