The Registrar Office must determine your legal residency before you can register and pay fees for any semester or session. Please note: Students also may be required to complete a Residency Affidavit.Year residency requirement is enforced in order for a student to be classified as an instate student for tuition purposes. ABOR policy broadly defines nine different paths to residency. Each has a unique set of requirements, which are summarized below. 1. An unexpired recent Pima County rent or mortgage receipt or utility bills in the name of the applicant or head of the applicant's household;. Please call us at 520-724-8451. Home School Affidavit of Intent Form: Affidavit of Intent to Homeschool - Printable. Residency Form - Non-Citizen. Your child must be five years old before September 1 of the school year to enroll in kindergarten and six years old before September 1 to enroll in first grade.