Proof of residency will be required, and each party will also sign the Tarrant City Schools Affidavit of Residence. All residences within Tarrant City School.Residency also implies the student's intent to remain in New York after completing his or her studies. A: Please view our Residency Requirements for required documentation. Determining Resident Status. The Central Texas College Admissions Office is responsible for determining residency status of students for tuition purposes. A Texas Residency Affidavit is a legal document used to establish residency in Texas. Reside in Texas for the 36 months immediately preceding graduation from a Texas high school or receipt of the GED.