Mark Your Calendar. St. Johns Public Schools will be administering the SAT on June 3, 2017 and the ACT on June 10th, 2017 at the St. Johns High School. Registration for both tests must be completed on-line. Students should plan on being at the high school by 7:30 on either day and will finish between noon and 1:00. Parking is available in the staff lot north of the school or in the student lot across from the tennis courts. All test-takers must present a valid ID/driver's license and the ticket you printed off at registration.