Welcome to Jefferson High School! Our school hours are from 7:25 a.m. to 2:20 p.m. If you should have any questions, please contact the office at 734-289-5555. Our office hours are from 7:00 a.m. to 2:30 p.m. Our office will be closed starting July 1, 2025. We will be back in the office on August 11, 2025. Have a wonderful summer!