AMERICAN HIGH SCHOOL ACADEMYYour Application Submission Has Been Cancelled Your request to cancel your Adult High School Completion program application and payment submission was processed. If this was done in error, you can return to the application page and recomplete your application. Classroom-Based Application Home-Based Application CONTACT US BY PHONE Contact the Admissions Office by phone at (305) 274-7933 Monday - Friday from 9:00 am - 5:00 pm.