Our school day at the American School of Doha (ASD) is from 8:00 am to 3:00 pm for students in Kindergarten through Grade 12 and from 8:00 am to 12:30 pm for Pre-Kindergarten, Sunday through Thursday.. However, on Tuesdays of a full-school week, students will be dismissed at 12:30 p.m. so that the teachers may work collaboratively on school improvement initiatives.