Celebration for the first day of school

 The first day of school in falls on September 22 or 23 which is Mehr 1st in Persian calendar and the first day of autumn (fall). Schools run up to June 20 (last day of spring). Schools are closed during the Nowruz holidays for thirteen days (March 20 – April 1). Universities might have slightly different schedule and they might reopen up to one week later than September 22.