IUSD Traditional Schools Start August 18

Irvine Unified School District's first day for traditional-calendar students in prekindergarten through 12th grade is Tuesday, August 18. The district's 2026-27 calendar lists August 13 and August 17 as teacher workdays for traditional schools, with August 14 designated as a staff development day. Families should confirm their individual school's bell schedule, transportation details, enrollment status, and minimum-day arrangements before classes begin. Year-round schools follow separate calendars, so families at those campuses should rely on their school's published schedule.