Mount Diablo Unified School District
School Calendar • School Year 2025-2026
School Calendar for Mount Diablo Unified School District
Concord, California
29,356 students
Last updated: 2025-07-14
About Mount Diablo Unified School District School Calendar
The Mount Diablo Unified School District School Calendar for the 2025-2026 school year provides all important dates for students, parents, and staff. This calendar includes school start and end dates, holidays, professional development days, and other key events.
Mount Diablo Unified School District serves 29,356 students in Concord, California.
You can download the full calendar as a PDF or subscribe to it in Google Calendar, Outlook, or Apple Calendar via our ICS export. All dates have been AI-processed for your convenience, but please refer to the official PDF to verify accuracy.