When does Mount Diablo Unified School District start school in 2026–2027?

The first day of school for Mount Diablo Unified School District is Aug 6.

How do I add the MDUSD 2026–2027 calendar to my phone?

Tap "Add to your phone" on this page to download an .ics file with every date, then open it to import into Google Calendar or Apple Calendar.

California (Contra Costa County) · 12 key dates

Thu, Aug 6First Day of SchoolAcademic

Mon, Sep 7Labor DayHoliday

Mon, Oct 5Fall RecessHoliday

Wed, Nov 11Veterans DayHoliday

Mon, Nov 23Thanksgiving BreakHoliday

Mon, Dec 21Winter BreakHoliday

Mon, Jan 18Martin Luther King Jr. DayHoliday

Mon, Feb 15Presidents' DayHoliday

Fri, Apr 2Farmworkers DayHoliday

Mon, Apr 5Spring RecessHoliday

Mon, May 31Memorial DayHoliday

Wed, Jun 2Last Day of SchoolAcademic

Compiled from the district's published calendar and subject to change — always verify against the official MDUSD calendar.