For the 2026–2027 school year, the district serves 4,000 students across 6 schools in Northern California, California. The 2026–2027 academic year includes 180 instructional days. All dates listed below are sourced from the district's official publications. Verify with Martinez Unified School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Martinez Unified School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Martinez Unified School District's 2026–2027 academic calendar — holidays, breaks, and key dates.
Month by Month Calendar
About the District
School Information
Details and contact information for Martinez Unified School District MUSD.
Sources and Checks
Where these dates come from
How the 2026–2027 Martinez Unified School District calendar on this page was compiled and what to re-check before you rely on it.
- ✓District publication. Dates are taken from the calendar Martinez Unified School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against martinez.k12.ca.us.
- ✓Board-approved version is used where the district marks one.
- ✓First and last day match the published calendar.
- ✓Breaks and holidays are listed with their full date ranges.
- ✓Teacher / no-school days are included where the district lists them.
- ✓Changes happen. Districts amend calendars mid-year — confirm with Martinez Unified School District before booking around a date.
Common Questions
Frequently Asked Questions
Martinez Unified School District Calendar 2026–2027 — important dates and answers.
The first day of school in Martinez Unified School District for the 2026-2027 school year is August 12, 2026.
Spring Break in Martinez Unified School District takes place from April 5 to April 9, 2027.
Christmas break for Martinez Unified School District includes Christmas Eve on December 24, 2026, and Christmas Day on December 25, 2026.
Winter break in Martinez Unified School District occurs in late December and includes December 24, December 25, and December 31, 2026, along with New Year’s Day on January 1, 2027.
Thanksgiving Break in Martinez Unified School District is observed from November 23 through November 27, 2026.
The last day of school for Martinez Unified School District students in the 2026-2027 school year is June 3, 2027.
Yes, Martinez Unified School District has several staff development and teacher work days, including August 10–11, 2026, October 12, 2026, and March 8, 2027.
Major holidays include Labor Day (September 7, 2026), Veterans Day (November 11, 2026), Martin Luther King Jr. Day (January 18, 2027), Presidents’ Day (February 15, 2027), Memorial Day (May 31, 2027), and Juneteenth (June 18, 2027).
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Recently Updated Calendars
Other California school district calendars — recently added or updated.