For the 2026–2027 school year, the district serves 36,000 students across 45 schools in Southern California, California. Classes begin July 20, 2026 and end June 4, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Irvine Unified School District before scheduling around them.
Visual Calendar
Official Calendar Images
Official calendar scans for Irvine Unified School District. Click any page to open the full-size image.
School Calendar
Interactive Calendar
Irvine 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 Irvine Unified School District (IUSD).
Sources and Checks
Where these dates come from
How the 2026–2027 Irvine 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 Irvine Unified School District published for 2026–2027, shown as images on this page.
- ✓Official website. Cross-checked against iusd.org.
- ✓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 Irvine Unified School District before booking around a date.
Common Questions
Frequently Asked Questions
Irvine Unified School District Calendar 2026–2027 — important dates and answers.
The first day of school for traditional students in Irvine Unified School District for the 2026-2027 school year is August 18, 2026.
Spring break for traditional students in Irvine Unified School District begins on March 29, 2027 and ends on April 2, 2027.
Christmas break in Irvine Unified School District begins on December 21, 2026 as part of the winter recess.
Winter break in Irvine Unified School District starts on December 21, 2026 and ends on January 1, 2027.
Thanksgiving break in Irvine Unified School District runs from November 23 through November 27, 2026.
The last day of school in Irvine Unified School District for the 2026-2027 academic year is June 4, 2027.
Labor Day holiday is observed on September 7, 2026 in Irvine Unified School District.
Martin Luther King Jr. Day is observed on January 18, 2027 in Irvine Unified School District.
Memorial Day is observed on May 31, 2027.
Juneteenth is observed on June 18, 2027 in Irvine Unified School District.
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