Visual Calendar
Official calendar scans for Grossmont Union High School District. Click any image to open full-screen.
School Calendar
Download Grossmont Union High School District's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
For the 2026–2027 school year, the district serves 17,000 students across 12 schools in Southern California, California. Classes begin August 12, 2026 and end June 3, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Grossmont Union High School District before scheduling around them.
About the District
Details and contact information for Grossmont Union High School District.
Common Questions
Grossmont Union High School District Calendar 2026–2027 — important dates and answers.
The first day of school for the Grossmont Union High School District 2026-2027 school year is August 12, 2026.
Spring break is scheduled from March 22, 2027 through April 2, 2027.
Christmas break falls within the winter break period from December 21, 2026 through January 1, 2027.
Winter break is from December 21, 2026 to January 1, 2027.
Thanksgiving break takes place from November 23, 2026 through November 27, 2026.
The last day of school for students is June 3, 2027.
Labor Day will be observed on September 7, 2026, and schools will be closed.
Martin Luther King Jr. Day will be observed on January 18, 2027.
Memorial Day will be observed on May 31, 2027.
First semester final exams are scheduled from December 15–17, 2026, and second semester final exams are scheduled from June 1–3, 2027.
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