Visual Calendar
Official calendar scans for Chaffey Joint Union High School District. Click any image to open full-screen.
School Calendar
Download Chaffey Joint Union High School District's 2026–2027 academic calendar PDF — holidays, breaks, and key dates.
For the 2026–2027 school year, the district serves 25,000 students across 10 schools in Southern California, California. Classes begin August 5, 2026 and end May 20, 2027, with 180 instructional days planned. All dates listed below are sourced from the district's official publications. Verify with Chaffey Joint Union High School District before scheduling around them.
About the District
Details and contact information for Chaffey Joint Union High School District.
Common Questions
Chaffey Joint Union High School District Calendar 2026–2027 — important dates and answers.
The first day of school for students in Chaffey Joint Union High School District for the 2026-2027 school year is August 5, 2026.
Spring break in Chaffey Joint Union High School District is scheduled from March 29 to April 2, 2027.
Christmas break falls during the winter break period, which runs from December 21 to December 31, 2026.
Winter break for the 2026-2027 academic year takes place from December 21 through December 31, 2026.
Thanksgiving break in Chaffey Joint Union High School District runs from November 23 to November 27, 2026.
The last day of school for the 2026-2027 school year in Chaffey Joint Union High School District is May 20, 2027.
The second semester begins on January 4, 2027.
Labor Day will be observed on September 7, 2026.
Martin Luther King Jr. Day will be observed on January 18, 2027.
The fourth quarter begins on March 8, 2027.
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