Chaffey Joint Union High School District
School Calendar • School Year 2025-2026
School Calendar for Chaffey Joint Union High School District
Ontario, California
22,628 students
Last updated: 2025-07-14
About Chaffey Joint Union High School District School Calendar
The Chaffey Joint Union High School District School Calendar for the 2025-2026 school year provides all important dates for students, parents, and staff. This calendar includes school start and end dates, holidays, professional development days, and other key events.
Chaffey Joint Union High School District serves 22,628 students in Ontario, California.
You can download the full calendar as a PDF or subscribe to it in Google Calendar, Outlook, or Apple Calendar via our ICS export. All dates have been AI-processed for your convenience, but please refer to the official PDF to verify accuracy.