Chaffey Joint Union High School District

2023-2024 School Calendars:

• Etiwanda High School
• Ontario High School
• Rancho Cucamonga High School
• Los Osos High School
• Valley View High (Continuation) School
• Montclair High School
• Colony High School
• Chaffey Adult
• Alta Loma High School
• Chaffey District Online High
• Chaffey High School
• Chaffey Community Day School