Chaffey Joint Union High School District School Calendar 2026-2027

At a Glance

CJUHUSD is a suburban school district with 11 schools. For the 2026-2027 school year, classes begin August 5 and end May 20. The district has said a complete 2026-2027 calendar — including early dismissal dates, teacher workdays and grading period end dates — will be published soon.

Also known as CJUHUSD.

Schools in Chaffey Joint Union High School District

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

Chaffey Joint Union High School District 2026-2027 School Calendar

All schools

2026-07-03 — Independence Day (observed) (closed)
2026-08-03 — Certificated Staff Report (closed)
2026-08-05 — Students Report / First Day of School (in session)
2026-09-07 — Labor Day (closed)
2026-10-02 — First Quarter Ends (in session)
2026-10-05 — Floating Holiday (closed)
2026-10-06 — Second Quarter Begins (in session)
2026-11-11 — Veterans Day (closed)
2026-11-23 to 2026-11-27 — Thanksgiving Break (closed)
2026-12-21 to 2026-12-31 — Winter Break (closed)
2027-01-01 — New Year's Day (closed)
2027-01-04 — Third Quarter / Second Semester Begins (in session)
2027-01-18 — Martin Luther King Jr. Day (closed)
2027-02-08 — Abraham Lincoln's Day (observed) (closed)
2027-02-15 — Presidents Day (closed)
2027-03-08 — Fourth Quarter Begins (in session)
2027-03-29 to 2027-04-02 — Spring Break (closed)
2027-05-20 — Last Day of School (in session)