Chaffey Joint Union High School District

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CJUHSD

About Us

The Chaffey Joint Union High School District serves the communities of Ontario, Montclair, Rancho Cucamonga, and portions of Fontana, Upland, Chino, and Mount Baldy. With over 25,000 students, the District is the fourth largest high school district in California. It has eight comprehensive high schools, a continuation high school, an online high school, a community day school, an adult school, and alternative programs. The District offers a wide variety of instructional options that provide a quality education for each student, every day. The District's well-prepared, dedicated, and highly qualified teachers and support personnel are second to none.

The Chaffey Joint Union High School District Board of Trustees are steadfast in the belief that, "Nothing is more important than student learning and their achievement."

Our daily purpose encompasses our commitment:

"To provide student learning, and ultimately their achievement, of the prescribed curriculum that takes place in the classroom under the direction of the teacher." The Chaffey District supports this daily act. We realize that our efforts uniquely influence the future of our community and of this nation, and we are passionate about doing whatever it takes to prepare students to be successful and contributing citizens of the 21st century.

The Chaffey District has provided a quality education for high school students in the area since 1911. As the District continues to grow and progress, we are poised to meet the challenge of providing the finest quality education possible for every student. 

Chaffey Joint Union High Schools

Alta Loma High School
8880 Baseline Road
Alta Loma, CA 91701
(909) 989-5511

Etiwanda High School
13500 Victoria Avenue
Etiwanda, CA 91739
(909) 899-2531

 

Chaffey Adult School
1802 East Seventh Street
Ontario, CA 91764
(909) 391-5365

Los Osos High School
6001 Milliken Avenue
Rancho Cucamonga, CA 91737
(909) 477-6900

 

Chaffey District Online High School
1802 East Seventh Street
Ontario, CA 91764
(909) 460-5626

Montclair High School
4725 Benito Street
Montclair, CA 91763
(909) 621-6781

 

Chaffey High School
1245 North Euclid Avenue
Ontario, CA 91762
(909) 988-5560

 

Ontario High School
901 West Francis Street
Ontario, CA 91762
(909) 988-7411

 

Colony High School
3850 East Riverside Drive
Ontario, CA 91761
(909) 930-2929

 

Rancho Cucamonga High School
11801 Lark Drive
Rancho Cucamonga, CA 91701
(909) 989-1600

 

Community Day School
1802 East Seventh Street
Ontario, CA 91764
(909) 460-5663
Valley View High School
1801 East Sixth Street
Ontario, CA 91764
(909) 985-0966

 

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