Chaffey Joint Union High School

About Chaffey Joint Union High School

In the Chaffey District, we know that high school is vitally important to a student’s future success, so please know that we will do all we can to help you achieve your educational goals. In fact, students who attend Alta Loma, Etiwanda, Chaffey, Colony, Los Osos, Montclair, Ontario, Rancho Cucamonga, Valley View, the Chaffey District Online High School, or any of our alternative programs will receive sound instruction and support so that each of you may realize success and ultimately graduate from one of our prestigious high schools. And this coming year, our senior classes of 2017 will lead the way.

I, along with the entire Chaffey District staff, am excited about the new school year, the challenges it will bring, and the privilege of working with each one of you!

Please do not hesitate to contact us, and also, take the opportunity to reference the Chaffey District’s website throughout the school year.



August 2018 Ontario, CA
“The students I helped seemed more into learning than I expected them to be. The teachers also sat in and helped plan out a course of action for the student to practice. ”
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