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About Us

Since 1966, Chaffey Adult School has been dedicated to delivering an accessible, high quality, and effective continuing education program to the adults of our community.  Chaffey Adult provides educational experiences for those seeking to improve their academic skills or enhance their employability.  We are the second largest adult school in San Bernardino County serving over 6,000 adult students a year.


We are proud to offer quality programs in Adult Basic Education, High School Diploma, GED Preparation and Testing, English as a Second Language (ESL), Citizenship, Parent Education, Career Technical Education, Computers, and a variety of non-credit courses.  Classes are scheduled throughout the communities of Ontario, Montclair and Rancho Cucamonga.

We have two offices in the Ontario area to serve you:
The main campus is located near 7th Street and Vineyard Avenue.
1802 East 7th Street, Ontario, CA 91764
(909) 391-5365

The satellite campus is located on 5th Street between Euclid Avenue and San Antonio Avenue.
557 West 5th Street, Ontario, CA 91762
(909) 983-7102

Academic counselors are available for advising students as to the most appropriate program for meeting educational goals and to help students make important decisions about their future. 


Chaffey Adult School is dedicated to delivering an accessible, high quality, and effective adult education program to the adults of our community, providing educational experiences for adults in need of basic academic skills, and assisting individuals in enhancing their employability.


After completing an informed and goal driven program of study, Chaffey Adult School students will successfully transition to continuing education, additional training or advancement in the workforce.