Chaffey Joint Union High School District Main Office
211 West Fifth Street
Ontario, CA
(909) 988-8511

Alta Loma High School
8880 Base Line Rd.
Alta Loma (Rancho Cucamonga), CA
(909) 989-5511

Etiwanda High School
13500 Victoria Ave.
Rancho Cucamonga, CA
(909) 899-2531

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

Rancho Cucamonga High School
11801 Lark Dr.
Rancho Cucamonga, CA
(909) 989-1600
RCHS Cougar Library

Chaffey College
5885 Haven Ave.
Rancho Cucamonga, CA
(909) 987-1737