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 
557 West Fifth Street
Ontario, CA 91762
(909) 983-7102 

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