Los Osos High School

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

Total Students: 3,260
Student-teacher Ratio: 26:1
District: Chaffey Joint Union High School
Type: Regular school
Grades: 9 - 12

Full-time Teachers: 125
Number of students on Free Lunch: 166
Number of students on Reduced Lunch: 63

Ethnicity	# of Students
Asian/Pacific Islander	296
American Indian/Alaska Native	8
Black, non-Hispanic	298
Hispanic	791
White	1,751

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