Chaffey High (Chaffey Joint Union High SCH DIST.), California - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Chaffey High is a High in Ontario, CA. It currently serves 3223 students (grades 09-12). The school is part of the Chaffey Joint Union High School District.

Below, we provide details about the school including the population per grade, the racial demography of the student population, the racial demography of the student population per gender/sex, and the racial demography per grade level.

You can see similar information for other schools in Chaffey Joint Union High School District and all schools in California.

Other Details

School Type: Regular School

School Level: High

Number of Students:3223

Number of Teachers: 135

Student/Teacher Ratio: 23.83

Location Info

Location: 1245 North Euclid Ave., Ontario, CA 91762

Mailing Address: 1245 North Euclid Ave., Ontario, CA 91762-1997

Phone: (909)988-5560

Website: http://www.cjuhsd.net

Data Source: NCES.

Student Population Per Grade

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Grade	Population
Grade 10	802
Grade 11	755
Grade 12	853
Grade 9	813

Gender/Sex of Chaffey High Student Population

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Gender	Population	Percent of Population (%)
Male	1641	50.92
Female	1577	48.93

Race/Ethnicity Demography of Chaffey High Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	12	0.37
Asian	70	2.17
Black or African American	95	2.95
Hispanic/Latino	2874	89.17
Native Hawaiian or Other Pacific Islander	7	0.22
Two or more races	48	1.49
White	112	3.48

Male - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	3	0.18
Asian	47	2.86
Black or African American	49	2.99
Hispanic/Latino	1456	88.73
Native Hawaiian or Other Pacific Islander	2	0.12
Two or more races	26	1.58
White	58	3.53

Female - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	9	0.57
Asian	23	1.46
Black or African American	46	2.92
Hispanic/Latino	1418	89.92
Native Hawaiian or Other Pacific Islander	5	0.32
Two or more races	22	1.40
White	54	3.42

Race Demography Per Grade

The tables below shows the Race/Ethnicity of the student population per grade.

Grade 10 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	2	0.25
Asian	20	2.49
Black or African American	20	2.49
Hispanic/Latino	725	90.40
Native Hawaiian or Other Pacific Islander	1	0.13
Two or more races	10	1.25
White	22	2.74

Grade 11 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	4	0.53
Asian	13	1.72
Black or African American	27	3.58
Hispanic/Latino	662	87.68
Native Hawaiian or Other Pacific Islander	1	0.13
Two or more races	16	2.12
White	31	4.11

Grade 12 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	3	0.35
Asian	25	2.93
Black or African American	24	2.81
Hispanic/Latino	750	87.93
Native Hawaiian or Other Pacific Islander	4	0.47
Two or more races	12	1.41
White	33	3.87

Grade 9 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	3	0.37
Asian	12	1.48
Black or African American	24	2.95
Hispanic/Latino	737	90.65
Native Hawaiian or Other Pacific Islander	1	0.12
Two or more races	10	1.23
White	26	3.20