B+
Chaffey High
PublicHighGrades 9–12Virtual
1245 North Euclid Ave., Ontario, CA 91762 · (909) 988-5560 · Part of Chaffey Joint Union High School District
Students
3,127
Students per teacher
23:1
Free or reduced lunch
81%
Setting
City
Grades
9–12
What stands out about Chaffey High
- Reading / language arts 11 pts above the state
- Larger classes: 23:1 students per teacher
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency32%
State average 33.6%
Reading / language arts60%
State average 48.6%
Location
Directions ↗
1245 North Euclid Ave., Ontario
Students
Enrollment by grade
Grade 9773
Grade 10820
Grade 11784
Grade 12750
Enrollment over time
3,363’20
3,360’21
3,346’22
3,223’23
3,127’24
Down 7% since 2020.
Who goes here
Hispanic 89%Black 3%White 3%Asian 3%Two or more races 2%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Chaffey High.
Other schools in Chaffey Joint Union High School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.