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Chaffey Joint Union High

Chaffey High

1245 North Euclid Avenue, Ontario, CA 91762-1997

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Summary

Chaffey High is underperforming.

Reading and math results average to the 57th percentile among comparable California schools.

58.8% of students met California's reading standard, and it is trending up.Trending up

Math is weaker: 20.5% of students met California's math standard, but it is trending up slightly.Trending up

Proficiency Stats
Current Reading Proficiency58.8%
Current Math Proficiency20.5%
Reading State Rank610/1609 (62nd percentile)
Math State Rank765/1605 (52nd percentile)
Other Stats
Student / Teacher Ratio23:1
Student Enrollment3,127
Low-Income Students2,768 (88.5%)
English Learners536 (17.1%)
Quick links
School WebsiteGreat SchoolsNicheEd-DataCAASPP
2-Year Trends
2023 - 2025
Reading +8.6%Trend up•Math +2.0%Trend up
Showing school-level proficiency for the last three years

Reading Proficiency Scores

Race, economic status, English learner status, and distribution of scores by grade.

Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income +7.9%Trend up•
Non-Low-Income +14.6%Trend up
English Learners vs English Native
English Learners
English Native
English Learners +7.1%Trend up•
English Native +5.1%Trend up

Math Proficiency Scores

Race, economic status, English learner status, and distribution of scores by grade.

Race and Ethnicity
Distribution of Scores by Grade
Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income +2.0%Trend up•
Non-Low-Income +3.8%Trend up
English Learners vs English Native
English Learners
English Native
English Learners +2.8%Trend up•
English Native -3.2%Trend down
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