Chaffey Joint Union High

Chaffey High

1245 North Euclid Avenue, Ontario, CA 91762-1997

Summary

Chaffey High is underperforming.

58.8% of students are reading at grade level in Chaffey High, and it is trending up.Trending up

Math is weaker at 20.5%; most students are not yet at grade level, 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%)
2-Year Trends
2023 - 2025
Reading +8.6%Trend upMath +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
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners +7.1%Trend up
English Native +5.1%Trend up
Showing subgroup proficiency for the last three years

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
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners +2.8%Trend up
English Native -3.2%Trend down
Showing subgroup proficiency for the last three years