Chaffey Joint Union High
Ontario High
901 West Francis Street, Ontario, CA 91762-6214
Summary
62.5% of students are reading at grade level in Ontario High, and it is trending up slightly.
Math is weaker at 29.6%; most students are not yet at grade level, but it is trending up.
Proficiency Stats
| Current Reading Proficiency | 62.5% |
| Current Math Proficiency | 29.6% |
| Reading State Rank | 501/1609 (69th percentile) |
| Math State Rank | 514/1605 (68th percentile) |
Other Stats
| Student / Teacher Ratio | 22:1 |
| Student Enrollment | 1,994 |
School Website
Great Schools
Niche
Ed-Data
CAASPP2-Year Trends
2023 - 2025
Reading +2.1%•Math +8.8%
•Math +8.8%Showing school-level proficiency for the last three years
Reading Proficiency Scores
Race and ethnicity proficiency plus distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade
Math Proficiency Scores
Race and ethnicity proficiency plus distribution of scores by grade.
Race and Ethnicity
Distribution of Scores by Grade