# Chaffey High

Chaffey High is a high school in Ontario, California. Reading proficiency is 58.8%, +8.6 points from 2023 to 2025. Math proficiency is 20.5%, +2.0 points from 2023 to 2025.

## Key Stats

| Metric | Value |
| --- | --- |
| Canonical URL | https://caschooltrends.com/schools/chaffey-high-ontario |
| District | Chaffey Joint Union High |
| Address | 1245 North Euclid Avenue, Ontario, CA, 91762-1997 |
| Grade span | 9-12 |
| Charter status | Non-charter |
| Enrollment | N/A |
| Student / teacher ratio | 23:1 |
| Per-student spending | $18,894 |
| Low-Income Students | 2,768 (88.5%) |
| English Learners | 536 (17.1%) |

## Reading Proficiency History

| Year | Proficient % | Tested Students |
| --- | --- | --- |
| 2023 | 50.2% | 773 |
| 2024 | 54.7% | 655 |
| 2025 | 58.8% | 703 |

## Math Proficiency History

| Year | Proficient % | Tested Students |
| --- | --- | --- |
| 2023 | 18.6% | 765 |
| 2024 | 18.8% | 672 |
| 2025 | 20.5% | 707 |

## Reading Performance by Income Group

| Year | Low-Income | Non-Low-Income |
| --- | --- | --- |
| 2023 | 50.1% | 50.5% |
| 2024 | 53.4% | 66.7% |
| 2025 | 58.1% | 65.2% |

## Math Performance by Income Group

| Year | Low-Income | Non-Low-Income |
| --- | --- | --- |
| 2023 | 17.7% | 25.0% |
| 2024 | 18.7% | 19.4% |
| 2025 | 19.7% | 28.8% |

## Reading Performance by English Learner Status

| Year | English Learners | English Native |
| --- | --- | --- |
| 2023 | 6.5% | 58.3% |
| 2024 | 2.1% | 59.6% |
| 2025 | 13.6% | 63.4% |

## Math Performance by English Learner Status

| Year | English Learners | English Native |
| --- | --- | --- |
| 2023 | 1.4% | 24.7% |
| 2024 | 3.5% | 18.6% |
| 2025 | 4.2% | 21.6% |

## Reading Performance by Race and Ethnicity

| Group | Proficient % | Tested Students |
| --- | --- | --- |
| Hispanic or Latino | 58.6% | 638 |
| White | 60.9% | 23 |
| Black or African American | 53.9% | 13 |
| Two or more races | 54.5% | 11 |

## Math Performance by Race and Ethnicity

| Group | Proficient % | Tested Students |
| --- | --- | --- |
| Hispanic or Latino | 20.0% | 636 |
| White | 33.3% | 24 |
| Black or African American | 15.4% | 13 |
| Asian | 33.3% | 12 |
| Two or more races | 16.7% | 12 |

## Reading Score Distribution by Grade

| Grade | Tested Students | Not Met | Nearly Met | Met | Exceeded |
| --- | --- | --- | --- | --- | --- |
| 11 | 703 | 19.9% | 21.3% | 32.4% | 26.3% |

## Math Score Distribution by Grade

| Grade | Tested Students | Not Met | Nearly Met | Met | Exceeded |
| --- | --- | --- | --- | --- | --- |
| 11 | 707 | 59.0% | 20.5% | 13.4% | 7.1% |