| State Rank | District Rank | City Rank | School | District | Students | Proficiency | ELA | Math | Score |
|---|---|---|---|---|---|---|---|---|---|
| 546 | 6 | 1 | Ontario High | Chaffey Joint Union High | 2,182 | 41.0% | 61.92% | 20.09% | 4.1 |
| 617 | 7 | 2 | Colony High | Chaffey Joint Union High | 2,122 | 38.6% | 58.3% | 18.89% | 3.9 |
| 677 | 8 | 3 | Chaffey High | Chaffey Joint Union High | 3,346 | 36.7% | 54.66% | 18.75% | 3.7 |