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Email BoardChaffey Joint Union High
San Bernardino County school performance
Reading and math results average to the 72nd percentile among California school districts.
64.4% of students met California's reading standard, but it is trending down slightly.
Math is weaker: 36.4% of students met California's math standard, but it is slowly trending up.
| Current Reading Proficiency | 64.4% |
| Current Math Proficiency | 36.4% |
| District Reading Rank | 150 / 977 (85th percentile) |
| District Math Rank | 398 / 977 (59th percentile) |
| Student / Teacher Ratio | 24:1 |
| Spend per Student | $18,894 |
| Schools in District | 10 |
| Student Enrollment | 22,040 |
| Low-Income Students | 15,246 (68.9%) |
| English Learners | 1,777 (8.0%) |
Test score trends
Reading fell 3.7 points from last year and fell 2.7 points over the full period. Math rose 2.0 points from last year and rose 4.7 points over the full period.
Board Members
| name | elected | up for re-election |
|---|---|---|
Cary W. Willborn President (Trustee Area 5) [email protected] | N/A | N/A |
English Board Member | 2022 | 2026This year! |
Expand for details on low-income and english learner performance
Reading Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 16.6 points in reading. It widened slightly over the period shown.
English Learners vs English Native
6.5% of English learners meet the reading standard, compared with 67.1% of English-only students. The gap narrowed as English-learner results fell and English-only results fell.
Math Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 20.3 points in math. It widened slightly over the period shown.
English Learners vs English Native
14.9% of English learners meet the math standard, compared with 37.4% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
District School Map
Schools in this district, color-coded by reading proficiency.
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Schools
Understanding this district
How does Chaffey Joint Union High rank in California?
Chaffey Joint Union High ranks No. 150 of 977 in reading and No. 398 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
How much do results vary between Chaffey Joint Union High’s schools?
Among the 10 schools serving 9–12, proficiency ranges from 9.8% to 83.0% in reading and 8.8% to 77.1% in math.
See the district’s schoolsAre results improving across Chaffey Joint Union High’s schools?
Over 2024–2026, reading proficiency rose at 3 of 10 schools with results covering that full period; math rose at 9 of 10.
Compare school trendsHow do low-income students in Chaffey Joint Union High compare with other districts?
Low-income reading proficiency is 59.7%, compared with 45.3% at a typical California high district. In math, it is 30.6%, compared with 19.5%.
See student-group resultsWhich districts should I compare with Chaffey Joint Union High?
High districts in San Bernardino County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Chaffey Joint Union HighThis district | 36.4% | 64.4% |
| Victor Valley Union High | 23.1% | 46.1% |
How we compare low-income results
“Typical” is the median across 74 California high districts with 2026 results, a reported low-income population, and at least 20 low-income tested students in each subject. Each district counts once. This compares proficiency for low-income students, rather than the gap between income groups.
CAASPP