Is this your district? Email the board to prioritize reading!
Email BoardOntario-Montclair
San Bernardino County school performance
Ontario-Montclair is underperforming.
Reading and math results average to the 57th percentile among California school districts.
Only 46.2% of students met California's reading standard, but it is trending up.
Math is weaker: 36.7% of students met California's math standard, but it is slowly trending up.
| Current Reading Proficiency | 46.2% |
| Current Math Proficiency | 36.7% |
| District Reading Rank | 462 / 977 (53rd percentile) |
| District Math Rank | 388 / 977 (60th percentile) |
| Student / Teacher Ratio | 19:1 |
| Spend per Student | $24,196 |
| Schools in District | 34 |
| Student Enrollment | 17,640 |
| Low-Income Students | 15,581 (88.1%) |
| English Learners | 4,629 (26.2%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading rose 1.5 points from last year and rose 5.1 points over the full period. Math rose 1.9 points from last year and rose 5.0 points over the full period.
•Math +5.0 percentage pointsBoard Members
| name | elected | up for re-election |
|---|---|---|
Sonia Alvarado Trustee Area 5; President [email protected] | 2022 | 2026This year! |
Elvia M. Rivas Trustee Area 2; Vice President [email protected] | 2022 | 2026This year! |
Kristen "Kris" Brake Trustee Area 3; Clerk [email protected] | 2022 | 2026This year! |
Flora Martinez Trustee Area 1; Member [email protected] | N/A | N/A |
Sarah S. Galvez Trustee Area 4; Member [email protected] | N/A | N/A |
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 21.3 points in reading. It widened slightly over the period shown.
•English Learners vs English Native
15.1% of English learners meet the reading standard, compared with 49.3% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•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 24.0 points in math. It widened over the period shown.
•English Learners vs English Native
12.9% of English learners meet the math standard, compared with 39.4% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•District School Map
Schools in this district, color-coded by reading proficiency.
Loading district map...
Hover over a school marker to see details
Schools
-7.1%Understanding this district
How does Ontario-Montclair rank in California?
Ontario-Montclair ranks No. 462 of 977 in reading and No. 388 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
How much do results vary between Ontario-Montclair’s schools?
Among the 22 schools serving K–6, proficiency ranges from 30.6% to 65.2% in reading and 21.0% to 63.5% in math.
See the district’s schoolsAre results improving across Ontario-Montclair’s schools?
Over 2024–2026, reading proficiency rose at 27 of 33 schools with results covering that full period; math rose at 25 of 33.
Compare school trendsHow do low-income students in Ontario-Montclair compare with other districts?
Low-income reading proficiency is 43.8%, compared with 37.6% at a typical California elementary district. In math, it is 33.9%, compared with 28.2%.
See student-group resultsWhich districts should I compare with Ontario-Montclair?
Elementary districts in San Bernardino County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Ontario-MontclairThis district | 36.7% | 46.2% |
| Etiwanda Elementary | 60.9% | 68.9% |
| Victor Elementary | 23.6% | 32.9% |
How we compare low-income results
“Typical” is the median across 444 California elementary 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.
