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Email BoardMontclair High
4725 Benito Street, Montclair, CA 91763-2705
Summary
Reading and math results average to the 65th percentile among comparable California schools.
64.5% of students met California's reading standard, and it is trending up slightly.
Math is weaker: 24.9% of students met California's math standard, it is holding steady.
Proficiency stats
| Current Reading Proficiency | 64.5% |
| Current Math Proficiency | 24.9% |
| Reading State Rank | 449/1,596 (72nd percentile) |
| Math State Rank | 678/1,596 (58th percentile) |
School information
| Student / Teacher Ratio | 24:1 |
| Student enrollment (2024–25) | 2,515 |
| Low-Income Students | 2,306 (91.7%) |
| English Learners | 311 (12.4%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 4.9 points from last year and rose 1.1 points over the full period. Math fell 5.1 points from last year and rose 0.1 points over the full period.
•Math +0.1 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Asian and White students have the strongest results.
Distribution of Scores by Grade
64.5% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 29% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 17.1-point reading income gap is slightly wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
11.5% of English learners meet the reading standard, compared with 67.6% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 56% proficiency. The other reported groups range from about 15% to 24%.
Distribution of Scores by Grade
24.9% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 43% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 0.1-point math income gap is narrower than the 14.2-point gap at a typical California 9–12 school. It narrowed over the period shown.
•English Learners vs English Native
3.9% of English learners meet the math standard, compared with 27.9% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Montclair High compare within the district?
Montclair High is No. 6 in reading and No. 7 in math proficiency among the 10 9–12 schools in Chaffey Joint Union High with 2026 results.
Explore the district’s schoolsHow does Montclair High rank in California?
Montclair High ranks No. 449 of 1,596 in reading and No. 678 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Montclair High compare within the district?
Low-income students here rank No. 6 in reading and No. 7 in math among 10 9–12 district schools with reportable 2026 results for this group. 63.4% meet the reading standard and 24.9% meet the math standard.
See results by student groupHow does Montclair High compare with other schools in San Bernardino County?
Montclair High is No. 18 in reading and No. 25 in math proficiency among the 56 9–12 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Montclair HighThis school | 24.9% | 64.5% |
| Alta Loma High | 38.7% | 67.9% |
| Chaffey District Online High | 77.1% | 77.8% |
