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Email BoardBen F. Kolb Middle
2351 North Spruce Street, Rialto, CA 92377-4505
Summary
Ben F. Kolb Middle is underperforming.
Reading and math results average to the 52nd percentile among comparable California schools.
Only 47.1% of students met California's reading standard, but it is trending up.
Math is weaker: 29.0% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 47.1% |
| Current Math Proficiency | 29.0% |
| Reading State Rank | 537/1,204 (55th percentile) |
| Math State Rank | 628/1,204 (48th percentile) |
School information
| Student / Teacher Ratio | 23:1 |
| Student enrollment (2024–25) | 917 |
| Low-Income Students | 747 (81.5%) |
| English Learners | 119 (13.0%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 0.5 points from last year and rose 7.9 points over the full period. Math rose 3.2 points from last year and rose 8.4 points over the full period.
•Math +8.4 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races and White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 43.8% to 49.6% across the grades shown. Overall, the school’s reading results rank in the top 45% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 16.6-point reading income gap is narrower than the 19.5-point gap at a typical California 6–8 school. It narrowed slightly over the period shown.
•English Learners vs English Native
6.3% of English learners meet the reading standard, compared with 46.3% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races students have the strongest math results at about 56% proficiency. The other reported groups range from about 14% to 52%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 26.7% to 31.6% across the grades shown. Overall, the school’s math results rank No. 628 of 1,204 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 22.5-point math income gap is slightly wider than the 19.2-point gap at a typical California 6–8 school. It widened slightly over the period shown.
•English Learners vs English Native
3.6% of English learners meet the math standard, compared with 28.7% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 795 schools for reading and 796 for math. The comparison uses 2026 California 6–8 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 Ben F. Kolb Middle compare within the district?
Ben F. Kolb Middle is No. 3 in reading and No. 1 in math proficiency among the 5 6–8 schools in Rialto Unified with 2026 results.
Explore the district’s schoolsHow does Ben F. Kolb Middle rank in California?
Ben F. Kolb Middle ranks No. 537 of 1,204 in reading and No. 628 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Ben F. Kolb Middle compare within the district?
Low-income students here rank No. 3 in reading and No. 1 in math among 5 6–8 district schools with reportable 2026 results for this group. 43.7% meet the reading standard and 24.3% meet the math standard.
See results by student groupHow does Ben F. Kolb Middle compare with other schools in Rialto?
Ben F. Kolb Middle is No. 2 in reading and No. 1 in math proficiency among the 4 6–8 schools in Rialto with 2026 results.
Explore schools in RialtoHow does Ben F. Kolb Middle compare with other schools in San Bernardino County?
Ben F. Kolb Middle is No. 15 in both reading and math proficiency among the 42 6–8 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving 6–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Ben F. Kolb MiddleThis school | 29.0% | 47.1% |
| Ethel Kucera Middle | 23.9% | 49.3% |
| Rialto Middle | 23.9% | 44.0% |
