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Email BoardMary B. Lewis Elementary
18040 San Bernardino Avenue, Bloomington, CA 92316-1643
Summary
Mary B. Lewis Elementary is badly underperforming.
Reading and math results average to the 25th percentile among comparable California schools.
Only 35.3% of students met California's reading standard, but it is trending up slightly.
Math is weaker: 21.6% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 35.3% |
| Current Math Proficiency | 21.6% |
| Reading State Rank | 3,116/4,657 (33rd percentile) |
| Math State Rank | 3,834/4,657 (18th percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 548 |
| Low-Income Students | 520 (94.9%) |
| English Learners | 132 (24.1%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 4.4 points from last year and rose 1.9 points over the full period. Math rose 4.9 points from last year and rose 5.6 points over the full period.
•Math +5.6 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Hispanic or Latino and Black or African American students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 21.9% to 44.9% across the grades shown. Overall, the school’s reading results rank No. 3,116 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current reading gap cannot be calculated.
•English Learners vs English Native
7.5% of English learners meet the reading standard, compared with 33.3% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Hispanic or Latino students have the strongest math results at about 22% proficiency. The other reported groups range from about 5% to 5%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 17.1% to 25.0% across the grades shown. Overall, the school’s math results rank No. 3,834 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Results for both income groups are unavailable, so a current math gap cannot be calculated.
•English Learners vs English Native
2.5% of English learners meet the math standard, compared with 20.3% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,479 schools for reading and 1,483 for math. The comparison uses 2026 California K–6 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 Mary B. Lewis Elementary compare within the district?
Mary B. Lewis Elementary is No. 8 in reading and No. 10 in math proficiency among the 18 K–6 schools in Colton Joint Unified with 2026 results.
Explore the district’s schoolsHow does Mary B. Lewis Elementary rank in California?
Mary B. Lewis Elementary ranks No. 3,116 of 4,657 in reading and No. 3,834 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Mary B. Lewis Elementary compare within the district?
Low-income students here rank No. 8 in reading and No. 10 in math among 18 K–6 district schools with reportable 2026 results for this group. 35.8% meet the reading standard and 21.9% meet the math standard.
See results by student groupHow does Mary B. Lewis Elementary compare with other schools in Bloomington?
Mary B. Lewis Elementary is No. 4 in both reading and math proficiency among the 5 K–6 schools in Bloomington with 2026 results.
Explore schools in BloomingtonHow does Mary B. Lewis Elementary compare with other schools in San Bernardino County?
Mary B. Lewis Elementary is tied for No. 104 in reading and No. 130 in math proficiency among the 187 K–6 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving K–6 in the same district.
| School | Math | Reading |
|---|---|---|
| Mary B. Lewis ElementaryThis school | 21.6% | 35.3% |
| Crestmore Elementary | 28.7% | 42.1% |
| Gerald A. Smith Elementary | 31.2% | 39.1% |
