Is this your school? Email the board to prioritize reading!
Email BoardSamuel W. Simpson Elementary
1050 South Lilac Avenue, Rialto, CA 92376-7826
Summary
Reading and math results average to the 77th percentile among comparable California schools.
67.5% of students met California's reading standard, and it is trending up.
53.9% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 67.5% |
| Current Math Proficiency | 53.9% |
| Reading State Rank | 802/4,657 (83rd percentile) |
| Math State Rank | 1,315/4,657 (72nd percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 638 |
| Low-Income Students | 526 (82.4%) |
| English Learners | 132 (20.7%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.2 points from last year and rose 7.0 points over the full period. Math rose 4.9 points from last year and rose 5.7 points over the full period.
•Math +5.7 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Black or African American and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 61.0% to 71.1% across the grades shown. Overall, the school’s reading results rank in the top 18% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 2.7-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
27.1% of English learners meet the reading standard, compared with 70.3% 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
Hispanic or Latino students have the strongest math results at about 53% proficiency. The other reported groups range from about 50% to 50%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 37.1% to 64.6% across the grades shown. Overall, the school’s math results rank in the top 29% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 15.2-point math income gap is narrower than the 20.0-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
29.2% of English learners meet the math standard, compared with 54.6% of English-only students. The gap narrowed 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 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 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 Samuel W. Simpson Elementary compare within the district?
Samuel W. Simpson Elementary is No. 1 in both reading and math proficiency among the 19 K–5 schools in Rialto Unified with 2026 results.
Explore the district’s schoolsHow does Samuel W. Simpson Elementary rank in California?
Samuel W. Simpson Elementary ranks No. 802 of 4,657 in reading and No. 1,315 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 Samuel W. Simpson Elementary compare within the district?
Low-income students here rank No. 1 in both subjects among 19 K–5 district schools with reportable 2026 results for this group. 67.0% meet the reading standard and 50.9% meet the math standard.
See results by student groupHow does Samuel W. Simpson Elementary compare with other schools in Rialto?
Samuel W. Simpson Elementary is No. 1 in both reading and math proficiency among the 16 K–5 schools in Rialto with 2026 results.
Explore schools in RialtoHow does Samuel W. Simpson Elementary compare with other schools in San Bernardino County?
Samuel W. Simpson Elementary is No. 10 in reading and No. 17 in math proficiency among the 112 K–5 schools in San Bernardino County with 2026 results.
Explore schools in San Bernardino CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Samuel W. Simpson ElementaryThis school | 53.9% | 67.5% |
| A. H. Morgan Elementary | 27.5% | 38.0% |
| Charlotte N. Werner Elementary | 16.0% | 25.0% |
