M. H. Stanley Middle
3455 School Street, Lafayette, CA 94549-4573
Summary
M. H. Stanley Middle is a good school.
Reading and math results average to the 94th percentile among comparable California schools.
77.5% of students met California's reading standard, but it is trending down slightly.
75.8% of students met California's math standard, which is strong statewide and is trending up.
Proficiency stats
| Current Reading Proficiency | 77.5% |
| Current Math Proficiency | 75.8% |
| Reading State Rank | 90/1,204 (93rd percentile) |
| Math State Rank | 48/1,204 (96th percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 1,117 |
| Low-Income Students | 57 (5.1%) |
| English Learners | 17 (1.5%) |
| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.2 points from last year and fell 1.2 points over the full period. Math fell 0.6 points from last year and rose 3.2 points over the full period.
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. Filipino and Asian students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 71.3% to 81.5% across the grades shown. Overall, the school’s reading results rank in the top 8% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 18.1-point reading income gap is narrower than the 19.5-point gap at a typical California 6–8 school. It narrowed over the period shown.
English Learners vs English Native
25.0% of English learners meet the reading standard, compared with 78.2% 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
Filipino students have the strongest math results at about 100% proficiency. The other reported groups range from about 60% to 87%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 70.9% to 79.2% across the grades shown. Overall, the school’s math results rank in the top 4% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 18.1-point math income gap is narrower than the 19.2-point gap at a typical California 6–8 school. It narrowed over the period shown.
English Learners vs English Native
31.3% of English learners meet the math standard, compared with 76.8% 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 M. H. Stanley Middle rank in California?
M. H. Stanley Middle ranks No. 90 of 1,204 in reading and No. 48 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does M. H. Stanley Middle compare with other schools in Contra Costa County?
M. H. Stanley Middle is No. 9 in reading and No. 5 in math proficiency among the 37 6–8 schools in Contra Costa County with 2026 results.
Explore schools in Contra Costa County
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