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Email BoardSebastian Questa Elementary
685 North Montebello Street, Mountain House, CA 95391-1241
Summary
Sebastian Questa Elementary is a good school.
Reading and math results average to the 94th percentile among comparable California schools.
71.3% of students met California's reading standard, but it is trending down slightly.
71.1% of students met California's math standard, which is strong statewide and is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 71.3% |
| Current Math Proficiency | 71.1% |
| Reading State Rank | 135/1,734 (92nd percentile) |
| Math State Rank | 65/1,735 (96th percentile) |
School information
| Student / Teacher Ratio | 22:1 |
| Student enrollment (2024–25) | 822 |
| Low-Income Students | 70 (8.5%) |
| English Learners | 126 (15.3%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 4.0 points from last year and fell 2.3 points over the full period. Math fell 1.2 points from last year and rose 0.8 points over the full period.
•Math +0.8 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Filipino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 62.7% to 83.2% 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 27.5-point reading income gap is wider than the 16.5-point gap at a typical California K–8 school. It widened over the period shown.
•English Learners vs English Native
35.8% of English learners meet the reading standard, compared with 65.7% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 83% proficiency. The other reported groups range from about 35% to 69%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 65.3% to 77.2% 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 38.2-point math income gap is wider than the 15.5-point gap at a typical California K–8 school. It widened over the period shown.
•English Learners vs English Native
29.4% of English learners meet the math standard, compared with 66.9% 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 802 schools for reading and 801 for math. The comparison uses 2026 California K–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 Sebastian Questa Elementary compare within the district?
Sebastian Questa Elementary is No. 6 in reading and No. 4 in math proficiency among the 8 K–8 schools in Lammersville Joint Unified with 2026 results.
Explore the district’s schoolsHow does Sebastian Questa Elementary rank in California?
Sebastian Questa Elementary ranks No. 135 of 1,734 in reading and No. 65 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Sebastian Questa Elementary compare within the district?
Low-income students here rank No. 6 in both subjects among 8 K–8 district schools with reportable 2026 results for this group. 46.8% meet the reading standard and 37.1% meet the math standard.
See results by student groupHow does Sebastian Questa Elementary compare with other schools in Mountain House?
Sebastian Questa Elementary is No. 6 in reading and No. 4 in math proficiency among the 7 K–8 schools in Mountain House with 2026 results.
Explore schools in Mountain HouseHow does Sebastian Questa Elementary compare with other schools in San Joaquin County?
Sebastian Questa Elementary is No. 9 in reading and No. 5 in math proficiency among the 102 K–8 schools in San Joaquin County with 2026 results.
Explore schools in San Joaquin CountyWhich schools should I compare?
Schools serving K–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Sebastian Questa ElementaryThis school | 71.1% | 71.3% |
| Altamont Elementary | 62.8% | 72.3% |
| Bethany Elementary | 65.3% | 71.5% |
