Very Good
#2783 of 9,533 schools in CA
Top 29% in state
Sebastian Questa Elementary
Elementary School · Lammersville Joint Unified
685 North Montebello St., Mountain House, CA 95391
Enrollment
858
Student-Teacher
22.6:1
Score
7.2
Grades
Kindergarten – 8th
Enrollment
858
Student-Teacher
22.6:1
Score
7.2
Grades
Kindergarten – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Mountain House
#4 of 7
public schools
California elementary schools
#1,873 of 5,817
In district
#4 of 8
Lammersville Joint Unified
Equity
9.0 / 10
Exceptional
About Sebastian Questa Elementary
Sebastian Questa Elementary serves 858 students in kindergarten through eighth grade in Mountain House, California. This regular public school maintains a student-teacher ratio of 22.6:1 with 38 full-time equivalent teachers on staff. The school demonstrates strong academic performance, earning an impressive 8.3 out of 10 MySchoolScout rating and ranking #692 out of 9,566 California schools, placing it in the 93rd percentile statewide.
Students achieve solid proficiency rates with 73% meeting or exceeding standards in English Language Arts and 70% in mathematics across all grade levels tested. Sebastian Questa Elementary benefits from its location in an affluent and educated community. The surrounding Mountain House area has a median household income of $166,643 and a median home value of $737,600.
Nearly half of local residents hold bachelor's degrees or higher, while the poverty rate remains notably low at just 3.5%. With nearly 24,000 residents in the immediate area, Mountain House provides a supportive environment for families prioritizing education. The school's strong academic results reflect both the dedicated teaching staff and the engaged community that surrounds it.
Sebastian Questa Elementary operates in a mid-size suburban setting that combines modern amenities with a family-focused atmosphere.
What Parents Should Know
The student-teacher ratio at Sebastian Questa Elementary is 22.6:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
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Sebastian Questa Elementary — Students at Sebastian Questa Elementary score 72% proficient, which is above what's typical for similar communities (expected: 70%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
9.2%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 16 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.0/10.
How Sebastian Questa Elementary Compares
See how Sebastian Questa Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 72% (2019) to 70.32% (2024). Reading/ELA proficiency has remained stable from 72% (2019) to 73.58% (2024).
Location
685 North Montebello St., Mountain House, CA 95391
Nearby Alternatives
Families considering Sebastian Questa Elementary may also want to explore other elementary schools in the area. Hansen Elementary (rated 7.8/10, 1.9 miles away), which scores slightly higher. Another option is Altamont Elementary (rated 7.7/10, 0.4 miles away), which scores slightly higher. Additionally, Wicklund Elementary (rated 6.9/10, 1.3 miles away), with a very similar rating. For more schools in Mountain House, see our Mountain House schools guide .
Nearby Schools
20 within 6.9 mi| School | Distance | Rating |
|---|---|---|
| Altamont Elementary Mountain House | 0.4 mi | 7.7 |
| Bethany Elementary Mountain House | 1.1 mi | 5.7 |
| Wicklund Elementary Mountain House | 1.3 mi | 6.9 |
| Zaytech Academy Mountain House | 1.4 mi | — |
| Mountain House High Mountain House | 1.7 mi | 7.6 |
| Mountain House Elementary Byron | 1.4 mi | — |
| Hansen Elementary Mountain House | 1.9 mi | 7.8 |
| Julius Cordes Elementary Mountain House | 2.0 mi | 6.3 |
| Lammersville Elementary Tracy | 3.3 mi | 4.6 |
| John C. Kimball High Tracy | 5.7 mi | 7.0 |
| Art Freiler Tracy | 5.7 mi | 6.7 |
| Tracy Independent Study Charter Tracy | 6.0 mi | 3.2 |
| Melville S. Jacobson Elementary Tracy | 6.1 mi | 5.3 |
| George Kelly Elementary Tracy | 6.6 mi | 6.4 |
| Merrill F. West High Tracy | 6.4 mi | 4.7 |
| WEST VALLEY CHRISTIAN ACADEMY Tracy | 6.6 mi | 6.0 |
| BELLA VISTA CHRISTIAN ACADEMY Tracy | 6.7 mi | 6.0 |
| Louis J. Villalovoz Elementary Tracy | 7.0 mi | 4.7 |
| Monte Vista Middle Tracy | 6.9 mi | 7.8 |
| McKinley Elementary Tracy | 6.9 mi | 6.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 95391 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$171,510
Median Home Value
$859,600
Median Rent
$3,232/mo
Population
25,193
College Educated
50.7%
Homeownership
73.2%
Avg Commute
54.7 min
Poverty Rate
2.7%
Median Age
34.2
Community Profile
The community surrounding Sebastian Questa Elementary has a median household income of $171,510. It is a well-educated community where 51% of adults hold a bachelor's degree or higher. The median home value in the area is $859,600, with a median rent of $3,232/month. The local poverty rate of 2.7% is relatively low. The average commute in the area is 55 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alpha Elementary Madera, CA | 7.2 |
| Alta Vista Elementary Los Gatos, CA | 7.2 |
| Andrew Jackson Elementary Selma, CA | 7.2 |
| Arlene Hein Elementary Elk Grove, CA | 7.2 |
| Arma J. Shull Elementary San Dimas, CA | 7.2 |
| Beechwood Elementary Fullerton, CA | 7.2 |
Frequently Asked Questions
Common questions about Sebastian Questa Elementary
What grades does Sebastian Questa Elementary serve?
Sebastian Questa Elementary serves students in grades Kindergarten through 8th.
How many students attend Sebastian Questa Elementary?
Sebastian Questa Elementary has an enrollment of approximately 858 students.
What is the student-teacher ratio at Sebastian Questa Elementary?
The student-teacher ratio at Sebastian Questa Elementary is 22.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Sebastian Questa Elementary rank in CA?
Sebastian Questa Elementary is ranked #2783 out of 9,533 schools in CA.
What is Sebastian Questa Elementary's MySchoolScout rating?
Sebastian Questa Elementary has a composite rating of 7.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Sebastian Questa Elementary?
Based on the most recent state assessment data, Sebastian Questa Elementary has 70.5% math proficiency and 73.2% reading/ELA proficiency.
Is Sebastian Questa Elementary a charter school?
No, Sebastian Questa Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Sebastian Questa Elementary a Title I school?
No, Sebastian Questa Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Sebastian Questa Elementary?
9.2% of students at Sebastian Questa Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 8th
- Enrollment
- 858
- Student-Teacher Ratio
- 22.6:1
- Teachers (FTE)
- 38
- Free/Reduced Lunch
- 9.2%
- Type
- regular
- Setting
- Midsize Suburb
- County
- San Joaquin County
- Phone
- (209) 836-7230
- Data Year
- 2023–2024
Resources & Links
District
Lammersville Joint Unified- District Enrollment
- 7,764
- Schools in District
- 9
- Per-Pupil Spending
- $11,535
- District Rank
- #4 of 8
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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