SA
Elementary SchoolsGrades K-8

Sebastian Questa Elementary

Lammersville Joint Unified · San Joaquin County · 685 North Montebello Street, Mountain House, CA 95391-1241

(209) 836-7230 · lammersvilleschooldistrict.net

Compare this school →
10/10
#409
Rank 409 out of 5,722
Top 7%
English Language Arts10/10 · #441 · 92nd percentile
Mathematics10/10 · #384 · 93rd percentile
Science10/10 · #415 · 93rd percentile

English Language Arts

Math Trend

Science Trend

Track Sebastian Questa Elementary

Schools change. Get an email when its test scores or ranking update — about once a year. No spam.

School Overview

Mountain House is one of the Bay Area's most ambitious planned communities, and Sebastian Questa Elementary fits right into that vision — a K-8 school that consistently ranks among the top in California and draws families who moved here specifically for the schools. The community has a tight-knit, newer-suburb feel with well-kept neighborhoods and a real sense of intentional planning, making it a popular landing spot for families priced out of the South Bay but unwilling to compromise on education. If you're looking for strong academics across the board and a school that grows with your kids all the way through 8th grade, Questa is a big part of why people choose Mountain House in the first place.

Student Demographics

556 students tested · 2024-25 school year

Ethnicity

Asian
311 (56%)
Hispanic
64 (12%)
White
62 (11%)
Filipino
53 (10%)
Multiple Races
34 (6%)
African American
20 (4%)
Other
12 (2%)

Key Indicators

English Learners137 (25%)
Socioeconomically Disadvantaged57 (10%)
Students with Disabilities56 (10%)

Staff & Teachers(2024-25)

822
Enrollment
36.9
Teachers (FTE)
22.3:1
Student-Staff Ratio
2
Administrators (FTE)
21.4
Avg Class Size*(2023-24)

Community Enrichment Programs

This supplementary score measures the availability of enrichment programs — such as tutoring, music, dance, sports, and arts — within 3 miles of the school. Schools in communities with more diverse and accessible programs score higher.

Nearby Programs3/10 · #4802 · 21st percentile

21 programs within 3 miles. Ranked among Elementary Schools in California.

Nearby Libraries

No programs found