Sebastian Questa Elementary
Mountain House, CA · Lammersville Joint Unified
Regular public school · Grades K-8 · Suburb, midsize
517th of 5,659 California elementary schools statewide · better than 91%▲ Improving
685 North Montebello St., Mountain House, CA 95391
(209) 836-7230Official website ↗NCES ID 060141012551Directory 2023–24
SchoolRow ranks Sebastian Questa Elementary 517th of 5,659 California elementary schools for 2024–25, based on CAASPP 2024–25 English and Math results — better than 91% of elementary schools statewide. Its statewide percentile went from 79th in 2015 to 91th in 2025 — improving.
Percent meeting or exceeding the state standard, CAASPP 2024–25 · 563 students tested
Racial and ethnic breakdown of 858 students (2023–24, NCES) — history since 2011, with comparable seven-category changes from 2010
| Group | Trend | 2011 | 2023 | Change |
|---|---|---|---|---|
| Asian | 42.1% | 62.6% | ▲ 20.5 pts | |
| Hispanic | 18.1% | 12.5% | ▼ 5.6 pts | |
| White | 23.0% | 10.4% | ▼ 12.6 pts | |
| Two or more races | 5.0% | 8.9% | ▲ 3.9 pts | |
| Black | 9.8% | 3.8% | ▼ 6.0 pts | |
| American Indian | 1.2% | 1.6% | ▲ 0.4 pts | |
| Pacific Islander | 0.8% | 0.2% | ▼ 0.6 pts |
Typical home value $914K in zip 95391 as of 2026-05 · trend since 2008
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than Sebastian Questa Elementary
- #835Altamont ElementaryLammersville Joint Unified · 0.5 mi away835th of 5,659
ELA 70% ▼5 · Math 64% ▼8Compare - #732Bethany ElementaryLammersville Joint Unified · 1.1 mi away732nd of 5,659
ELA 70% ▼5 · Math 68% ▼4Compare - #198Hansen ElementaryLammersville Joint Unified · 1.1 mi away198th of 5,659
ELA 81% ▲6 · Math 82% ▲10Compare - #1075Wicklund ElementaryLammersville Joint Unified · 1.2 mi away1,075th of 5,659
ELA 67% ▼8 · Math 59% ▼13Compare - –Mountain House ElementaryMountain House Elementary · 1.5 mi awayCompare
- #59Julius Cordes ElementaryLammersville Joint Unified · 1.9 mi away59th of 5,659
ELA 87% ▲12 · Math 88% ▲16Compare - #266Evelyn Costa ElementaryLammersville Joint Unified · 2.3 mi away266th of 5,659
ELA 80% ▲5 · Math 79% ▲7Compare - #2321Lammersville ElementaryLammersville Joint Unified · 3.2 mi away2,321st of 5,659
ELA 49% ▼26 · Math 42% ▼30Compare
What school district is Sebastian Questa Elementary in?
Sebastian Questa Elementary is part of the Lammersville Joint Unified district in Mountain House, California.
Is Sebastian Questa Elementary a good school?
SchoolRow ranks Sebastian Questa Elementary 517th of 5,659 California elementary schools (better than 91% statewide) based on 2024–25 test results (CAASPP 2024–25).
What is the racial makeup of Sebastian Questa Elementary?
Asian 63%, Hispanic 13%, White 10%, Two or more races 9% (858 students, 2023–24).
How much do homes near Sebastian Questa Elementary cost?
The typical home value in zip code 95391 is $914K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.