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Excellent

#1048 of 9,539 schools in CA

Top 11% in state

Sebastian Questa Elementary

Elementary School · Lammersville Joint Unified · Mountain House, CA

A Lammersville Joint Unified elementary school serving grades Kindergarten – 8th.

685 North Montebello St., Mountain House, CA 95391

  • Math 70% vs CA 37% (2024)
  • Reading 73% vs CA 46% (2024)
  • 22.6:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress9.7Excellent50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data10
Annual Change+0.53 pts/yr
Data Period2011–2024
TrendStable
Academics8.5Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency70.3% (2024 CAASPP)
Reading/ELA Proficiency73.6% (2024 CAASPP)
Math vs. State Avg+24.6 pts
Reading vs. State Avg+30.8 pts
Overall Proficiency72% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)69% (model expectation from 2024 CAASPP)
vs. Expected+2.7 pts
Adjusted Percentile78th
Resources & Environment4.6Below Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio22.6:1
District spending per student$11,535
Chronic Absenteeism15.2%

Students at Sebastian Questa Elementary score 72% proficient, which is above what's typical for similar communities (expected: 69%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency70%(2024 CAASPP)
School
State
37%(2024 CAASPP)
ELA Proficiency73%(2024 CAASPP)
School
State
46%(2024 CAASPP)

Trend

→ Steady

Proficiency has held near 72% across the 14-year record (2011–2024).

Show all 10 years
2011
Math
67%
ELA
74%
2012
Math
67%
ELA
74%
2014
Math
52%
ELA
59%
2015
Math
56%
ELA
62%
2016
Math
59%
ELA
68%
2017
Math
66%
ELA
70%
2018
Math
72%
ELA
72%
2019
Math
72%
ELA
72%
2022
Math
67%
ELA
73%
2024
Math
70%
ELA
73%

Multi-year averages used by the rating model: math 67% (multi-year average, 2011-2024) · reading/ELA 71% (multi-year average, 2011-2024)

Based on 32 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

9.2%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Sebastian Questa Elementary sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 15Car-Dependent
  • Bike 31Somewhat Bikeable
  • County Safety: Average339/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$171,510

Median home value

$859,600

Median rent

$3,232/mo

College educated

50.7%

Homeownership

73.2%

Poverty rate

2.7%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 95391; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Altamont ElementaryEnrollment path unverified8.2K–80.4 mi642Compare →
Bethany ElementaryEnrollment path unverified7.8K–81.1 mi787Compare →
Wicklund ElementaryEnrollment path unverified8.2K–81.3 mi744Compare →
Mountain House ElementaryEnrollment path unverifiedNot ratedK–81.4 mi12Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Lammersville Joint Unified

Schools in district
9
Rank in district
#2 of 8
District spending per student
$11,535NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
3.8%Census SAIPE · 2024

Sebastian Questa Elementary is listed in Lammersville Joint Unified; a district label does not verify attendance for an address.

About Sebastian Questa Elementary

Sebastian Questa Elementary is a public elementary school in Mountain House, CA, part of Lammersville Joint Unified, serving approximately 858 students in grades Kindergarten-8th with a 22.6:1 student-teacher ratio. It holds a MySchoolScout rating of 8.3 out of 10 and ranks #1,048 of 9,539 schools in CA. State assessment records show 67% math proficiency (multi-year average, 2011-2024) and 71% reading/ELA proficiency (multi-year average, 2011-2024).

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 ranks #1,048 of 9,539 schools in CA.

What is Sebastian Questa Elementary's MySchoolScout rating?

Sebastian Questa Elementary has a current MySchoolScout rating of 8.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Sebastian Questa Elementary?

Based on loaded state assessment records, Sebastian Questa Elementary has 67% math proficiency (multi-year average, 2011-2024) and 71% reading/ELA proficiency (multi-year average, 2011-2024).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 8th
Enrollment
858
Student-Teacher Ratio
22.6:1
Teachers (FTE)
38
Type
regular
Setting
Midsize Suburb
County
San Joaquin County
Chronic Absenteeism (SY 2022-23)
15.2%
Area population (ZIP 95391)
25,193
Area average commute
54.7 min
Area median age
34.2
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 95391; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2011-2024; directory SY 2023–24

About our data · How we calculate scores

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