Excellent
#1487 of 9,539 schools in CA
Top 16% in state
Mountain House High
High School · Lammersville Joint Unified · Mountain House, CA
A Lammersville Joint Unified high school serving grades 9th – 12th.
111 De Anza Blvd., Mountain House, CA 95391
- Math 60% vs CA 32% (2024)
- Reading 74% vs CA 52% (2024)
- 98.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
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Students at Mountain House High score 67% proficient, which is below what's typical for similar communities (expected: 67%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
→ SteadyProficiency is up 11 points across the 10-year record (2015–2024) and has held near 67% recently.
Show all 8 years
Multi-year averages used by the rating model: math 52% (multi-year average, 2015-2024) · reading/ELA 76% (multi-year average, 2015-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 18 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
12.8%
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 rateThe neighborhood
Where Mountain House High 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 27Somewhat Bikeable
- County Safety: Average339/100K
Powered by
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
Compare nearby
Nearby same-level schools
2 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Zaytech AcademyPrivate · tuition | Not rated | K–9 | 1.1 mi | 48 | Compare → |
| John C. Kimball HighEnrollment path unverified | 6.7 | 9–12 | 4.5 mi | 1,654 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
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
- #5 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
Mountain House High is listed in Lammersville Joint Unified; a district label does not verify attendance for an address.
About Mountain House High
Mountain House High is a public high school in Mountain House, CA, part of Lammersville Joint Unified, serving approximately 2,275 students in grades 9th-12th with a 23.7:1 student-teacher ratio. It holds a MySchoolScout rating of 8.0 out of 10 and ranks #1,487 of 9,539 schools in CA. State assessment records show 52% math proficiency (multi-year average, 2015-2024) and 76% reading/ELA proficiency (multi-year average, 2015-2024).
Frequently asked questions
Common questions about Mountain House High
What grades does Mountain House High serve?
Mountain House High serves students in grades 9th through 12th.
How many students attend Mountain House High?
Mountain House High has an enrollment of approximately 2,275 students.
What is the student-teacher ratio at Mountain House High?
The student-teacher ratio at Mountain House High is 23.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mountain House High rank in CA?
Mountain House High ranks #1,487 of 9,539 schools in CA.
What is Mountain House High's MySchoolScout rating?
Mountain House High has a current MySchoolScout rating of 8.0 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 Mountain House High?
Based on loaded state assessment records, Mountain House High has 52% math proficiency (multi-year average, 2015-2024) and 76% reading/ELA proficiency (multi-year average, 2015-2024).
Is Mountain House High a charter school?
No, Mountain House High is not a charter school. It is a traditional public school operated by the local school district.
Is Mountain House High a Title I school?
No, Mountain House High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mountain House High?
12.8% of students at Mountain House High 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
- 9th – 12th
- Enrollment
- 2,275
- Student-Teacher Ratio
- 23.7:1
- Teachers (FTE)
- 96
- Type
- regular
- Setting
- Midsize Suburb
- County
- San Joaquin County
- Chronic Absenteeism (SY 2022-23)
- 10.3%
- Phone
- (209) 836-7460
- 4-Year Graduation
- 98.0%
- 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, 2015-2024; directory SY 2023–24
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