Excellent
#1342 of 9,539 schools in CA
Top 14% in state
Las Lomas High
High School · Acalanes Union High · Walnut Creek, CA
An Acalanes Union High high school where students score 3 points below what's typical for similar communities.
1460 South Main St., Walnut Creek, CA 94596
- Math 53% vs CA 32% (2024)
- Reading 73% vs CA 52% (2024)
- 97.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Las Lomas High score 63% proficient, which is below what's typical for similar communities (expected: 66%).
2024 CAASPP proficiency
Most recent published year. School vs. CA average.
Trend
↓ DecliningProficiency has fallen 6 points since 2019, to 63% in 2024, across a 16-year record (2009–2024).
Show all 14 years
Multi-year averages used by the rating model: math 65% (multi-year average, 2009-2024) · reading/ELA 79% (multi-year average, 2009-2024)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 30 test records from CA state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
14.1%
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 Las Lomas High sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →
Getting around & local context
- Walk 79Very Walkable
- Transit 32Some Transit
- Bike 71Very Bikeable
- City Safety: High3,181/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Walnut Creek), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$137,660
Median home value
$1,245,000
Median rent
$2,471/mo
College educated
69.5%
Homeownership
44.9%
Poverty rate
6.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94596; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Cedar Life AcademyPrivate · tuition | Not rated | 1–12 | 1.2 mi | 320 | Compare → |
| Fusion Academy Walnut Creek DowntownPrivate · tuition | Not rated | 6–12 | 1.2 mi | 26 | Compare → |
| Fusion Academy Walnut Creek DowntownPrivate · tuition | 7.9private | 6–12 | 1.2 mi | 80 | Compare → |
| Acalanes Center for Independent StudyEnrollment path unverified | 7.5 | 9–12 | 1.5 mi | 51 | 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.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Acalanes Union High
- Schools in district
- 5
- Rank in district
- #4 of 5
- District spending per student
- $19,127NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 2.9%Census SAIPE · 2024
Las Lomas High is listed in Acalanes Union High; a district label does not verify attendance for an address.
About Las Lomas High
Las Lomas High is a public high school in Walnut Creek, CA, part of Acalanes Union High, serving approximately 1,568 students in grades 9th-12th with a 20.1:1 student-teacher ratio. It holds a MySchoolScout rating of 8.1 out of 10 and ranks #1,342 of 9,539 schools in CA. State assessment records show 65% math proficiency (multi-year average, 2009-2024) and 79% reading/ELA proficiency (multi-year average, 2009-2024).
Frequently asked questions
Common questions about Las Lomas High
What grades does Las Lomas High serve?
Las Lomas High serves students in grades 9th through 12th.
How many students attend Las Lomas High?
Las Lomas High has an enrollment of approximately 1,568 students.
What is the student-teacher ratio at Las Lomas High?
The student-teacher ratio at Las Lomas High is 20.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Las Lomas High rank in CA?
Las Lomas High ranks #1,342 of 9,539 schools in CA.
What is Las Lomas High's MySchoolScout rating?
Las Lomas High has a current MySchoolScout rating of 8.1 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 Las Lomas High?
Based on loaded state assessment records, Las Lomas High has 65% math proficiency (multi-year average, 2009-2024) and 79% reading/ELA proficiency (multi-year average, 2009-2024).
Is Las Lomas High a charter school?
No, Las Lomas High is not a charter school. It is a traditional public school operated by the local school district.
Is Las Lomas High a Title I school?
No, Las Lomas High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Las Lomas High?
14.1% of students at Las Lomas 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
- 1,568
- Student-Teacher Ratio
- 20.1:1
- Teachers (FTE)
- 78
- Type
- regular
- Setting
- Small City
- County
- Contra Costa County
- Chronic Absenteeism (SY 2022-23)
- 12.0%
- Phone
- (925) 280-3920
- 4-Year Graduation
- 97.0%
- Area population (ZIP 94596)
- 23,592
- Area average commute
- 32 min
- Area median age
- 37.5
Official sources & links
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 94596; 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, 2009-2024; directory SY 2023–24
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