Very Good
#1808 of 9,533 schools in CA
Top 19% in state
Las Lomas High
High School · Acalanes Union High
1460 South Main St., Walnut Creek, CA 94596
Enrollment
1,568
Student-Teacher
20.1:1
Score
7.7
Grades
9th – 12th
Enrollment
1,568
Student-Teacher
20.1:1
Score
7.7
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Walnut Creek
#2 of 16
public schools
California high schools
#312 of 1,892
In district
#3 of 5
Acalanes Union High
Equity
8.3 / 10
Very strong
About Las Lomas High
Las Lomas High serves 1,568 students in grades 9-12 in Walnut Creek, California, earning recognition as one of the state's top-performing public high schools. With a MySchoolScout rating of 8.2 out of 10 and ranking in the 91st percentile statewide at #834 out of 9,566 California schools, the school demonstrates strong academic achievement across its student body. The school's 78 full-time equivalent teachers maintain a 20.1:1 student-teacher ratio, supporting solid educational outcomes.
Students perform particularly well in English Language Arts, with 73% achieving proficient or above levels, while 53% reach proficiency in mathematics. These results reflect the school's commitment to preparing students for post-secondary success. Las Lomas High sits in an affluent community where 71% of residents hold bachelor's degrees or higher, and the median household income reaches $135,422.
This educated, stable neighborhood environment, with a low 6% poverty rate, provides additional support for student achievement. The area's median home value of $1.24 million reflects the desirability of this Contra Costa County location. Located on South Main Street in the heart of Walnut Creek, Las Lomas High benefits from its small city setting, offering students access to both academic excellence and the advantages of a well-established, education-focused community.
What Parents Should Know
The student-teacher ratio at Las Lomas High is 20.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Las Lomas High — Students at Las Lomas High score 63% proficient, which is below what's typical for similar communities (expected: 67%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
14.1%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.5/10.
How Las Lomas High Compares
See how Las Lomas High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 58% (2019) to 53.32% (2024). Reading/ELA proficiency has declined from 80% (2019) to 73.4% (2024).
Location
1460 South Main St., Walnut Creek, CA 94596
Nearby Alternatives
Families considering Las Lomas High may also want to explore other high schools in the area. FUSION ACADEMY WALNUT CREEK DOWNTOWN (rated 7.9/10, 1.2 miles away), with a very similar rating. Additionally, Acalanes Center for Independent Study (rated 5.0/10, 1.5 miles away), a more accessible option. For more schools in Walnut Creek, see our Walnut Creek schools guide .
Nearby Schools
20 within 2.2 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 94596 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$137,660
Median Home Value
$1,245,000
Median Rent
$2,471/mo
Population
23,592
College Educated
69.5%
Homeownership
44.9%
Avg Commute
32 min
Poverty Rate
6.2%
Median Age
37.5
Community Profile
The community surrounding Las Lomas High has a median household income of $137,660. It is a well-educated community where 70% of adults hold a bachelor's degree or higher. The median home value in the area is $1,245,000, with a median rent of $2,471/month. The local poverty rate of 6.2% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Alhambra High Alhambra, CA | 7.7 |
| Bonita High San Dimas, CA | 7.7 |
| Cerritos High Cerritos, CA | 7.7 |
| Del Oro High Loomis, CA | 7.7 |
| Fresno High Fresno, CA | 7.7 |
| Marina High Huntington Beach, CA | 7.7 |
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 is ranked #1808 out of 9,533 schools in CA.
What is Las Lomas High's MySchoolScout rating?
Las Lomas High has a composite rating of 7.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Las Lomas High?
Based on the most recent state assessment data, Las Lomas High has 57.7% math proficiency and 77.5% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
- Walk Score
- 79 Very Walkable
- Transit Score
- 32 Some Transit
- Bike Score
- 71 Very Bikeable
- City Safety
- High (3,181/100K)
Powered by 
FBI UCR 2024. City-level (Walnut Creek). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,568
- Student-Teacher Ratio
- 20.1:1
- Teachers (FTE)
- 78
- Free/Reduced Lunch
- 14.1%
- Type
- regular
- Setting
- Small City
- County
- Contra Costa County
- Phone
- (925) 280-3920
- Data Year
- 2023–2024
Resources & Links
District
Acalanes Union High- District Enrollment
- 5,415
- Schools in District
- 5
- Per-Pupil Spending
- $19,127
- District Rank
- #3 of 5
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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