Las Lomas High
1460 South Main Street, Walnut Creek, CA 94596-5319
Summary
Reading and math results average to the 82nd percentile among comparable California schools.
67.0% of students met California's reading standard, but it is trending down.
50.8% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 67.0% |
| Current Math Proficiency | 50.8% |
| Reading State Rank | 397/1,596 (75th percentile) |
| Math State Rank | 191/1,596 (88th percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 1,577 |
| Low-Income Students | 246 (15.6%) |
| English Learners | 114 (7.2%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 4.1 points from last year and fell 6.4 points over the full period. Math fell 5.7 points from last year and fell 2.5 points over the full period.
•Math -2.5 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races and Asian students have the strongest results.
Distribution of Scores by Grade
67.0% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 25% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 26.2-point reading income gap is wider than the 14.7-point gap at a typical California 9–12 school. It widened slightly over the period shown.
•English Learners vs English Native
4.2% of English learners meet the reading standard, compared with 69.2% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Two or more races students have the strongest math results at about 73% proficiency. The other reported groups range from about 17% to 64%.
Distribution of Scores by Grade
50.8% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 12% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 30.2-point math income gap is wider than the 14.2-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
8.3% of English learners meet the math standard, compared with 52.3% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Las Lomas High compare within the district?
Las Lomas High is No. 4 in both reading and math proficiency among the 4 9–12 schools in Acalanes Union High with 2026 results.
Explore the district’s schoolsHow does Las Lomas High rank in California?
Las Lomas High ranks No. 397 of 1,596 in reading and No. 191 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Las Lomas High compare within the district?
Low-income students here rank No. 3 in both subjects among 3 9–12 district schools with reportable 2026 results for this group. 44.6% meet the reading standard and 25.0% meet the math standard.
See results by student groupHow does Las Lomas High compare with other schools in Walnut Creek?
Las Lomas High is No. 2 in both reading and math proficiency among the 2 9–12 schools in Walnut Creek with 2026 results.
Explore schools in Walnut CreekHow does Las Lomas High compare with other schools in Contra Costa County?
Las Lomas High is No. 13 in reading and No. 10 in math proficiency among the 31 9–12 schools in Contra Costa County with 2026 results.
Explore schools in Contra Costa CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Las Lomas HighThis school | 50.8% | 67.0% |
| Acalanes High | 70.3% | 85.2% |
| Campolindo High | 76.7% | 88.4% |
