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Email BoardLos Altos High
201 Almond Avenue, Los Altos, CA 94022-2206
Summary
Los Altos High is a good school.
Reading and math results average to the 93rd percentile among comparable California schools.
77.3% of students met California's reading standard, and it is trending up slightly.
66.5% of students met California's math standard, it is holding steady.
Proficiency stats
| Current Reading Proficiency | 77.3% |
| Current Math Proficiency | 66.5% |
| Reading State Rank | 172/1,596 (89th percentile) |
| Math State Rank | 60/1,596 (96th percentile) |
School information
| Student / Teacher Ratio | 18:1 |
| Student enrollment (2024–25) | 2,170 |
| Low-Income Students | 361 (16.6%) |
| English Learners | 189 (8.7%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 1.5 points from last year and rose 1.0 points over the full period. Math fell 2.3 points from last year and fell 0.1 points over the full period.
•Math -0.1 percentage points (2024–2026)
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Asian students have the strongest results.
Distribution of Scores by Grade
77.3% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 11% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 42.6-point reading income gap is wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
12.1% of English learners meet the reading standard, compared with 90.8% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 93% proficiency. The other reported groups range from about 23% to 84%.
Distribution of Scores by Grade
66.5% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 4% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 52.6-point math income gap is wider than the 14.2-point gap at a typical California 9–12 school. It widened slightly over the period shown.
•English Learners vs English Native
6.1% of English learners meet the math standard, compared with 80.3% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•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 Los Altos High compare within the district?
Los Altos High is No. 2 in both reading and math proficiency among the 2 9–12 schools in Mountain View-Los Altos Union High with 2026 results.
Explore the district’s schoolsHow does Los Altos High rank in California?
Los Altos High ranks No. 172 of 1,596 in reading and No. 60 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 Los Altos High compare within the district?
Low-income students here rank No. 2 in both subjects among 2 9–12 district schools with reportable 2026 results for this group. 43.2% meet the reading standard and 24.5% meet the math standard.
See results by student groupHow does Los Altos High compare with other schools in Santa Clara County?
Los Altos High is No. 14 in reading and No. 12 in math proficiency among the 52 9–12 schools in Santa Clara County with 2026 results.
Explore schools in Santa Clara CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Los Altos HighThis school | 66.5% | 77.3% |
| Mountain View High | 72.6% | 88.3% |
