How does Los Altos High compare to other high schools in Los Altos?

Los Altos High has a SchoolScope composite score of 80.5/100, placing it at the 98th percentile statewide. 52% of students exceed standard, with a total of 1,026 students tested across grades and subjects.

What percentage of students exceed standards at Los Altos High?

52.5% of students at Los Altos High exceed the state standard on CAASPP assessments, while 73.8% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Los Altos High?

10.6% of students at Los Altos High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Los Altos High

High School

Mountain View-Los Altos Union High Los AltosSanta Clara County94022

📍 201 Almond Avenue

Composite Score

out of 100

State Percentile

of high schools

State Rank

of 1,739 California high schools

⭐

High Ceiling

A high-ceiling school — students here are pushed to exceed, not just meet, the standard.

Composite scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

2,114 students

Student-Teacher Ratio

19:1

Free/Reduced Lunch

15%

Teachers

113 full-time

College & career readiness

Graduation Rate

96.9%

AP Exam Prepared

89.2%

A-G Completion

83.5%

College-Going Rate

88.1%

Data source: California Department of Education — ACGR, CCI, CGR reports

Dashboard indicators

ELA Year-over-Year

Increased Significantly

+15.5 pts DFS change

Math Year-over-Year

Increased Significantly

+16.2 pts DFS change

EL Proficiency (ELPAC)

10.1%

English learners at Level 4 (Well Developed) · 149 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic27.4%

White31.7%

Asian29.3%

Black0.8%

Other10.7%

Performance breakdown

Performance breakdown for Los Altos High
Category	Percentage
Exceeded Standard	52.5%
Met Standard	21.4%
Below Standard	26.2%

What other rankings don't show you

Most rating sites report "74% proficient" for Los Altos High and stop there. Here's what that number hides:

52.5% of students exceeded standard while 21.4% met it. That exceeded rate is 37.0 points above the state average of 15.5%. That's 16.7 points above the Mountain View-Los Altos Union High district average of 35.7%. The 2 nearby schools within ~3 miles average 58.0% exceeded — 5.5 points higher. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 96.9% — above the state target. 83.5% of students complete A-G requirements for UC/CSU eligibility — a strong college readiness signal. 88.1% of graduates go on to college within a year.

Chronic absenteeism is 10.6%, better than the state average of 34.0%.

Why the exceeded vs. met split matters →