Los Altos High School, abbreviated as LAHS, is a WASC-accredited public senior high school located in Los Altos, California, United States, in the heart of Silicon Valley.
Serving 2,170 students in grades 9-12, Los Altos High School ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 70% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 85% (which is higher than the California state average of 47%).
The student-teacher ratio of 18:1 is lower than the California state level of 21:1.
Minority enrollment is 71% of the student body (majority Asian), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,170 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 71%
- Graduation Rate: 96% (Top 10% in CA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 70% (Top 10%)
- Reading Proficiency: 85% (Top 5%)
- Science Proficiency: 67% (Top 5%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Los Altos High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Los Altos High School's student population of 2,170 students has stayed relatively flat over five school years.
The teacher population of 120 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,170 students
Total Classroom Teachers
120 teachers
Year Founded
1954
Colors
White, Blue, Grey
School Calendar
School Rankings
Los Altos High School ranks within the top 5% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Los Altos High School is 0.74, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#413 out of 9523 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
70%
34%
Reading/Language Arts Test Scores (% Proficient)
85%
47%
Science Test Scores (% Proficient)
67%
29%
Student-Teacher Ratio
18:1
21:1
American Indian
n/a
1%
Asian
30%
12%
Hispanic
28%
56%
Black
1%
5%
White
29%
20%
Hawaiian
1%
n/a
Two or more races
11%
6%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
16%
54%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Eagle
Frequently Asked Questions
What is Los Altos High School's ranking?
Los Altos High School is ranked #413 out of 9,523 schools, which ranks it among the top 5% of public schools in California.
What schools are Los Altos High School often compared to?
Los Altos High Schoolis often viewed alongside schools like Mountain View High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70% of students have achieved math proficiency (compared to the 34% CA state average), while 85% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Los Altos High School?
The graduation rate of Los Altos High School is 96%, which is higher than the California state average of 87%.
How many students attend Los Altos High School?
2,170 students attend Los Altos High School.
What is the racial composition of the student body?
30% of Los Altos High School students are Asian, 29% of students are White, 28% of students are Hispanic, 11% of students are Two or more races, 1% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Los Altos High School?
Los Altos High School has a student ration of 18:1, which is lower than the California state average of 21:1.
What grades does Los Altos High School offer ?
Los Altos High School offers enrollment in grades 9-12
What school district is Los Altos High School part of?
Los Altos High School is part of Mountain View-Los Altos Union High School District.
In what neighborhood is Los Altos High School located?
Los Altos High School is located in the North Los Altos neighborhood of Los Altos, CA. There are 4 other public schools located in North Los Altos.
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