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Los Altos High School

15325 E. Los Robles Ave.
Hacienda Heights, CA 91745
(School attendance zone shown in map)
View full size Get directions
Tel: (626) 934-5400
lahs.hlpschools.org
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Los Altos High School serves 1,741 students in grades 9-12.
The percentage of students achieving proficiency in math is 23% (which is lower than the California state average of 40%) for the 2018-19 school year. The percentage of students achieving proficiency in reading/language arts is 59% (which is higher than the California state average of 51%) for the 2018-19 school year.
The student:teacher ratio of 25:1 is higher than the California state level of 22:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the California state average of 78% (majority Hispanic).

Quick Stats (2023)

  • Grades: 9-12
  • Enrollment: 1,741 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 96%
  • Graduation Rate
    : 98% (Top 5% in CA)
  • Math Proficiency
    : 23%
  • Reading Proficiency
    : 59%
  • 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
Graduation Rate
Highest graduation rate (Top 5%)

School Overview

Los Altos High School's student population of 1,741 students has declined by 5% over five school years.
The teacher population of 71 teachers has declined by 5% over five school years.
Grades Offered
Grades 9-12
Total Students
1,741 students
This chart display total students of Los Altos High School by year, with the latest 2020-21 school year data.
Gender %
This chart display gender of Los Altos High School
Total Classroom Teachers
71 teachers
This chart display the total teachers of Los Altos High School by year, with the latest 2020-21 school year data.
Students by Grade
This chart display the students of Los Altos High School by grade.
School Calendar
Link to School Calendar

School Rankings

The diversity score of Los Altos High School is 0.25, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2020-2021 School Year Data
This School
State Level (CA)
Math Test Scores (% Proficient)
(18-19)
23%
40%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Los Altos High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2018-19 school year data.
Reading/Language Arts Test Scores (% Proficient)
(18-19)
59%
51%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Los Altos High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2018-19 school year data.
Student : Teacher Ratio
25:1
22:1
This chart display the student teacher ratio of Los Altos High School and the public school average student teacher ratio of California by year, with the latest 2020-21 school year data.
American Indian
n/a
n/a
This chart display the percentage of American Indian students in Los Altos High School and percentage of American Indian public school students in California by year, with the latest 1997-98 school year data.
Asian
8%
12%
This chart display the percentage of Asian students in Los Altos High School and the percentage of Asian public school students in California by year, with the latest 2020-21 school year data.
Hispanic
86%
56%
This chart display the percentage of Hispanic students in Los Altos High School and the percentage of Hispanic public school students in California by year, with the latest 2020-21 school year data.
Black
1%
5%
This chart display the percentage of Black students in Los Altos High School and the percentage of Black public school students in California by year, with the latest 2020-21 school year data.
White
4%
22%
This chart display the percentage of White students in Los Altos High School and the percentage of White public school students in California by year, with the latest 2020-21 school year data.
Hawaiian
n/a
n/a
This chart display the percentage of Hawaiian students in Los Altos High School and the percentage of Hawaiian public school students in California by year, with the latest 2011-12 school year data.
Two or more races
1%
5%
This chart display the percentage of students of two or more races in Los Altos High School and the percentage of public school students of two or more races in California by year, with the latest 2020-21 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Los Altos High School.
This chart display the percentage breakdown of public school students of all ethnic groups in CA.
Diversity Score
0.25
0.63
This chart display the diversity score of Los Altos High School and the public school average diversity score of California by year, with the latest 2020-21 school year data.
Graduation Rate
98%
85%
This chart display graduation rate of Los Altos High School and public school graduation rate of California by year, with the latest 2019-20 school year data.
Eligible for Free Lunch
57%
53%
This chart display the percentage of students who is eligible for free lunch in Los Altos High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2020-21 school year data.
Eligible for Reduced Lunch
16%
6%
This chart display the percentage of students who is eligible for reduced lunch in Los Altos High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2020-21 school year data.
School Statewide Testing
View Education Department Test Scores
School District Name
Hacienda La Puente Unified School District
Source: 2020-2021 (latest school year available) National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Los Altos High School's ranking?

Los Altos High School ranks among the top 20% of public schools in California for: Highest graduation rate (Top 5%).

What percent of students have achieved state testing proficiency in math and reading?

23% of students have achieved math proficiency (compared to the 40% CA state average), while 59% of students have achieved reading proficiency (compared to the 51% CA state average).

What is the graduation rate of Los Altos High School?

The graduation rate of Los Altos High School is 98%, which is higher than the California state average of 85%.

How many students attend Los Altos High School?

1,741 students attend Los Altos High School.

What is the racial composition of the student body?

86% of Los Altos High School students are Hispanic, 8% of students are Asian, 4% of students are White, 1% of students are Black, and 1% of students are Two or more races.

What is the student:teacher ratio of Los Altos High School?

Los Altos High School has a student ration of 25:1, which is higher than the California state average of 22:1.

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 Hacienda La Puente Unified School District.

School Reviews

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Quick Stats (2023)

  • Grades: 9-12
  • Enrollment: 1,741 students
  • Student:Teacher Ratio: 25:1
  • Minority Enrollment: 96%
  • Graduation Rate
    : 98% (Top 5%)
  • Math Proficiency
    : 23%
  • Reading Proficiency
    : 59%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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