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Average

#4304 of 9,539 schools in CA

Top 45% in state

Los Altos High

High School · Hacienda la Puente Unified

15325 East Los Robles Ave., Hacienda Heights, CA 91745

Enrollment

1,574

Student-Teacher

23.5:1

Score

6.6

Grades

9th – 12th

Data vintage2022-23

How this school compares

California schools

#4,304 of 9,539

In Hacienda Heights

#8 of 16

public schools

In district

#11 of 32

Hacienda la Puente Unified

Academic performance

7.8 / 10

Very Good

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Los Altos High

6.6/10

High School in Hacienda Heights · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Montessori School of Hacienda Heights

Nearby

0.2 mi away. Use as a geographic alternative in the same move search.

Palm Canyon

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0.3 mi away. Use as a geographic alternative in the same move search.

About Los Altos High

Los Altos High is a public high school in Hacienda Heights, CA, part of Hacienda la Puente Unified. Los Altos High serves approximately 1,574 students, and covers grades 9th-12th, and has a 23.5:1 student-teacher ratio. Los Altos High has a current MySchoolScout rating of 6.6 out of 10 and ranks #4,304 of 9,539 schools in CA.

Structured state assessment records for Los Altos High show 39% math proficiency (multi-year average, 2009-2024) and 61% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares0.6 pts below district
  • This school 6.6 · Average
  • District avg 7.2
  • CA avg 6.5

What Parents Should Know

Los Altos High runs 23.5:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress4.8Below Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change-1.8 pts/yr
Data Period2009–2024
TrendDeclining
Academics7.8Very Good25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency26.1% (2024 CAASPP)
Reading/ELA Proficiency57.1% (2024 CAASPP)
Math vs. State Avg-1.9 pts
Reading vs. State Avg+1.2 pts
Overall Proficiency42% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)31% (model expectation from 2024 CAASPP)
vs. Expected+10.1 pts
Adjusted Percentile67th
College Readiness7.3Very Good30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate97%
AP Participation19.7%
IB ProgramNo
Resources & Environment6.3Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio23.5:1
Per-Pupil Spending$17,425
Chronic Absenteeism20.3%

Los Altos High — Students at Los Altos High score 42% proficient, which is above what's typical for similar communities (expected: 31%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

76.1%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 38.5% (multi-year average, 2009-2024)
School
State
31.8% (2024 CAASPP)
ELA Proficiency 60.6% (multi-year average, 2009-2024)
School
State
51.5% (2024 CAASPP)

Based on 26 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
55%
ELA
56%
2010
Math
60%
ELA
67%
2011
Math
62%
ELA
63%
2012
Math
60%
ELA
63%
2013
Math
64%
ELA
60%
2014
Math
24%
ELA
64%
2015
Math
26%
ELA
62%
2016
Math
25%
ELA
64%
2017
Math
26%
ELA
57%
2018
Math
23%
ELA
59%
2019
Math
23%
ELA
59%
2024
Math
26.1%
ELA
57.1%

Source: EdFacts (NCES) and state assessment data. Growth score: 4.8/10.

How Los Altos High Compares

See how Los Altos High performs across key quality dimensions compared to state benchmarks.

Overall Score
6.6/10
55th percentile in CA
Academic
7.8/10
Very Good
Growth
4.8/10
Below Average
Environment
6.3/10
Average
AP Courses
3
State avg: 2.6
Sports
23
12 boys' · 11 girls'
Advanced STEM
5/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
76%
Teaching Staff
24:1 student-teacher ratio
67 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
20.3%

Programs & Offerings

AP/IB Programs3 AP courses offered
19.7% participation·State avg: 2.6 AP courses·CRDC 2021-22
Athletics23sports offered
12 boys'·11 girls'·51 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

15325 East Los Robles Ave., Hacienda Heights, CA 91745

Nearby Alternatives

Families considering Los Altos High may also want to explore other high schools in the area. Cedarlane Academy (rated 8.8/10, 1.5 miles away), which scores notably higher. Another option is Los Molinos Elementary (rated 8.2/10, 1.7 miles away), which scores notably higher. Additionally, Mesa Robles (rated 8.0/10, 1.3 miles away), which scores notably higher. For more schools in Hacienda Heights, see our Hacienda Heights schools guide .

Nearby Schools

20 within 1.7 mi
School Distance Rating
MONTESSORI SCHOOL OF HACIENDA HEIGHTS Hacienda Heights 0.2 mi
Palm Canyon Hacienda Heights 0.3 mi
Valley Alternative High (Continuation) Hacienda Heights 0.3 mi 6.1
Valley Community Day Hacienda Heights 0.3 mi
Puente Hills High Hacienda Heights 0.3 mi 5.3
Kwis Elementary Hacienda Heights 0.5 mi 5.7
Newton Middle Hacienda Heights 0.7 mi 5.9
ST MARK'S LUTHERAN SCHOOL Hacienda Heights 0.8 mi 6.5
Los Robles Academy Hacienda Heights 0.7 mi 3.3
St. Mark's Lutheran Elementary Hacienda Heights 0.8 mi
Oxford Pentecostal Academy Hacienda Heights 0.8 mi
Palm Elementary Hacienda Heights 0.8 mi 3.8
Goal Get It Hacienda Heights 1.1 mi
Los Altos Elementary Hacienda Heights 1.3 mi 5.6
Orange Grove Middle Hacienda Heights 1.2 mi 4.9
Mesa Robles Hacienda Heights 1.3 mi 8.0
UNITED CHRISTIAN EDUCATION CENTER Hacienda Heights 1.2 mi
Los Molinos Elementary Hacienda Heights 1.7 mi 8.2
Cedarlane Academy Hacienda Heights 1.5 mi 8.8
New Montessori School La Puente 1.7 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91745 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$106,611

Median Home Value

$778,700

Median Rent

$2,246/mo

Population

54,996

College Educated

36%

Homeownership

74%

Avg Commute

34.3 min

Poverty Rate

11.1%

Median Age

43.6

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Angelo Rodriguez High Fairfield, CA 6.6
Arcata High Arcata, CA 6.6
Arroyo Grande High Arroyo Grande, CA 6.6
Cabrillo High Lompoc, CA 6.6
Capuchino High San Bruno, CA 6.6
Cesar E. Chavez High Delano, CA 6.6

Frequently Asked Questions

Common questions about Los Altos High

What grades does Los Altos High serve?

Los Altos High serves students in grades 9th through 12th.

How many students attend Los Altos High?

Los Altos High has an enrollment of approximately 1,574 students.

What is the student-teacher ratio at Los Altos High?

The student-teacher ratio at Los Altos High is 23.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Los Altos High rank in CA?

Los Altos High ranks #4,304 of 9,539 schools in CA.

What is Los Altos High's MySchoolScout rating?

Los Altos High has a current MySchoolScout rating of 6.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Los Altos High?

Based on loaded state assessment records, Los Altos High has 39% math proficiency (multi-year average, 2009-2024) and 61% reading/ELA proficiency (multi-year average, 2009-2024).

Is Los Altos High a charter school?

No, Los Altos High is not a charter school. It is a traditional public school operated by the local school district.

Is Los Altos High a Title I school?

No, Los Altos High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Los Altos High?

76.1% of students at Los Altos High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
21 Car-Dependent
Bike Score
34 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
1,574
Student-Teacher Ratio
23.5:1
Teachers (FTE)
67
Free/Reduced Lunch
76.1%
Type
regular
Setting
Large Suburb
County
Los Angeles County
Chronic Absenteeism (SY 2022-23)
20.3%
4-Year Graduation
97.0%

District

Hacienda la Puente Unified
District Enrollment
15,767
Schools in District
35
Per-Pupil Spending
$17,425
District Rank
#11 of 32

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