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

Los Altos High has a SchoolScope composite score of 59.5/100, placing it at the 74th percentile statewide. 17% of students exceed standard, with a total of 700 students tested across grades and subjects.

What percentage of students exceed standards at Los Altos High?

16.7% of students at Los Altos High exceed the state standard on CAASPP assessments, while 47.4% 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?

16.7% 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

Hacienda la Puente Unified Hacienda HeightsLos Angeles County91745

Composite Score

out of 100

State Percentile

of high schools

State Rank

of 1,739 California high schools

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

1,574 students

Student-Teacher Ratio

23:1

Free/Reduced Lunch

76%

Teachers

67 full-time

College & career readiness

Graduation Rate

94.9%

AP Exam Prepared

56.8%

A-G Completion

50.3%

College-Going Rate

75.3%

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

Dashboard indicators

ELA Year-over-Year

Increased

+8.4 pts DFS change

Math Year-over-Year

Increased Significantly

+16.5 pts DFS change

EL Proficiency (ELPAC)

21.1%

English learners at Level 4 (Well Developed) · 123 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic89.5%

White2.5%

Asian5.0%

Black0.4%

Other2.7%

Performance breakdown

Performance breakdown for Los Altos High
Category	Percentage
Exceeded Standard	16.7%
Met Standard	30.7%
Below Standard	52.6%

What other rankings don't show you

Most rating sites report "47% proficient" for Los Altos High and stop there. Here's what that number hides:

16.7% of students exceeded standard while 30.7% met it. That exceeded rate is near the state average of 15.5%. That's near the Hacienda la Puente Unified district average of 17.9%. Nearby schools (within ~3 miles) average 15.5% exceeded — about the same. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 94.9% — above the state target. 50.3% of students complete A-G requirements for UC/CSU eligibility — a strong college readiness signal. 75.3% of graduates go on to college within a year.

Chronic absenteeism is 16.7%, better than the state average of 34.0%.

Why the exceeded vs. met split matters →