Los Altos High
High Schools (Public)Grades 9–12Active
15325 East Los Robles Avenue, Hacienda Heights, CA 91745-2717
(626) 934-5400
Overall Score (2024-25)
↑ 1.9 ptsvs 2023-2472
out of 100
StrongTop 19% statewideData completeness: 100%
Academic Achievement72
CA avg
Academic Growth77
CA avg
Equity77
CA avg
School Climate74
CA avg
College/Career Readiness57
CA avg
Score reflects percentile ranking among same-type schools. How is this calculated?
Test Scores (2024-25)
Percentage of students meeting or exceeding standards on CAASPP/CAST.
English Language Arts63.1%
CA avg 48.8%
Mathematics31.7%
CA avg 34.6%
Science / CAST (2024-25)25.9%
CA avg 32.7%
By Grade
| Grade | ELA % | Math % | Science % | Tested |
|---|---|---|---|---|
| 11 | 63.1% | 31.7% | 25.9% | 350 |
Enrollment & Demographics (2024-25)
1,592
Total Students
70.2%
Free/Reduced Lunch
8.4%
English Learners
Staff (2024-25)
22.0:1
Pupil-Teacher Ratio
Graduation Rates (2024-25)
↓ 0.1%94.9%
Graduation Rate
50.3%
Met UC/CSU Reqs
2.9%
Dropout Rate
Chronic Absenteeism (2024-25)
↑ 0.6%16.7%
Chronically Absent
1,629
Students Tracked
Historical Trends
Year-over-year performance data from official CDE records.
Composite Score
ELA Proficiency %
Math Proficiency %
Science / CAST %
Graduation Rate %
Chronic Absenteeism Rate %
Total Enrollment
Parent & Community Reviews
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Data sourced from the California Department of Education. CDS Code: 19734451935246. Academic Year: 2023-24 – 2024-25.