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Email BoardLos Altos Elementary
15565 Los Altos Drive, Hacienda Heights, CA 91745-5216
Summary
Los Altos Elementary is underperforming.
Reading and math results average to the 48th percentile among comparable California schools.
Only 42.9% of students met California's reading standard, and it is trending down slightly.
Math is weaker: 36.9% of students met California's math standard, and it is trending down.
Proficiency stats
| Current Reading Proficiency | 42.9% |
| Current Math Proficiency | 36.9% |
| Reading State Rank | 2,409/4,657 (48th percentile) |
| Math State Rank | 2,423/4,657 (48th percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 391 |
| Low-Income Students | 265 (67.8%) |
| English Learners | 54 (13.8%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 9.4 points from last year and fell 2.9 points over the full period. Math fell 9.5 points from last year and fell 7.6 points over the full period.
•Math -7.6 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 41.3% to 43.9% across the grades shown. Overall, the school’s reading results rank No. 2,409 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 5.7-point reading income gap is narrower than the 19.8-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
3.7% of English learners meet the reading standard, compared with 44.2% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Hispanic or Latino students have the strongest math results at about 36% proficiency. The other reported groups range from about 33% to 33%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 28.8% to 48.5% across the grades shown. Overall, the school’s math results rank No. 2,423 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.4-point math income gap is narrower than the 20.0-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
9.7% of English learners meet the math standard, compared with 39.9% of English-only students. The gap widened as English-learner results fell and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 1,832 schools for reading and 1,839 for math. The comparison uses 2026 California K–5 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Los Altos Elementary compare within the district?
Los Altos Elementary is No. 6 in reading and No. 4 in math proficiency among the 14 K–5 schools in Hacienda la Puente Unified with 2026 results.
Explore the district’s schoolsHow does Los Altos Elementary rank in California?
Los Altos Elementary ranks No. 2,409 of 4,657 in reading and No. 2,423 of 4,657 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Los Altos Elementary compare within the district?
Low-income students here rank No. 5 in reading and No. 4 in math among 14 K–5 district schools with reportable 2026 results for this group. 41.1% meet the reading standard and 32.3% meet the math standard.
See results by student groupHow does Los Altos Elementary compare with other schools in Hacienda Heights?
Los Altos Elementary is No. 4 in both reading and math proficiency among the 6 K–5 schools in Hacienda Heights with 2026 results.
Explore schools in Hacienda HeightsHow does Los Altos Elementary compare with other schools in Los Angeles County?
Los Altos Elementary is No. 451 in reading and No. 499 in math proficiency among the 780 K–5 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving K–5 in the same district.
| School | Math | Reading |
|---|---|---|
| Los Altos ElementaryThis school | 36.9% | 42.9% |
| Grazide Elementary | 64.9% | 65.5% |
| Kwis Elementary | 20.0% | 27.7% |
