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Email BoardAltadena Elementary
743 East Calaveras Street, Altadena, CA 91001-2332
Summary
Altadena Elementary is underperforming.
Reading and math results average to the 69th percentile among comparable California schools.
57.0% of students met California's reading standard, and it is trending up.
50.2% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 57.0% |
| Current Math Proficiency | 50.2% |
| Reading State Rank | 1,371/4,657 (71st percentile) |
| Math State Rank | 1,530/4,657 (67th percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 527 |
| Low-Income Students | 313 (59.4%) |
| English Learners | 38 (7.2%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | Yes |
Test score trends
Reading rose 8.1 points from last year and rose 7.8 points over the full period. Math rose 5.1 points from last year and rose 5.2 points over the full period.
•Math +5.2 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
White and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 52.3% to 61.5% across the grades shown. Overall, the school’s reading results rank in the top 30% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 26.2-point reading income gap is wider than the 19.8-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
0.0% of English learners meet the reading standard, compared with 58.5% of English-only students. The gap widened as English-learner results fell and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 64% proficiency. The other reported groups range from about 21% to 60%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 45.5% to 54.7% across the grades shown. Overall, the school’s math results rank in the top 33% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 24.7-point math income gap is slightly wider than the 20.0-point gap at a typical California K–5 school. It narrowed over the period shown.
•English Learners vs English Native
15.4% of English learners meet the math standard, compared with 50.9% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•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 Altadena Elementary compare within the district?
Altadena Elementary is No. 6 in reading and No. 5 in math proficiency among the 14 K–5 schools in Pasadena Unified with 2026 results.
Explore the district’s schoolsHow does Altadena Elementary rank in California?
Altadena Elementary ranks No. 1,371 of 4,657 in reading and No. 1,530 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 Altadena 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. 47.8% meet the reading standard and 41.5% meet the math standard.
See results by student groupHow does Altadena Elementary compare with other schools in Altadena?
Altadena Elementary is No. 1 in both reading and math proficiency among the 2 K–5 schools in Altadena with 2026 results.
Explore schools in AltadenaHow does Altadena Elementary compare with other schools in Los Angeles County?
Altadena Elementary is No. 244 in reading and No. 286 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 |
|---|---|---|
| Altadena ElementaryThis school | 50.2% | 57.0% |
| Mary W. Jackson STEAM Multilingual Magnet Elementa | 36.5% | 46.5% |
| Aveson School of Leaders | 40.5% | 68.0% |
