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Email BoardHenry Dalton Elementary
500 East 10th Street, Azusa, CA 91702-2417
Summary
Henry Dalton Elementary is badly underperforming.
Reading and math results average to the 31st percentile among comparable California schools.
Only 29.4% of students met California's reading standard, and it is slowly trending down.
32.8% of students met California's math standard, and it is trending down.
Proficiency stats
| Current Reading Proficiency | 29.4% |
| Current Math Proficiency | 32.8% |
| Reading State Rank | 3,693/4,657 (21st percentile) |
| Math State Rank | 2,758/4,657 (41st percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 333 |
| Low-Income Students | 252 (77.3%) |
| English Learners | 76 (23.3%) |
| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 3.0 points from last year and fell 4.2 points over the full period. Math fell 1.0 points from last year and fell 5.5 points over the full period.
Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Only one group has a reportable reading result.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 14.6% to 36.2% across the grades shown. Overall, the school’s reading results rank No. 3,693 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 27.7-point reading income gap is wider than the 19.8-point gap at a typical California K–5 school. It narrowed slightly over the period shown.
English Learners vs English Native
8.0% of English learners meet the reading standard, compared with 31.3% 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
Only one group has a reportable math result.
Distribution of Scores by Grade
The share meeting the math standard ranges from 15.0% to 44.7% across the grades shown. Overall, the school’s math results rank No. 2,758 of 4,657 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 26.0-point math income gap is wider than the 20.0-point gap at a typical California K–5 school. It widened over the period shown.
English Learners vs English Native
12.0% of English learners meet the math standard, compared with 35.0% of English-only students. The gap narrowed as English-learner results rose 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 Henry Dalton Elementary compare within the district?
Henry Dalton Elementary is No. 4 in reading and No. 3 in math proficiency among the 7 K–5 schools in Azusa Unified with 2026 results.
Explore the district’s schoolsHow does Henry Dalton Elementary rank in California?
Henry Dalton Elementary ranks No. 3,693 of 4,657 in reading and No. 2,758 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 Henry Dalton Elementary compare within the district?
Low-income students here rank No. 6 in reading and No. 4 in math among 7 K–5 district schools with reportable 2026 results for this group. 24.3% meet the reading standard and 28.2% meet the math standard.
See results by student groupHow does Henry Dalton Elementary compare with other schools in Azusa?
Henry Dalton Elementary is No. 4 in reading and No. 3 in math proficiency among the 7 K–5 schools in Azusa with 2026 results.
Explore schools in AzusaHow does Henry Dalton Elementary compare with other schools in Los Angeles County?
Henry Dalton Elementary is No. 686 in reading and No. 574 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 |
|---|---|---|
| Henry Dalton ElementaryThis school | 32.8% | 29.4% |
| Charles H. Lee Elementary | 34.4% | 34.6% |
| Clifford D. Murray Elementary | 24.1% | 28.8% |
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