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Email BoardArroyo Seco Junior High
27171 North Vista Delgado Drive, Valencia, CA 91354-2244
Summary
Reading and math results average to the 83rd percentile among comparable California schools.
67.5% of students met California's reading standard, and it is trending up slightly.
55.9% of students met California's math standard, but it is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 67.5% |
| Current Math Proficiency | 55.9% |
| Reading State Rank | 204/1,204 (83rd percentile) |
| Math State Rank | 215/1,204 (82nd percentile) |
School information
| Student / Teacher Ratio | 24:1 |
| Student enrollment (2024–25) | 1,239 |
| Low-Income Students | 214 (17.3%) |
| English Learners | 32 (2.6%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading fell 1.1 points from last year and rose 1.3 points over the full period. Math rose 0.8 points from last year and rose 3.0 points over the full period.
•Math +3.0 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and Two or more races students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 67.3% to 67.6% across the grades shown. Overall, the school’s reading results rank in the top 17% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 20.8-point reading income gap is slightly wider than the 18.6-point gap at a typical California 7–8 school. It widened over the period shown.
•English Learners vs English Native
0.0% of English learners meet the reading standard, compared with 68.1% of English-only students. The gap widened as English-learner results held steady and English-only results rose.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 76% proficiency. The other reported groups range from about 45% to 75%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 53.8% to 58.0% across the grades shown. Overall, the school’s math results rank in the top 18% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 23.5-point math income gap is wider than the 18.4-point gap at a typical California 7–8 school. It widened over the period shown.
•English Learners vs English Native
11.1% of English learners meet the math standard, compared with 56.3% 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 301 schools for reading and 302 for math. The comparison uses 2026 California 7–8 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 Arroyo Seco Junior High compare within the district?
Arroyo Seco Junior High is No. 3 in both reading and math proficiency among the 6 7–8 schools in William S. Hart Union High with 2026 results.
Explore the district’s schoolsHow does Arroyo Seco Junior High rank in California?
Arroyo Seco Junior High ranks No. 204 of 1,204 in reading and No. 215 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Arroyo Seco Junior High compare within the district?
Low-income students here rank No. 3 in both subjects among 6 7–8 district schools with reportable 2026 results for this group. 52.4% meet the reading standard and 38.9% meet the math standard.
See results by student groupHow does Arroyo Seco Junior High compare with other schools in Los Angeles County?
Arroyo Seco Junior High is No. 7 in reading and No. 8 in math proficiency among the 29 7–8 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving 7–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Arroyo Seco Junior HighThis school | 55.9% | 67.5% |
| La Mesa Junior High | 46.8% | 61.4% |
| Placerita Junior High | 45.7% | 63.7% |
