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Email BoardChatsworth Charter High
10027 Lurline Avenue, Chatsworth, CA 91311-3153
Summary
Chatsworth Charter High is underperforming.
Reading and math results average to the 70th percentile among comparable California schools.
57.8% of students met California's reading standard, and it is trending up slightly.
Math is weaker: 39.8% of students met California's math standard, but it is trending up.
Proficiency stats
| Current Reading Proficiency | 57.8% |
| Current Math Proficiency | 39.8% |
| Reading State Rank | 630/1,596 (61st percentile) |
| Math State Rank | 340/1,596 (79th percentile) |
School information
| Student / Teacher Ratio | 21:1 |
| Student enrollment (2024–25) | 1,743 |
| Low-Income Students | 1,201 (68.9%) |
| English Learners | 175 (10.0%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | Yes |
| Magnet school | Yes |
Test score trends
Reading rose 7.3 points from last year and rose 2.2 points over the full period. Math rose 6.2 points from last year and rose 8.8 points over the full period.
•Math +8.8 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Asian and Two or more races students have the strongest results.
Distribution of Scores by Grade
57.8% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 40% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 19.4-point reading income gap is slightly wider than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
10.0% of English learners meet the reading standard, compared with 66.7% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Asian students have the strongest math results at about 64% proficiency. The other reported groups range from about 25% to 62%.
Distribution of Scores by Grade
39.8% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 22% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 29.5-point math income gap is wider than the 14.2-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
15.0% of English learners meet the math standard, compared with 46.2% of English-only students. The gap widened as English-learner results rose and English-only results rose.
•How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 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 Chatsworth Charter High compare within the district?
Chatsworth Charter High is No. 78 in reading and No. 28 in math proficiency among the 185 9–12 schools in Los Angeles Unified with 2026 results.
Explore the district’s schoolsHow does Chatsworth Charter High rank in California?
Chatsworth Charter High ranks No. 630 of 1,596 in reading and No. 340 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Chatsworth Charter High compare within the district?
Low-income students here rank No. 88 in reading and No. 36 in math among 160 9–12 district schools with reportable 2026 results for this group. 52.7% meet the reading standard and 32.1% meet the math standard.
See results by student groupHow does Chatsworth Charter High compare with other schools in Chatsworth?
Chatsworth Charter High is No. 1 in both reading and math proficiency among the 2 9–12 schools in Chatsworth with 2026 results.
Explore schools in ChatsworthHow does Chatsworth Charter High compare with other schools in Los Angeles County?
Chatsworth Charter High is No. 166 in reading and No. 86 in math proficiency among the 334 9–12 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving 9–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Chatsworth Charter HighThis school | 39.8% | 57.8% |
| Stoney Point Continuation | 2.2% | 8.9% |
| Abraham Lincoln Senior High | 33.6% | 69.9% |
