1
What's the best and worst thing about the food at Chatsworth Charter High?
Community prompt from u/allk12. Replies below.
Enrollment
1,743
High
DISTRICT 676 · STATE 838
SCHOOL COMMUNITY·LOS ANGELES UNIFIED·NCES 062271002916
Chatsworth Charter High
10027 Lurline Ave., Chatsworth, CA 91311 · (818) 678-3400 · Los Angeles County
GRADES 09–12HIGH11-CITYCHARTERTITLE IREGULAR SCHOOL1,743 STUDENTS
B
allk12 Grade
Scored higher than 58% of California public high schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- C+Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools
Student : Teacher
21.3:1
82 FTE teachers
DISTRICT 16.3:1 · STATE 18.2:1
Free / Reduced Lunch
69%
1,201 students
DISTRICT 84% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 448 | 26% |
| Grade 10 | 421 | 24% |
| Grade 11 | 445 | 26% |
| Grade 12 | 429 | 25% |
Student demographics
59%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on published attendance-zone data from Los Angeles Unified. Zones change; confirm enrollment with the district.
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
50.5%
CA avg 49.1% . +21.5pp since 2014
Math
33.6%
CA avg 37.7% . +23.6pp since 2014
What this means: On the CAASPP, California's statewide test, about 51 of every 100 students at this school read and write at grade level and about 34 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 22 points since 2014, while math scores are up about 24 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 23.0% | 27.5% | 24.9% | 24.6% |
| Math | 16.0% | 17.6% | 22.4% | 44.0% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 50.5% | 33.6% |
| 2023-24 | 55.6% | 31.1% |
| 2022-23 | 39.7% | 22.8% |
| 2021-22 | 55.2% | 27.3% |
| 2020-21 | 51.8% | 36.8% |
| 2018-19 | 60.7% | 29.1% |
| 2017-18 | 41.4% | 27.7% |
| 2016-17 | 65.7% | 35.5% |
| 2015-16 | 58.0% | 27.0% |
| 2014-15 | 29.0% | 10.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
42.7%
composite math + reading, all grades
Predicted
39.2%
based on CA schools with similar FRL share
Beats by
+3.5pp
above demographic expectation
What this means: About 43% of students here test proficient in math and reading, compared with the roughly 39% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Chatsworth Charter High
Chatsworth Charter High's state test result (42.7% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Chatsworth Charter High this school | 1,743 | 68.9% | 42.7% |
| Manteca High Manteca | 1,907 | 67.0% | 38.1% |
| John Marshall Senior High Los Angeles | 1,842 | 71.2% | 53.8% |
| Citrus Valley High Redlands | 2,110 | 65.5% | 57.3% |
| Tokay High Lodi | 2,058 | 69.3% | 30.0% |
| Justin Garza High Fresno | 2,095 | 72.9% | 41.3% |
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Chatsworth Charter High ranks
Among high schools| Measure | This school | In California | In Los Angeles County |
|---|---|---|---|
| State test proficiency ranked highest first | 42.7% | #464 of 1,052 | #102 of 228 |
| Math proficiency ranked highest first | 33.6% | #371 of 1,056 ▼ 12 | #88 of 229 ▼ 14 |
| Reading proficiency ranked highest first | 50.5% | #697 of 1,056 ▼ 176 | #153 of 229 ▼ 44 |
| 3-year test score change ranked biggest gain first | +0.8pp | #605 of 1,044 | #174 of 229 |
| Enrollment ranked largest first | 1,743 | #417 of 2,093 | #82 of 486 |
| Students per teacher ranked fewest first | 21.3:1 | #728 of 1,352 | #231 of 358 |
| Diversity index ranked most diverse first | 58.7% | #443 of 1,351 | #64 of 359 |
| Free and reduced lunch ranked highest share first | 68.9% | #892 of 1,575 | #292 of 396 |
| Enrollment change since 2017-18 ranked steepest decline first | -6.5% | #573 of 802 | #176 of 227 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,743
+122 (+8%) vs 2020
-34% since 1990-91, when it was 2,630
Student : Teacher
21.3:1
was 20.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,743 | 81.9 | 21.3:1 | 69% (1,201) |
| 2023-24 | 1,724 | 75.4 | 22.9:1 | 67% (1,163) |
| 2022-23 | 1,696 | 74.9 | 22.6:1 | 69% (1,162) |
| 2020-21 | 1,621 | 78 | 20.8:1 | 67% (1,087) |
| 2017-18 | 1,864 | 83.8 | 22.2:1 | 69% (1,279) |
| 2015-16 | 2,068 | 87 | 23.8:1 | 65% (1,349) |
| 2010-11 | 2,940 | N/A | N/A | 54% (1,578) |
| 2000-01 | 3,276 | 126 | 26.0:1 | 26% (851) |
| 1990-91 | 2,630 | 99 | 26.6:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Chatsworth Charter High.
Since 2017-18: students down 6% (1,864 to 1,743); teachers down 2% (83.8 to 81.9).
About Chatsworth Charter High
Chatsworth Charter High is a high school in Chatsworth, California, and it is part of Los Angeles Unified. The school counts 1,743 students across grades 9 through 12. The school's enrollment is 108% bigger than the 838 average for high schools in California.
Chatsworth Charter High is part of Los Angeles Unified, where 784 schools serve 406,887 students.
Chatsworth Charter High is 60% Hispanic by enrollment. Smaller groups are 15% White, 15% Asian, 5% Black, and 4% multiracial. County-wide, 48% of Los Angeles County residents are Hispanic. Chatsworth Charter High's diversity index is 59%, against a US figure of 70%.
Federal data list 81.9 full-time-equivalent teachers at Chatsworth Charter High in 2024-25, for a ratio of 21.3:1. That is higher than the 18.2:1 average for high schools in California. The lunch program counts 69% of students at Chatsworth Charter High as eligible for free or reduced-price meals. That tracks the 70% average for public schools in Los Angeles County.
Chatsworth Charter High is graded B by allk12, scoring above 58% of California public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
Chatsworth Charter High's actual average proficiency rate on state tests (42.7%) and its predicted rate (39.2%) put it outside the top and bottom 10% of California schools.
Los Angeles County has about 9,808,667 residents, and the median household income is $90,112, a bachelor's degree or higher is held by about 36% of adults, and the share of residents below the poverty line is 10%. In all, Los Angeles County has 2,244 public schools and roughly 1,265,907 students.
The closest public school, Stoney Point Continuation, is about 0.2 miles from Chatsworth Charter High. There are at least 8 other public schools within five miles. Of the 4 nearby schools with scores, including this one, Chatsworth Charter High is 3rd on average proficiency.
Locale: City: Large. In NCES terms, the school is inside a principal city with a population of 250,000 or more. This is a charter school, which is a tuition-free public school operating under a charter.
The school enrolled 1,743 students in 2024-25, 122 more than the 1,621 it had in 2020-21.
Discussions about Chatsworth Charter High may include science fairs, picture day, and bus routes. Alumni can share how the school prepared them.
Los Angeles County at a glance
View full county profilePopulation
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students
Quick facts
Related schools
Other schools in Los Angeles Unified
- Grover Cleveland Charter HighHigh · 2,719 students
- North Hollywood Senior HighHigh · 2,444 students
- Phineas Banning Senior HighHigh · 2,422 students
- San Pedro Senior HighHigh · 2,398 students
- Venice Senior HighHigh · 2,293 students
- James A. Garfield Senior HighHigh · 2,237 students
Other schools in Chatsworth
- Ernest Lawrence MiddleMiddle · 1,076 students
- Germain Academy For Academic AchievementElementary · 564 students
- Superior Street ElementaryElementary · 470 students
- Our Community CharterElementary · 434 students
- Chatsworth Park ES Urban Planning/Comm Development MagnetElementary · 422 students
- Stoney Point ContinuationHigh · 105 students
Nearby schools
- Stoney Point Continuation0.2 mi · 105
- Ernest Lawrence Middle0.4 mi · 1,076
- Superior Street Elementary0.6 mi · 470
- Germain Academy For Academic Achievement0.7 mi · 564
- William Tell Aggeler Opportunity High0.8 mi · 61
- Aggeler Community Day0.8 mi · 23
Frequently asked questions
About Chatsworth Charter HighHow large is Chatsworth Charter High?
Chatsworth Charter High enrolls approximately 1,743 students in grades 09-12.
What age range does Chatsworth Charter High serve?
Chatsworth Charter High serves students from grade 09 through grade 12.
How many teachers does Chatsworth Charter High have?
Chatsworth Charter High employs 82 FTE teachers, for a student-to-teacher ratio of 21.3:1.
What is the student diversity at Chatsworth Charter High?
Student demographics at Chatsworth Charter High are roughly 15% White, 60% Hispanic, 5% Black, 15% Asian, 4% Two or more.
What district is Chatsworth Charter High in?
Chatsworth Charter High is part of Los Angeles Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.