Enrollment
61
California · 2024-25 NCES data
Other / mixed grade configuration · Chatsworth, CA
William Tell Aggeler Opportunity High
Federal NCES profile for William Tell Aggeler Opportunity High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataOther / mixed grade configurationNCES 062271002802
👥 S:T ratio 0
🌟 Gifted program 70
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
William Tell Aggeler Opportunity High earns 35/100 on the Resource Investment Index, with class sizes larger than 96% of California schools.
- #3 of 10
- public schools in Chatsworth · Resource Index
- 35
- Resource Index · Typical
- 30.5:1
- large classes for California
- 93.1%
- free-lunch eligible
William Tell Aggeler Opportunity High has class sizes larger than 96% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, William Tell Aggeler Opportunity High ranks #3 of 10 public schools in Chatsworth, CA.
School address
District: Los Angeles Unified · California
NCES ID 062271002802 Verify on NCES CCD record →
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
30.5:1
vs 21.5:1 California avg
+42% vs state
Free-lunch eligible
93.1%
vs 55.5% California avg
+68% vs state
Student-teacher ratio in context
How William Tell Aggeler Opportunity High compares with California and U.S. medians
What stands out at William Tell Aggeler Opportunity High
William Tell Aggeler Opportunity High is a high-poverty, small combined-grade school in Chatsworth, California, enrolling 61 students.
Class loads run heavy: 30.5:1 is larger than about 96% of California schools and 42% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Economic need is high: 93.1% of students qualify for free meals, 68% above the California average, a Title I-weighted population that federal funding formulas prioritise.
This is a small campus: fewer students than 93% of California schools, with 61 enrolled.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 116 statewide peers matched on enrollment and economic need, it ranks mid-pack at #77.
Its student body is predominantly Hispanic or Latino (89% of enrollment) (diversity index 21/100).
The surrounding Los Angeles Unified spends $21,940 per pupil, 33% above the California average, a better-resourced district than most.
Its district draws 19.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Chatsworth's public schools, it stands alongside Aggeler Community Day (23 students): William Tell Aggeler Opportunity High is larger than that campus by headcount and runs heavier classes (30.5:1 vs 7.7:1).
Los Angeles Unified also operates Grover Cleveland Charter High (2,719 students) and North Hollywood Senior High (2,444 students) alongside William Tell Aggeler Opportunity High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How William Tell Aggeler Opportunity High compares
William Tell Aggeler Opportunity High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 30.5:1 | ▲ 42% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 93.1% | ▲ 68% | 55.5% | 51.7% |
| Enrollment | 61 | top 93% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
30.5:1
Leaner classes than 2% of US schools, heavier class loads than most.
61
Bigger than 6% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
93.1%
free-lunch eligible
- 68% above the California average of 55.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
30.5:1
students per teacher
- 42% above state mean
Top 96% in California - lower ratio than 4% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Funding equity
$21,940
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 1 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.6 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
Hispanic or Latino 88.5%
White 3.3%
African American 3.3%
Two or More 3.3%
Asian 1.6%
Largest group: Hispanic or Latino at 88.5% of enrollment.
Student-body diversity index 21.3/100
Simpson diversity index - at 21.3, William Tell Aggeler Opportunity High is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Los Angeles Unified, which includes William Tell Aggeler Opportunity High.
$21,940
Per student
+33%
vs California
Avg $16,509
+32%
vs U.S.
Avg $16,593
Revenue mix
Local 26.3%
State 54.5%
Federal 19.2%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How William Tell Aggeler Opportunity High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Grover Cleveland Charter High | Larger | Lower economic need | Lower S:T ratio |
| North Hollywood Senior High | Larger | Lower economic need | Lower S:T ratio |
| Phineas Banning Senior High | Larger | Similar economic need | Lower S:T ratio |
| San Pedro Senior High | Larger | Lower economic need | Lower S:T ratio |
| Venice Senior High | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to William Tell Aggeler Opportunity High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,719
- Students per teacher
- 22.8:1
- Resource Index
- 38/100
- Enrollment
- 2,444
- Students per teacher
- 20.5:1
- Resource Index
- 38/100
- Enrollment
- 2,422
- Students per teacher
- 19.4:1
- Resource Index
- 44/100
- Enrollment
- 2,398
- Students per teacher
- 20.3:1
- Resource Index
- 31/100
- Enrollment
- 2,293
- Students per teacher
- 24.4:1
- Resource Index
- 37/100
Similar other schools in Chatsworth
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~61 students)
Next steps
Verify locally before acting on William Tell Aggeler Opportunity High's federal record.
- Compare William Tell Aggeler Opportunity High against another school. Compare schools
- Los Angeles Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about William Tell Aggeler Opportunity High
How many students attend William Tell Aggeler Opportunity High?
William Tell Aggeler Opportunity High has 61 students enrolled. It is an alternative school in Chatsworth, CA.
What is the student-teacher ratio at William Tell Aggeler Opportunity High?
The student-teacher ratio at William Tell Aggeler Opportunity High is 30.5:1, which is 42% higher than the California average of 21.5:1 and 94% higher than the national average of 15.7:1.
What percentage of students receive free lunch at William Tell Aggeler Opportunity High?
93.1% of students at William Tell Aggeler Opportunity High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of William Tell Aggeler Opportunity High?
The largest demographic group at William Tell Aggeler Opportunity High is Hispanic or Latino at 88.5% of enrollment, in Chatsworth, CA.
What is the Resource Investment Index for William Tell Aggeler Opportunity High?
William Tell Aggeler Opportunity High has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does William Tell Aggeler Opportunity High rank among public schools in Chatsworth?
By Resource Investment Index, William Tell Aggeler Opportunity High ranks #3 of 10 public schools in Chatsworth, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Chatsworth on the city page.
Is William Tell Aggeler Opportunity High a good school?
William Tell Aggeler Opportunity High earns 35/100 on the Resource Investment Index, with class sizes larger than 96% of California schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Los Angeles Unified?
Besides William Tell Aggeler Opportunity High, Los Angeles Unified also operates Grover Cleveland Charter High (2,719 students), North Hollywood Senior High (2,444 students), and Phineas Banning Senior High (2,422 students). See the Los Angeles Unified district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.