William Tell Aggeler Opportunity High
Chatsworth, CA · Los Angeles Unified
Alternative school · Grades 8-12 · City, large
Not enough test data for a ranking (fewer than 30 students tested)
21050 Plummer St., Chatsworth, CA 91311
(818) 341-1232Official website ↗NCES ID 062271002802Directory 2023–24
Not enough test data to rank this school.
Racial and ethnic breakdown of 68 students (2023–24, NCES) — history since 1987, with comparable seven-category changes from 2010
| Group | Trend | 2010 | 2023 | Change |
|---|---|---|---|---|
| Hispanic | 78.0% | 88.2% | ▲ 10.2 pts | |
| White | 11.9% | 4.4% | ▼ 7.5 pts | |
| Black | 3.4% | 2.9% | ▼ 0.5 pts | |
| Two or more races | 5.1% | 2.9% | ▼ 2.2 pts | |
| Asian | 1.7% | 1.5% | ▼ 0.2 pts |
NCES history for this school begins in 1987. Race categories changed by 2010: earlier data combines Asian and Pacific Islander students and does not consistently identify multiracial students. The chart retains that history, while the change table uses 2010 onward.
Typical home value $942K in zip 91311 as of 2026-05 · trend since 2000
Data Provided by Zillow Group
Closest same-level schools, with 2024–25 state rank · ▲▼ = points better or worse than William Tell Aggeler Opportunity High
- –Aggeler Community DayLos Angeles Unified · 0 mi awayCompare
- #1334Stoney Point ContinuationLos Angeles Unified · 0.7 mi away1,334th of 1,528
ELA 13% · Math 6%Compare - #618Chatsworth Charter HighLos Angeles Unified · 0.8 mi away · charter618th of 1,528
ELA 51% · Math 34%Compare - –Joaquin Miller Career and Transition CenterLos Angeles Unified · 3 mi awayCompare
- #351Grover Cleveland Charter HighLos Angeles Unified · 3 mi away · charter351st of 1,528
ELA 65% · Math 40%Compare - #160Valley International Preparatory HighLos Angeles Unified · 3.2 mi away · charter160th of 1,528
ELA 84% · Math 46%Compare - –Owensmouth ContinuationLos Angeles Unified · 3.3 mi awayCompare
- #749Canoga Park Senior HighLos Angeles Unified · 3.3 mi away749th of 1,528
ELA 52% · Math 22%Compare
What school district is William Tell Aggeler Opportunity High in?
William Tell Aggeler Opportunity High is part of the Los Angeles Unified district in Chatsworth, California.
Is William Tell Aggeler Opportunity High a good school?
William Tell Aggeler Opportunity High does not have enough recent test data for a SchoolRow ranking.
What is the racial makeup of William Tell Aggeler Opportunity High?
Hispanic 88%, White 4%, Black 3%, Two or more races 3% (68 students, 2023–24).
How much do homes near William Tell Aggeler Opportunity High cost?
The typical home value in zip code 91311 is $942K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (CAASPP 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.