William Tell Aggeler Opportunity High School

21050 Plummer Street, Chatsworth, CA 91311View on map

  • Public
  • Chatsworth
  • 45 students

William Tell Aggeler Opportunity High School is a public high school in Chatsworth (Los Angeles Unified).

Year

Most-applied CSU: Cal State Northridge

too few applicants to report

Fall 2025

Campus by campus, fall 2025

The share of this school's applicants each campus admitted, beside the campus's rate for everyone else. Hardest campus first.

California State University

Fall 2025. A student admitted to several campuses counts once at each one. Overall is the campus’s admit rate for all its applicants, from federal IPEDS data (fall 2023, the latest published). Within 3 points counts as about the same.

Advanced Placement

0%

of graduating seniors passed at least two AP exams or courses

0 of 30 graduates

A score of 3 or higher on exams or a C- or better in courses. Not comparable with the exam-only share.

2024–25 school year · California Department of Education (College/Career Indicator)

Academic context

State test (CAASPP), juniors tested in 2026, and the share of low-income students. The tick is the county median.

  • Juniors meeting the English standard 0%County median 57%
  • Juniors meeting the math standard 0%County median 27%
  • Juniors exceeding the English standard 0%County median 23%
  • Juniors exceeding the math standard 0%County median 11%
  • Low-income students 96%County median 86%

Across California

Year
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Other schools in Los Angeles Unified and nearby