William Tell Aggeler Opportunity High School

21050 Plummer St.
Chatsworth, CA 91311
8/
10
Top 30%
William Tell Aggeler Opportunity High School ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is <50% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is <50% (which is higher than the California state average of 47%).

Quick Stats (2024-25)

  • School Type: Alternative school / Magnet School
  • Grades: 7-12
  • : ≤20% (Btm 50% in CA)
  • : Top 30%
  • : <50% (Top 30%)
  • : <50% (Top 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Overview

The teacher population of 3 teachers has declined by 25% over five school years.
Grades Offered
Grades 7-12
Total Students
109 students
This chart displays total students of William Tell Aggeler Opportunity High School by year, with the latest 2021-22 school year data.
Total Classroom Teachers
3 teachers
This chart displays the total teachers of William Tell Aggeler Opportunity High School by year, with the latest 2022-23 school year data.

School Rankings

William Tell Aggeler Opportunity High School ranks within the top 30% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
This School
State Level (CA)
#2611 out of 9602 schools
(Top 30%)
This chart displays the overall school rank of William Tell Aggeler Opportunity High School, with the latest 2021-22 school year data.
<50%
33%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of William Tell Aggeler Opportunity High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.
<50%
47%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of William Tell Aggeler Opportunity High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
Student : Teacher Ratio
n/a
22:1
This chart displays the student teacher ratio of William Tell Aggeler Opportunity High School and the public school average student teacher ratio of California by year, with the latest 2021-22 school year data.
American Indian
(21-22)
n/a
1%
Asian
(21-22)
1%
12%
This chart displays the percentage of Asian students in William Tell Aggeler Opportunity High School and the percentage of Asian public school students in California by year, with the latest 2021-22 school year data.
Hispanic
(21-22)
91%
56%
This chart displays the percentage of Hispanic students in William Tell Aggeler Opportunity High School and the percentage of Hispanic public school students in California by year, with the latest 2021-22 school year data.
Black
(21-22)
3%
5%
This chart displays the percentage of Black students in William Tell Aggeler Opportunity High School and the percentage of Black public school students in California by year, with the latest 2021-22 school year data.
White
(21-22)
5%
21%
This chart displays the percentage of White students in William Tell Aggeler Opportunity High School and the percentage of White public school students in California by year, with the latest 2021-22 school year data.
Hawaiian
(21-22)
n/a
n/a
Two or more races
(21-22)
n/a
5%
This chart displays the percentage of students of two or more races in William Tell Aggeler Opportunity High School and the percentage of public school students of two or more races in California by year, with the latest 2010-11 school year data.
n/a
This chart displays the diversity score of William Tell Aggeler Opportunity High School and the public school average diversity score of California by year, with the latest 2021-22 school year data.
≤20%
87%
This chart displays graduation rate of William Tell Aggeler Opportunity High School and public school graduation rate of California by year, with the latest 2021-22 school year data.
Eligible for Free Lunch (21-22)
93%
51%
This chart displays the percentage of students who is eligible for free lunch in William Tell Aggeler Opportunity High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2021-22 school year data.
Eligible for Reduced Lunch (21-22)
3%
7%
This chart displays the percentage of students who is eligible for reduced lunch in William Tell Aggeler Opportunity High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2021-22 school year data.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is William Tell Aggeler Opportunity High School's ranking?
William Tell Aggeler Opportunity High School is ranked #2611 out of 9,602 schools, which ranks it among the top 30% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
<50% of students have achieved math proficiency (compared to the 33% CA state average), while <50% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of William Tell Aggeler Opportunity High School?
The graduation rate of William Tell Aggeler Opportunity High School is 20%, which is lower than the California state average of 87%.
How many students attend William Tell Aggeler Opportunity High School?
109 students attend William Tell Aggeler Opportunity High School.
What is the racial composition of the student body?
91% of William Tell Aggeler Opportunity High School students are Hispanic, 5% of students are White, 3% of students are Black, and 1% of students are Asian.
What grades does William Tell Aggeler Opportunity High School offer ?
William Tell Aggeler Opportunity High School offers enrollment in grades 7-12
What school district is William Tell Aggeler Opportunity High School part of?
William Tell Aggeler Opportunity High School is part of Los Angeles Unified School District.

School Reviews

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Quick Stats (2024-25)

  • School Type: Alternative school / Magnet School
  • Grades: 7-12
  • : ≤20% (Btm 50%)
  • : Top 30%
  • : <50% (Top 30%)
  • : <50% (Top 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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