Roy A. Johnson High School

Roy A. Johnson High School serves 24 students in grades 9-12. 
The student:teacher ratio of 6:1 is lower than the California state level of 22:1.
Minority enrollment is 71% of the student body (majority Hispanic and Asian), which is lower than the California state average of 79% (majority Hispanic).

Quick Stats (2024-25)

  • School Type: Special education school / Magnet School
  • Grades: 9-12
  • Enrollment: 24 students
  • Student:Teacher Ratio: 6:1
  • Minority Enrollment: 71%
  • : ≤1% (Top 1% in CA)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Roy A. Johnson High School ranks among the top 20% of public schools in California for:

School Overview

Roy A. Johnson High School's student population of 24 students has grown by 41% over five school years.
The teacher population of 4 teachers has grown by 100% over five school years.
Grades Offered
Grades 9-12
Total Students
24 students
This chart displays total students of Roy A. Johnson High School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Roy A. Johnson High School
Total Classroom Teachers
4 teachers
This chart displays the total teachers of Roy A. Johnson High School by year, with the latest 2022-23 school year data.

School Rankings

The diversity score of Roy A. Johnson High School is 0.77, which is more than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
Student : Teacher Ratio
6:1
22:1
This chart displays the student teacher ratio of Roy A. Johnson High School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
American Indian
n/a
1%
Asian
21%
12%
This chart displays the percentage of Asian students in Roy A. Johnson High School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
Hispanic
25%
55%
This chart displays the percentage of Hispanic students in Roy A. Johnson High School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
4%
5%
This chart displays the percentage of Black students in Roy A. Johnson High School and the percentage of Black public school students in California by year, with the latest 2022-23 school year data.
White
29%
21%
This chart displays the percentage of White students in Roy A. Johnson High School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
21%
6%
This chart displays the percentage of students of two or more races in Roy A. Johnson High School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Roy A. Johnson High School.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.77
This chart displays the diversity score of Roy A. Johnson High School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
(10-11)
≤1%
83%
Eligible for Free Lunch
25%
51%
This chart displays the percentage of students who is eligible for free lunch in Roy A. Johnson High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
8%
8%
This chart displays the percentage of students who is eligible for reduced lunch in Roy A. Johnson High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2022-23 school year data.
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is the graduation rate of Roy A. Johnson High School?
The graduation rate of Roy A. Johnson High School is 1%, which is lower than the California state average of 83%.
How many students attend Roy A. Johnson High School?
24 students attend Roy A. Johnson High School.
What is the racial composition of the student body?
29% of Roy A. Johnson High School students are White, 25% of students are Hispanic, 21% of students are Asian, 21% of students are Two or more races, and 4% of students are Black.
What is the student:teacher ratio of Roy A. Johnson High School?
Roy A. Johnson High School has a student ration of 6:1, which is lower than the California state average of 22:1.
What grades does Roy A. Johnson High School offer ?
Roy A. Johnson High School offers enrollment in grades 9-12
What school district is Roy A. Johnson High School part of?
Roy A. Johnson High School is part of Castro Valley Unified School District.

School Reviews

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Quick Stats (2024-25)

  • School Type: Special education school / Magnet School
  • Grades: 9-12
  • Enrollment: 24 students
  • Student:Teacher Ratio: 6:1
  • Minority Enrollment: 71%
  • : ≤1% (Top 1%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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