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Casterlin High School

24790 Alderpoint Rd.
Blocksburg, CA 95514
Casterlin High School serves 5 students in grades 9-12. 
The student-teacher ratio of 2:1 is lower than the California state level of 21:1.
Minority enrollment is 20% of the student body (majority Black and Hispanic), which is lower than the California state average of 80% (majority Hispanic).

Quick Facts (2026)

  • Grades: 9-12
  • Enrollment: 5 students
  • Student-Teacher Ratio: 2:1
  • Minority Enrollment: 20%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Overview

Casterlin High School's student population of 5 students has declined by 28% over five school years.
The teacher population of 3 teachers has grown by 50% over five school years.
Grades Offered
Grades 9-12
Total Students
5 students
Gender %
Total Classroom Teachers
3 teachers

School Rankings

The diversity score of Casterlin High School is 0.32, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
Student-Teacher Ratio
2:1
21:1
American Indian
n/a
1%
Asian
n/a
12%
Hispanic
n/a
56%
Black
n/a
5%
White
80%
20%
Hawaiian
n/a
n/a
Two or more races
20%
6%
All Ethnic Groups
0.32
School Statewide Testing
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

How many students attend Casterlin High School?
5 students attend Casterlin High School.
What is the racial composition of the student body?
80% of Casterlin High School students are White, and 20% of students are Two or more races.
What is the student-teacher ratio of Casterlin High School?
Casterlin High School has a student ration of 2:1, which is lower than the California state average of 21:1.
What grades does Casterlin High School offer ?
Casterlin High School offers enrollment in grades 9-12
What school district is Casterlin High School part of?
Casterlin High School is part of Southern Humboldt Joint Unified School District.

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Quick Facts (2026)

  • Grades: 9-12
  • Enrollment: 5 students
  • Student-Teacher Ratio: 2:1
  • Minority Enrollment: 20%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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