High · Regular · Grades 9 to 12
Casterlin High, Blocksburg, CA
Casterlin High is a public high school in Blocksburg, part of Southern Humboldt Joint Unified. It enrolled 4 students in 2024-25, with 2.0 students per full-time teacher.
Enrollment and teachers
- Students
- 4
- Teachers (FTE)
- 2.0
- Students per teacher
- 2.0
- Grades
- 9 to 12
This school's ratio is 13.8 lower than the district figure of 15.8. The California average across schools is 21.9. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school2.0
District15.8
California21.9
United States15.3
School details
- Address
- 24790 Alderpoint Rd., Blocksburg, CA 95514
- Phone
- (707)926-5402
- District
- Southern Humboldt Joint Unified
- County
- Humboldt County
- Level
- High
- Type
- Regular
- Status
- Open
- Charter
- No
- Locale
- Rural: Remote
- NCES school ID
- 063759014493
Related schools
Other high schools in Southern Humboldt Joint Unified
- South Fork High 211 students
- Osprey Learning Center 9 students
We publish official enrollment and staffing data, not ratings or test scores.
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.