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Black River High School

233 County Road 40, Sullivan, OH 44880

BSchola Grade
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Grades
8–12
High
Students
339
Enrolled 2024–25
Students per teacher
16.9 : 1
Full-time teachers
District
Black River Local
Ashland County

Schola Grade B · Above average

Letter grade (A–F) · compared with 824 Ohio high schools · How we grade
Test scores64% proficient in math & reading
76thpercentile
Equity60% of low-income students proficient
92ndpercentile
Attendance22% chronically absent
70thpercentile
Graduation rate92% graduate in 4 years
46thpercentile
College readinessAt least 13% take AP, IB or dual-enrollment courses
50thpercentile
Class size16.9 students per teacher
43rdpercentile

Percentiles compare this school with other Ohio high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Black River High School

Black River High School is a public high school in Sullivan, Ohio, serving grades 8–12. It is part of Black River Local. The school is located in a rural area in Ashland County.

In the 2024–25 school year, 339 students were enrolled, with about 16.9 students for every full-time teacher. That ratio is larger than the typical Ohio high school (15.5 students per teacher). Its Schola Grade is B (above average), compared with 824 Ohio high schools.

Grades & enrollment

Students per grade, 2024–25Grades 8–12

Location & nearby schools

233 County Road 40
Sullivan, OH 44880
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School details

Type
Public School · What this means
Level
High
Grades offered
8–12
Enrollment (2024–25)
339 students
Students per teacher
16.9 to 1
Charter school
No
Magnet school
No
Locale
Rural — Distant
School district
Black River Local
County
Ashland County
NCES school ID
390484603258

Schools near Black River High School

All 3 schools in Sullivan →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.