Enrollment
339
High
DISTRICT 312 · STATE 565
SCHOOL COMMUNITY·BLACK RIVER LOCAL·NCES 390484603258
Black River High School
233 County Road 40, Sullivan, OH 44880 · (419) 736-3303 · Ashland County
GRADES 08–12HIGH42-RURALTITLE IREGULAR SCHOOL339 STUDENTS
A-
allk12 Grade
Scored higher than 78% of Ohio public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- A+Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Ohio public high schools
Student : Teacher
16.9:1
20 FTE teachers
DISTRICT 15.7:1 · STATE 17.7:1
Free / Reduced Lunch
45%
152 students
DISTRICT 71% · STATE 43%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 8 | 65 | 19% |
| Grade 9 | 72 | 21% |
| Grade 10 | 72 | 21% |
| Grade 11 | 75 | 22% |
| Grade 12 | 55 | 16% |
Student demographics
13%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 15% · STATE 54% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
Ohio's State Tests 2024-25 . % Proficient or AboveEnglish Language Arts
79.2%
OH avg 59.8% . +4.5pp since 2021
Math
69.7%
OH avg 56.1% . +36.0pp since 2021
What this means: On the Ohio's State Tests, Ohio's statewide test, about 79 of every 100 students at this school read and write at grade level and about 70 of 100 do math at grade level. Across all Ohio schools, those numbers are about 60 and 56. Reading and writing scores are up about 4 points since 2021, while math scores are up about 36 points.
Ohio's State Tests results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 79.2% | 69.7% |
| 2023-24 | 68.9% | 63.0% |
| 2022-23 | 75.6% | 61.5% |
| 2021-22 | 74.7% | 33.6% |
% Proficient or Above, all students and all tested grades.
Source: Ohio's State Tests. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
72.5%
composite math + reading, all grades
Predicted
71.9%
based on OH schools with similar FRL share
Beats by
+0.6pp
above demographic expectation
What this means: About 72% of students here test proficient in math and reading, compared with the roughly 72% typical for Ohio schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Ohio's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Black River High School
Black River High School's state test result (72.5% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Black River High School this school | 339 | 44.8% | 72.5% |
| Blanchester High School Blanchester | 332 | 43.4% | 69.4% |
| Greeneview High School Jamestown | 405 | 44.2% | 60.7% |
| Loudonville High School Loudonville | 340 | 43.5% | 60.9% |
| Fairless High School Brewster | 327 | 41.3% | 63.2% |
| Southeast High School Ravenna | 424 | 46.0% | 61.3% |
Matched among Ohio high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Black River High School ranks
Among high schools| Measure | This school | In Ohio | In Ashland County |
|---|---|---|---|
| State test proficiency ranked highest first | 72.5% | #195 of 403 | N/A |
| Math proficiency ranked highest first | 69.7% | #133 of 776 ▲ 41 | N/A |
| Reading proficiency ranked highest first | 79.2% | #137 of 774 ▲ 191 | N/A |
| 3-year test score change ranked biggest gain first | +20.2pp | #13 of 742 | N/A |
| Enrollment ranked largest first | 339 | #550 of 888 | #5 of 7 |
| Students per teacher ranked fewest first | 16.9:1 | #410 of 739 | #5 of 6 |
| Diversity index ranked most diverse first | 12.9% | #567 of 749 | #2 of 6 |
| Free and reduced lunch ranked highest share first | 44.8% | #199 of 435 | N/A |
| Enrollment change since 2017-18 ranked fastest growth first | +3.0% | #147 of 198 | N/A |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
339
+44 (+15%) vs 2020
-15% since 1990-91, when it was 397
Student : Teacher
16.9:1
was 13.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 339 | 20 | 16.9:1 | 45% (152) |
| 2023-24 | 283 | 21 | 13.5:1 | 43% (122) |
| 2022-23 | 316 | 21 | 15.1:1 | 37% (117) |
| 2020-21 | 295 | 22 | 13.4:1 | N/A |
| 2017-18 | 329 | 20.5 | 16.1:1 | 35% (116) |
| 2015-16 | 380 | 22 | 17.3:1 | 35% (133) |
| 2010-11 | 431 | 29 | 14.9:1 | 38% (163) |
| 2000-01 | 452 | 22 | 20.6:1 | 10% (43) |
| 1990-91 | 397 | 18 | 22.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Black River High School.
Since 2017-18: students up 3% (329 to 339); teachers down 2% (20.5 to 20).
About Black River High School
Black River High School is a low-enrollment high school. Its address is in Sullivan, Ohio. Enrollment in 2024-25 was 339 students in grades 8 through 12. The average for high schools in Ohio is about 565 students, so this school is 40% smaller than average.
Black River High School falls under Black River Local, which has 3 schools enrolling 935 students.
Black River High School enrolls a student body that is 93% White. After that, the student body is 3% Hispanic and 2% multiracial. For comparison, Ashland County is about 95% White. The chance that two students picked at random at Black River High School belong to different racial or ethnic groups, known as the diversity index, is 13%.
Dividing enrollment by its 20 full-time-equivalent teachers gives a ratio of about 16.9:1. Among high schools in Ohio, the typical ratio is 17.7:1. Eligible students account for 45% of enrollment in the free or reduced-price lunch program.
The allk12 Grade for Black River High School is A-. Compared with Ohio public high schools, the school scored higher than 78% on a mix of test scores, poverty-adjusted results, and recent trend.
On the allk12 BeatsExpectations measure, Black River High School is within a point of the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 72.5% actual, 71.9% predicted. That is outside both the top and bottom 10% in Ohio.
County data help place the school in context: in Ashland County, median household income is about $69,860, a bachelor's degree or higher is held by about 23% of adults, and the poverty rate is about 8%. The public schools of Ashland County number 21 and enroll about 6,940.
The nearest public school is Black River Education Center Middle School, at about 0.2 miles. There are 2 other public schools within five miles. Of the 4 nearby schools with scores, including this one, Black River High School is 2nd on average proficiency.
The school is in rural territory some distance from an urban area, according to its NCES locale (Rural: Distant).
A comparison of 2020-21 and 2024-25 shows enrollment up 15%, from 295 to 339. By 2024-25, the school had 16.9 students per teacher, compared with 13.4 in 2020-21.
The discussion area below is open to posts about enrollment questions, class placement, and PTA news. Reviews and ratings from people who know the school are welcome.
Ashland County at a glance
View full county profilePopulation
52,256
Census ACS
Median income
$69,860
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
21
6,940 students
Quick facts
Related schools
Other schools in Black River Local
- Black River Education Center Elementary SchoolElementary · 443 students
- Black River Education Center Middle SchoolMiddle · 153 students
- Black River Local Virtual SchoolCombined
Other schools in Sullivan
- Black River Education Center Elementary SchoolElementary · 443 students
- Black River Education Center Middle SchoolMiddle · 153 students
- Black River Local Virtual SchoolCombined
Nearby schools
- Black River Education Center Middle School0.2 mi · 153
- Black River Education Center Elementary School0.2 mi · 443
- Mapleton Elementary School8.2 mi · 363
- Mapleton High School8.3 mi · 202
- Mapleton Virtual Academy8.3 mi · 19
- Mapleton Middle School8.3 mi · 172
Frequently asked questions
About Black River High SchoolHow many students attend Black River High School?
Black River High School enrolls approximately 339 students in grades 08-12.
What grades does Black River High School serve?
Black River High School serves grades 08-12.
What is the student-teacher ratio at Black River High School?
The student-to-teacher ratio at Black River High School is approximately 16.9:1 (20 FTE teachers).
What is the student diversity at Black River High School?
Student demographics at Black River High School are roughly 93% White, 3% Hispanic, 1% Black, 0% Asian, 2% Two or more.
Is Black River High School public or private?
Black River High School is a public K-12 school, overseen by Black River Local.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.