For the 2026 school year, there are 4 public high schools serving 2,539 students in Union County, OH.
The top-ranked public high schools in Union County, OH are Marysville Stem Early College High School, Fairbanks High School and North Union High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Union County, OH public high schools have an average math proficiency score of 50% (versus the Ohio public high school average of 40%), and reading proficiency score of 77% (versus the 57% statewide average). High schools in Union County have an average ranking of 9/10, which is in the top 20% of Ohio public high schools.
Union County, OH public high school have a Graduation Rate of 91%, which is more than the Ohio average of 87%.
The school with highest graduation rate is Fairbanks High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Ohio or national school graduation rate statistics.
Minority enrollment is 13% of the student body (majority Hispanic), which is less than the Ohio public high school average of 34% (majority Black).
Best Public High Schools in Union County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Marysville Stem Early College High School
(Math: 60-64% | Reading: 90-94%)
Rank:
Rank:
9/
Top 20%10
833 N Maple St
Marysville, OH 43040
(937) 578-6100
Marysville, OH 43040
(937) 578-6100
Gr: 9-12 | 692 students Student-teacher ratio: 29:1 Minority enrollment: 13%
Rank: #22.
Fairbanks High School
(Math: 50-54% | Reading: 80-84%)
Rank:
Rank:
7/
Top 50%10
11158 State Route 38
Milford Center, OH 43045
(937) 349-3721
Milford Center, OH 43045
(937) 349-3721
Gr: 9-12 | 390 students Student-teacher ratio: 20:1 Minority enrollment: 7%
Rank: #33.
North Union High School
(Math: 55-59% | Reading: 65-69%)
Rank:
Rank:
6/
Top 50%10
401 N Franklin St
Richwood, OH 43344
(740) 943-3012
Richwood, OH 43344
(740) 943-3012
Gr: 9-12 | 385 students Student-teacher ratio: 17:1 Minority enrollment: 3%
Rank: #44.
Marysville High School
(Math: 38% | Reading: 69%)
Rank:
Rank:
5/
Bottom 50%10
800 Amrine Mill Rd
Marysville, OH 43040
(937) 642-0010
Marysville, OH 43040
(937) 642-0010
Gr: 9-12 | 1,100 student Student-teacher ratio: 20:1 Minority enrollment: 21%
Frequently Asked Questions
What are the top-ranked public high schools in Union County, OH?
The top-ranked public high schools in Union County, OH include Marysville Stem Early College High School, Fairbanks High School and North Union High School.
How many public high schools are located in Union County?
4 public high schools are located in Union County.
What is the racial composition of students in Union County?
Union County public high schools minority enrollment is 13% of the student body (majority Hispanic), which is less than the Ohio public high schools average of 34% (majority Black).
Which public high schools in Union County are often viewed compared to one another?
Popular comparisons of public high schools in Union County include: Marysville Stem Early College High School vs. Marysville High School, Fairbanks High School vs. Marysville High School, North Union High School vs. Marysville High School
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