For the 2025-26 school year, there are 3 private schools serving 432 students in Washington County, OH (there are 25 public schools, serving 7,398 public students). 6% of all K-12 students in Washington County, OH are educated in private schools (compared to the OH state average of 12%).
The top ranked private school in Washington County, OH is St. Mary School.
The average acceptance rate is 100%, which is higher than the Ohio private school average acceptance rate of 85%.
Top Ranked Washington County Private Schools (2025-26)
School
Location
Quick Facts
St. Mary School
(Catholic)
320 Marion St
Marietta, OH 45750
(740) 374-8181
Marietta, OH 45750
(740) 374-8181
Gr: K-8 | 168 students Tuition & acceptance rate listed
Oak Grove Christian School
(Christian)
535 Bf Goodrich Rd
Marietta, OH 45750
(740) 336-5041
Marietta, OH 45750
(740) 336-5041
Gr: PK-4 | 137 students
St. John Central Grade School
(Catholic)
17654 State Route 676
Marietta, OH 45750
(740) 896-2697
Marietta, OH 45750
(740) 896-2697
Gr: PK-8 | 127 students Avg. class size: 15 students Tuition & acceptance rate listed
Frequently Asked Questions
What are the top ranked private schools in Washington County, OH?
The top ranked private schools in Washington County, OH is St. Mary School.
How many private schools are located in Washington County?
3 private schools are located in Washington County.
What percentage of students in Washington County go to private school?
6% of all K-12 students in Washington County are educated in private schools (compared to the OH state average of 12%).
What percentage of private schools are religiously affiliated in Washington County?
Which private schools in Washington County are often viewed compared to one another?
Popular comparisons of private schools in Washington County include: St. Mary School vs. St. John Central Grade School, Oak Grove Christian School vs. St. Mary School, Oak Grove Christian School vs. St. John Central Grade School
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