For the 2026 school year, there are 2 private schools serving 657 students in Seneca County, OH (there are , serving 8,739 public students). 7% of all K-12 students in Seneca County, OH are educated in private schools (compared to the OH state average of 12%).
The top-ranked private schools in Seneca County, OH include Calvert Catholic School and Calvert Catholic Schools.
100% of private schools in Seneca County, OH are religiously affiliated (most commonly Catholic).
Top-Ranked Seneca County 草榴社区 Schools (2026)
School
Location
Quick Facts
Calvert Catholic School
(Catholic)
152 Madison St
Tiffin, OH 44883
(419) 447-3844
Tiffin, OH 44883
(419) 447-3844
Gr: K-12 | 357 students Tuition listed
Calvert Catholic Schools
(Catholic)
357 S Washington St
Tiffin, OH 44883
(419) 447-5790
Tiffin, OH 44883
(419) 447-5790
Gr: PK-6 | 300 students
Seneca County 草榴社区 Schools (Closed)
School
Location
Quick Facts
St. Mary School (Closed 2023)
(Catholic)
75 S Sandusky St
Tiffin, OH 44883
(419) 447-5202
Tiffin, OH 44883
(419) 447-5202
Gr: K-4 | 311 students
St. Wendelin High School (Closed 2023)
(Catholic)
533 N Countyline Street
Fostoria, OH 44830
(419) 435-8144
Fostoria, OH 44830
(419) 435-8144
Gr: 9-12 | 167 students
Overview
This County (Seneca County)
This State (OH)
# Schools
2 Schools
Student Body:
# Students
657 Students
229,384 Students
% Average Students of Color
4%
25%
Academics and Faculty:
# Teachers
55 Teachers
19,025 Teachers
Average Student-Teacher Ratio
12:1
13:1
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$45,000
$10,620
Students by Ethnicity:
Diversity Score
0.21
0.58
# American Indian Students
n/a
1,334 Students
% American Indian Students
n/a
1%
# Asian Students
15 Students
5,047 Students
% Asian Students
2%
2%
# Hispanic Students
4 Students
10,842 Students
% Hispanic Students
1%
5%
# Black Students
10 Students
24,295 Students
% Black Students
1%
10%
# White Students
637 Students
140,233 Students
% White Students
88%
60%
# Hawaiian Students
n/a
311 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
54 Students
51,920 Students
% of Others Students
8%
22%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
What are the top-ranked private schools in Seneca County, OH?
The top-ranked private schools in Seneca County, OH include Calvert Catholic School and Calvert Catholic Schools.
How many private schools are located in Seneca County?
2 private schools are located in Seneca County.
What percentage of students in Seneca County go to private school?
7% of all K-12 students in Seneca County are educated in private schools (compared to the OH state average of 12%).
What percentage of private schools are religiously affiliated in Seneca County?
100% of private schools in Seneca County are religiously affiliated (most commonly Catholic).
Recent Articles
Year-Round Schooling: Pros and Cons (2026 Guide)
Explore year-round schooling pros and cons in 2026. Learn benefits, drawbacks, schedules, and whether it fits your child鈥檚 needs.
草榴社区 School Dress Codes: 2026 Guide for Families
Learn how private school dress codes work in 2026, including benefits, costs, flexibility, and what parents should expect.
How to Negotiate 草榴社区 School Tuition Legally
Learn how to negotiate private school tuition legally with proven strategies, financial aid tips, and 2026 insights for families.