For the 2025-26 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 ²ÝÁñÉçÇø Schools (2025-26)
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 ²ÝÁñÉçÇø 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
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
Student Success Predictors at Community Colleges
A practical guide to student success predictors at community colleges for private school advisors helping graduates navigate two-year pathways.
Career Pathways with Community College for ²ÝÁñÉçÇø School Grads
Explore top career pathways with community college for private school graduates, including high-demand jobs, transfer options, and 2025 workforce trends.
Navigating the FAFSA & Financial Aid Timeline for Community College
Learn how to navigate FAFSA and financial aid timelines when starting at community college — from application to disbursement in 2025.