Private School Review - Established 2003

Best Seneca County Private Schools (2026-27)

For the 2026-27 school year, there are 2 private schools serving 657 students in Seneca County, OH (there are 25 public schools, serving 8,739 public students). 7% of all K-12 students are educated in private schools (compared to the OH state average of 12%).
100% of private schools in Seneca County, OH are religiously affiliated (most commonly Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Seneca County Private Schools (2026-27)

Map of Calvert Catholic School
Calvert Catholic School
Gr: K-12 | 357 students
Catholic
152 Madison St
Tiffin, OH 44883
(419) 447-3844
View Profile
Map of Calvert Catholic Schools
Calvert Catholic Schools
Gr: PK-6 | 300 students
Catholic
357 S Washington St
Tiffin, OH 44883
(419) 447-5790
View Profile
[+] Show Closed Private Schools in Seneca County, Ohio

Seneca County Private Schools (Closed)

Map of St. Mary School
St. Mary School
Gr: K-4 | 311 students
Catholic
75 S Sandusky St
Tiffin, OH 44883
(419) 447-5202
View Profile
Map of St. Wendelin High School
St. Wendelin High School
Gr: 9-12 | 167 students
Catholic
533 N Countyline Street
Fostoria, OH 44830
(419) 435-8144
View Profile

Overview

Category
This State (OH)
US
# Schools
2 Schools

Trends in Total Number of Private Schools

YearSeneca County Total Schools
20252
20242
20234
20222
20214
20204
20195
20185
20175
20165
20154
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Students
657 Students
231,311 Students

Trends in the Average Number of Students Per Private School

YearSeneca County AverageOhio (OH) AverageNational Average
2025329195179
2024329183172
2023335189174
2022437228185
2021347218180
2020347183171
2019400188175
2018400186172
2017400228180
2016400225178
2015414208167
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

% Average Students of Color
4%
25%

Percentage of Students of Color Trends (2015-2025)

YearSeneca County AverageOhio (OH) AverageNational Average
20254%25%34%
20244%25%34%
20234%24%33%
20224%22%33%
20219%21%32%
20209%21%32%
20197%20%31%
20187%19%31%
201719%23%32%
201619%23%32%
20155%24%32%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Academics and Faculty:

# Teachers
55 Teachers
19,088 Teachers
Average Student-Teacher Ratio
12:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearSeneca County AverageOhio (OH) AverageNational Average
202512:113:111:1
202412:113:111:1
202321:113:111:1
202226:113:111:1
202118:113:111:1
202018:113:112:1
201916:114:112:1
201816:114:112:1
201716:114:112:1
201616:114:112:1
201517:114:112:1
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$45,000
$10,610

Students by Ethnicity:

0.21
0.59

Diversity Score Trends

YearSeneca County AverageOhio (OH) AverageNational Average
20250.210.580.65
20240.210.580.65
20230.380.560.65
20220.430.540.64
20210.450.540.64
20200.450.530.64
20190.430.510.63
20180.430.510.63
20170.430.480.61
20160.430.480.61
20150.400.470.61
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# American Indian Students
n/a
1,332 Students
% American Indian Students
n/a
1%
# Asian Students
15 Students
5,039 Students
% Asian Students
2%
2%

Asian Student Percentage Trends

YearSeneca County AverageOhio (OH) AverageNational Average
20252%2%5%
20242%2%5%
20231%3%5%
20222%3%4%
20211%3%4%
20201%3%4%
20191%2%4%
20181%2%4%
20171%2%4%
20161%2%4%
20152%3%4%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Hispanic Students
4 Students
10,835 Students
% Hispanic Students
1%
5%

Hispanic Student Percentage Trends

YearSeneca County AverageOhio (OH) AverageNational Average
20251%5%9%
20241%5%9%
20232%4%9%
20222%3%8%
20216%3%9%
20206%3%9%
20194%3%8%
20184%3%8%
20174%2%8%
20164%2%8%
20152%2%8%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Black Students
10 Students
24,257 Students
% Black Students
1%
10%

Black Student Percentage Trends

YearSeneca County AverageOhio (OH) AverageNational Average
20251%10%7%
20241%10%7%
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# White Students
637 Students
139,899 Students
% White Students
88%
59%

White Student Percentage Trends

YearSeneca County AverageOhio (OH) AverageNational Average
202588%60%52%
202488%60%52%
202376%62%52%
202271%64%54%
202171%64%54%
202071%65%54%
201972%67%56%
201872%67%56%
201772%70%58%
201672%70%58%
201574%70%58%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Hawaiian Students
n/a
309 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
54,126 Students
% of Others Students
8%
23%

Other Races Student Percentage Trends

YearSeneca County AverageOhio (OH) AverageNational Average
20258%22%26%
20248%22%26%
202321%21%25%
202225%21%25%
202122%20%25%
202022%20%24%
201923%19%24%
201823%19%23%
201723%18%22%
201623%18%22%
201522%17%21%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

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).

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