For the 2026 school year, there are 2 private schools serving 386 students in Darke County, OH (there are 22 public schools, serving 7,592 public students). 5% of all K-12 students in Darke County, OH are educated in private schools (compared to the OH state average of 12%).
The top-ranked private school in Darke County, OH is St. Mary Catholic School.
The average acceptance rate is 99%, which is higher than the Ohio private school average acceptance rate of 84%.
50% of private schools in Darke County, OH are religiously affiliated (most commonly Catholic).
Top-Ranked Darke County Private Schools (2026)
School
Location
Quick Facts
St. Mary Catholic School
(Catholic)
238 W 3rd St
Greenville, OH 45331
(937) 548-2345
Greenville, OH 45331
(937) 548-2345
Gr: PK-8 | 98 students Avg. class size: 15 students Tuition listed
Decolores Montessori School
Montessori School
312 Central Avenue
Greenville, OH 45331
(937) 547-1334
Greenville, OH 45331
(937) 547-1334
Gr: PK-9 | 288 students Avg. class size: 15 students Extracurrculars: 5 Tuition & acceptance rate listed
Overview
This County (Darke County)
This State (OH)
# Schools
2 Schools
Student Body:
# Students
386 Students
229,228 Students
% Average Students of Color
3%
25%
Academics and Faculty:
# Teachers
28 Teachers
18,992 Teachers
Average Student-Teacher Ratio
14:1
13:1
% Average Faculty w/Advanced Degree
30%
50%
Average Class Size
15 students
17 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$8,183
$10,635
Average Acceptance Rate
99%
84%
Students by Ethnicity:
Diversity Score
0.50
0.58
# American Indian Students
2 Students
1,332 Students
% American Indian Students
1%
1%
# Asian Students
n/a
5,040 Students
% Asian Students
n/a
2%
# Hispanic Students
1 Student
10,837 Students
% Hispanic Students
n/a
5%
# Black Students
3 Students
24,287 Students
% Black Students
1%
10%
# White Students
225 Students
139,932 Students
% White Students
58%
60%
# 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
155 Students
52,074 Students
% of Others Students
40%
22%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
5 extracurriculars
9 extracurriculars
Frequently Asked Questions
What are the top-ranked private schools in Darke County, OH?
The top-ranked private schools in Darke County, OH is St. Mary Catholic School.
How many private schools are located in Darke County?
2 private schools are located in Darke County.
What percentage of students in Darke County go to private school?
5% of all K-12 students in Darke County are educated in private schools (compared to the OH state average of 12%).
What percentage of private schools are religiously affiliated in Darke County?
50% of private schools in Darke County are religiously affiliated (most commonly Catholic).
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