For the 2026 school year, there are 4 private high schools serving 1,126 students in St. Mary's County, MD.
The top-ranked private high schools in St. Mary's County, MD include The Kings Christian Academy and St. Mary's Ryken, A college preparatory Catholic high school.
The average acceptance rate is 93%, which is higher than the Maryland private high school average acceptance rate of 77%.
Top-Ranked St. Mary's County Private High Schools (2026)
School
Location
Quick Facts
20738 Point Lookout Road
Callaway, MD 20620
(301) 994-3080
Callaway, MD 20620
(301) 994-3080
Gr: PK-12 | 348 students Avg. class size: 20 students Sports: 9 | Extracurrculars: 5 Tuition listed
22600 Camp Calvert Road
Leonardtown, MD 20650
(301) 373-4184
Leonardtown, MD 20650
(301) 373-4184
Gr: 9-12 | 680 students Avg. class size: 20 students Sports: 20 | Extracurrculars: 26 Tuition & acceptance rate listed
41740 Baldridge Street
Leonardtown, MD 20650
(301) 475-8029
Leonardtown, MD 20650
(301) 475-8029
Gr: 6-12 | 40 students
29855 Eldorado Farm Lane
Mechanicsville, MD 20659
(301) 884-8503
Mechanicsville, MD 20659
(301) 884-8503
Gr: NS-12 | 58 students Avg. class size: 10 students Sports: 3
St. Mary's County Private Schools (Closed)
School
Location
Quick Facts
Busy Corner School (Closed 2025)
(Mennonite)
40285 Busy Corner Rd
Leonardtown, MD 20650
Leonardtown, MD 20650
Gr: 1-8 | 26 students
Friendship Mennonite School (Closed 2025)
(Mennonite)
25979 Friendship School Rd
Mechanicsville, MD 20659
Mechanicsville, MD 20659
Gr: 1-8 | 32 students
21335 Colton Point Road
Avenue, MD 20609
(301) 769-3389
Avenue, MD 20609
(301) 769-3389
Gr: NS-8 | 109 students
Loveville Mennonite School (Closed 2025)
(Mennonite)
25968 Loveville Rd
Mechanicsville, MD 20659
(301) 475-3084
Mechanicsville, MD 20659
(301) 475-3084
Gr: 1-8 | 44 students
Parsons Mill Rd
Leonardtown, MD 20650
(301) 475-2358
Leonardtown, MD 20650
(301) 475-2358
Gr: 1-10 | 30 students
Pin Cushion Mennonite School (Closed 2024)
(Mennonite)
24981 Pin Cushion Rd
Leonardtown, MD 20650
Leonardtown, MD 20650
Gr: 1-8 | 26 students
Overview
This County (St. Mary's County)
This State (MD)
# Schools
4 Schools
Student Body:
# Students
1,126 Students
73,515 Students
% Average Students of Color
37%
36%
Academics and Faculty:
# Teachers
114 Teachers
8,573 Teachers
Average Student-Teacher Ratio
10:1
9:1
% Average Faculty w/Advanced Degree
68%
60%
Average Class Size
17 students
15 students
Average Number of AP Courses
20 courses
13 courses
Average SAT score
1230
(Out of 1600)
1231
Average ACT score
24
(Out of 36)
27
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$16,025
$20,338
Average % on Financial Aid
80%
36%
Average Financial Aid Grant
$4,400
$9,481
Average Acceptance Rate
93%
77%
Average Endowment Size
$5 million
$71.3 million
Students by Ethnicity:
Diversity Score
0.39
0.60
# American Indian Students
3 Students
246 Students
% American Indian Students
n/a
n/a
# Asian Students
41 Students
2,593 Students
% Asian Students
4%
4%
# Hispanic Students
43 Students
3,308 Students
% Hispanic Students
4%
5%
# Black Students
125 Students
12,752 Students
% Black Students
11%
17%
# White Students
872 Students
43,528 Students
% White Students
77%
59%
# Hawaiian Students
6 Students
300 Students
% Hawaiian Students
1%
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
36 Students
11,381 Students
% of Others Students
3%
15%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
16 extracurriculars
15 extracurriculars
Average Number of Sports
11 sports
10 sports
Frequently Asked Questions
What are the top-ranked private high schools in St. Mary's County, MD?
The top-ranked private high schools in St. Mary's County, MD include The Kings Christian Academy and St. Mary's Ryken, A college preparatory Catholic high school.
How many private high schools are located in St. Mary's County?
4 private high schools are located in St. Mary's County.
What percentage of private high schools are religiously affiliated in St. Mary's County?
Which private high schools in St. Mary's County are often viewed compared to one another?
Popular comparisons of private high schools in St. Mary's County include: Leonard Hall Junior Naval Academy vs. The Kings Christian Academy, Victory Baptist Academy vs. The Kings Christian Academy
Recent Articles
Parent Engagement in Private Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating Private School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
2026 Roadmap to Starting a Private School
A 2026 guide to launching a private school, covering planning, costs, admissions timing, governance, and trends parents care about now.