St. Brendan School Photo

Best Audrain County Private Schools (2026)

For the 2026 school year, there are 3 private schools serving 445 students in Audrain County, MO (there are 13 public schools, serving 3,298 public students). 12% of all K-12 students in Audrain County, MO are educated in private schools (compared to the MO state average of 12%).
The top-ranked private schools in Audrain County, MO include St. Joseph Elementary School and Missouri Military Academy.
The average acceptance rate is 75%, which is lower than the Missouri private school average acceptance rate of 86%.
67% of private schools in Audrain County, MO are religiously affiliated (most commonly Catholic).

Top-Ranked Audrain County Private Schools (2026)

School
Location
Quick Facts
Missouri Military Academy
Missouri Military Academy Photo - Missouri Military Academy develops cadets who are of sound moral character, who have self-disciplined to strive for and achieve their goals and who are academically prepared to attend college.
All-boys
(1)
204 N Grand St
Mexico, MO 65265
(573) 581-1776
Gr: 7-12 | 193 students Avg. class size: 14 students Sports: 15 | Extracurrculars: 25 Tuition & acceptance rate listed
St. Joseph Elementary School
(Catholic)
401 E Kellett St
Martinsburg, MO 65264
(573) 492-6283
Gr: PK-8 | 63 students
St. Brendan School
St. Brendan School Photo
(Catholic)
620 S Clark Street
Mexico, MO 65265
(573) 581-2443
Gr: PK-8 | 189 students Avg. class size: 15 students Sports: 7 Tuition listed

Overview

This County (Audrain County)
This State (MO)
# Schools
3 Schools

Student Body:

# Students
445 Students
119,978 Students
% Average Students of Color
16%
20%

Academics and Faculty:

# Teachers
44 Teachers
9,951 Teachers
Average Student-Teacher Ratio
10:1
12:1
% Average Faculty w/Advanced Degree
50%
56%
Average Class Size
15 students
15 students
Average Number of AP Courses
15 courses
15 courses
Average SAT score
1100
(Out of 1600)
1291
Average ACT score
19
(Out of 36)
26

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$21,250
$12,808
Average % on Financial Aid
45%
36%
Average Financial Aid Grant
$18,439
$6,130
Average Acceptance Rate
75%
86%
Average Endowment Size
$49 million
$23.69 million

Students by Ethnicity:

0.44
0.55
# American Indian Students
1 Student
284 Students
% American Indian Students
n/a
n/a
# Asian Students
18 Students
3,151 Students
% Asian Students
4%
3%
# Hispanic Students
35 Students
5,339 Students
% Hispanic Students
8%
5%
# Black Students
4 Students
7,609 Students
% Black Students
1%
7%
# White Students
325 Students
73,265 Students
% White Students
73%
62%
# Hawaiian Students
1 Student
218 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
61 Students
27,401 Students
% of Others Students
14%
23%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
25 extracurriculars
9 extracurriculars
Average Number of Sports
11 sports
7 sports

Frequently Asked Questions

What are the top-ranked private schools in Audrain County, MO?
The top-ranked private schools in Audrain County, MO include St. Joseph Elementary School and Missouri Military Academy.
How many private schools are located in Audrain County?
3 private schools are located in Audrain County.
What percentage of students in Audrain County go to private school?
12% of all K-12 students in Audrain County are educated in private schools (compared to the MO state average of 12%).
What percentage of private schools are religiously affiliated in Audrain County?
67% of private schools in Audrain County are religiously affiliated (most commonly Catholic).

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