For the 2026 school year, there is 1 private school serving 55 students in Washington County, MO (there are 12 public schools, serving 3,356 public students). 2% of all K-12 students in Washington County, MO are educated in private schools (compared to the MO state average of 12%).
100% of private schools in Washington County, MO are religiously affiliated (most commonly Catholic).
Private Schools in Washington County (2026)
School
Location
Quick Facts
St. Joachim Elementary School
(Catholic)
10121 Crest Rd
Cadet, MO 63630
(573) 438-3973
Cadet, MO 63630
(573) 438-3973
Gr: PK-8 | 55 students
Overview
This County (Washington County)
This State (MO)
# Schools
1 School
Student Body:
# Students
55 Students
119,675 Students
% Average Students of Color
2%
20%
Academics and Faculty:
# Teachers
6 Teachers
9,933 Teachers
Average Student-Teacher Ratio
9:1
12:1
Tuition and Acceptance Rate:
Students by Ethnicity:
Diversity Score
0.39
0.55
# American Indian Students
n/a
284 Students
% American Indian Students
n/a
n/a
# Asian Students
n/a
3,149 Students
% Asian Students
n/a
3%
# Hispanic Students
n/a
5,326 Students
% Hispanic Students
n/a
5%
# Black Students
1 Student
7,606 Students
% Black Students
2%
7%
# White Students
41 Students
73,112 Students
% White Students
74%
62%
# Hawaiian Students
n/a
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
13 Students
27,369 Students
% of Others Students
24%
23%
All Ethnic Groups
Extracurriculars and Sports:
Frequently Asked Questions
How many private schools are located in Washington County, MO?
1 private schools are located in Washington County, MO.
What percentage of students in Washington County go to private school?
2% of all K-12 students in Washington County are educated in private schools (compared to the MO state average of 12%).
What percentage of private schools are religiously affiliated in Washington County?
100% of private schools in Washington County are religiously affiliated (most commonly Catholic).
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