Private School Review - Established 2003

Best Washington County Private Schools (2026-27)

For the 2026-27 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 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).

Quick Facts (2026-27)

Quick Facts (2026-27)

Private Schools in Washington County (2026-27)

Map of St. Joachim Elementary School
St. Joachim Elementary School
Gr: PK-8 | 55 students
Catholic
10121 Crest Rd
Cadet, MO 63630
(573) 438-3973
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Overview

Category
This State (MO)
US
# Schools
1 School

Trends in Total Number of Private Schools

YearWashington County Total Schools
20251
20241
20231
20221
20211
20201
20191
20181
20171
20161
20151
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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
55 Students
119,555 Students

Trends in the Average Number of Students Per Private School

YearWashington County AverageMissouri (MO) AverageNational Average
202555194179
202455190172
202368185174
202260196185
202160192180
202060183171
201955184175
201855183172
201779190180
201679188178
201579180167
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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
2%
21%

Percentage of Students of Color Trends (2015-2025)

YearWashington County AverageMissouri (MO) AverageNational Average
20252%20%34%
20242%21%34%
20222%18%33%
20212%18%32%
20202%19%32%
20192%18%31%
20182%18%31%
20176%21%32%
20166%21%32%
20156%20%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
6 Teachers
9,942 Teachers
Average Student-Teacher Ratio
9:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearWashington County AverageMissouri (MO) AverageNational Average
20259:112:111:1
20249:112:111:1
202314:113:111:1
202215:113:111:1
202115:113:111:1
202015:113:112:1
201911:112:112:1
201811:113:112:1
201716:112:112:1
201616:112:112:1
201516:112:112:1
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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:

Students by Ethnicity:

0.39
0.55

Diversity Score Trends

YearWashington County AverageMissouri (MO) AverageNational Average
20250.390.550.65
20240.390.560.65
20230.230.540.65
20220.390.520.64
20210.390.520.64
20200.390.520.64
20190.330.500.63
20180.330.500.63
20170.500.460.61
20160.500.460.61
20150.500.450.61
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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
283 Students
% American Indian Students
n/a
n/a
# Asian Students
n/a
3,147 Students
% Asian Students
n/a
3%
# Hispanic Students
n/a
5,325 Students
% Hispanic Students
n/a
5%

Hispanic Student Percentage Trends

YearWashington County AverageMissouri (MO) AverageNational Average
20173%2%8%
20163%2%8%
20153%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
1 Student
7,603 Students
% Black Students
2%
7%

Black Student Percentage Trends

YearWashington County AverageMissouri (MO) AverageNational Average
20252%6%7%
20242%7%7%
20222%6%7%
20212%7%7%
20202%7%8%
20192%7%7%
20182%7%7%
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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.

# White Students
41 Students
73,073 Students
% White Students
74%
62%

White Student Percentage Trends

YearWashington County AverageMissouri (MO) AverageNational Average
202575%62%52%
202475%62%52%
202387%64%52%
202275%66%54%
202175%66%54%
202075%66%54%
201980%68%56%
201880%68%56%
201737%71%58%
201637%71%58%
201537%72%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
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
27,521 Students
% of Others Students
24%
23%

Other Races Student Percentage Trends

YearWashington County AverageMissouri (MO) AverageNational Average
202523%23%26%
202423%23%26%
202313%23%25%
202223%21%25%
202123%21%25%
202023%21%24%
201918%19%24%
201818%19%23%
201760%18%22%
201660%17%22%
201560%16%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

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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