Private School Review - Established 2003

Best Washington County Private Schools (2026-27)

For the 2026-27 school year, there are 3 private schools serving 300 students in Washington County, IL (there are 7 public schools, serving 1,758 public students). 15% of all K-12 students are educated in private schools (compared to the IL state average of 12%).
The average acceptance rate is 95%, which is higher than the Illinois private school average acceptance rate of 85%.
100% of private schools in Washington County, IL are religiously affiliated (most commonly Lutheran Church Missouri Synod).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Washington County Private Schools (2026-27)

Map of Immanuel Lutheran School
Immanuel Lutheran School
Gr: PK-8 | 90 students
Avg. class size: 8 students
Sports: 7
Lutheran Church Missouri Synod
606 S Hanover St
Okawville, IL 62271
(618) 243-6142
View Profile
Map of Trinity Lutheran School
Trinity Lutheran School
Gr: PK-8 | 86 students
Lutheran Church Missouri Synod
155 N. Main St.
Hoyleton, IL 62803
(618) 493-7754
(2)
View Profile
Map of Trinity-st John Lutheran School
Trinity-st John Lutheran School
Gr: PK-8 | 124 students
Avg. class size: 15 students
Lutheran Church Missouri Synod
680 W Walnut St
Nashville, IL 62263
(618) 327-8561
View Profile
[+] Show Closed Private Schools in Washington County, Illinois

Washington County Private Schools (Closed)

St. Ann Catholic School Photo
St. Ann Catholic School
Gr: PK-8 | 58 students
Avg. class size: 10 students
Catholic
675 S. Mill St.
Nashville, IL 62263
(618) 327-8741
View Profile
Map of St. Michael School
St. Michael School
Gr: K-9 | 69 students
Catholic
52 S 3rd St
Radom, IL 62876
(618) 485-6461
View Profile

Overview

Category
This State (IL)
US
# Schools
3 Schools

Trends in Total Number of Private Schools

YearWashington County Total Schools
20253
20244
20235
20225
20215
20205
20195
20185
20175
20165
20155
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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
300 Students
251,350 Students

Trends in the Average Number of Students Per Private School

YearWashington County AverageIllinois (IL) AverageNational Average
2025100166179
202490162172
202383171174
202293178185
202191174180
202092168171
201991174175
201891171172
201796177180
201694175178
201599168167
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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
3%
34%

Percentage of Students of Color Trends (2015-2025)

YearWashington County AverageIllinois (IL) AverageNational Average
20253%34%34%
20243%34%34%
20232%34%33%
20223%34%33%
20213%34%32%
20202%35%32%
20194%33%31%
20183%33%31%
20173%34%32%
20163%34%32%
20153%35%32%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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
19 Teachers
18,872 Teachers
Average Student-Teacher Ratio
16:1
13:1

Student-Teacher Ratio Trends (2015-2025)

YearWashington County AverageIllinois (IL) AverageNational Average
202516:113:111:1
202413:113:111:1
202313:113:111:1
202213:113:111:1
202113:113:111:1
202012:113:112:1
201914:113:112:1
201814:114:112:1
201717:114:112:1
201616:114:112:1
201517:114:112:1
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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 Class Size
12 students
16 students

Class Size Trends (2016-2025)

YearWashington County AverageIllinois (IL) AverageNational Average
2025121615
202491715
202391715
2022121715
2021121715
2020151715
2019151715
2018151715
2017151715
2016151715
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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:

Average Yearly Tuition Cost
$2,100
$12,457

Tuition Cost Trends (2016-2025)

YearWashington County AverageIllinois (IL) AverageNational Average
2025$2,100$12,671$15,012
2024$2,800$9,594$13,254
2023$2,800$8,924$12,626
2022$2,575$8,609$12,187
2021$2,800$8,334$11,800
2020$2,800$8,312$11,512
2019$2,800$8,068$11,293
2018$2,750$7,898$11,017
2017$2,750$7,863$10,708
2016$2,600$7,289$10,356
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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 % on Financial Aid
80%
34%

Percent on Financial Aid Trends (2016-2025)

YearWashington County AverageIllinois (IL) AverageNational Average
202580%34%34%
202450%33%34%
202350%33%34%
202250%32%33%
202120%31%33%
202020%32%32%
201920%31%31%
201815%30%30%
201715%29%30%
201610%29%29%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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 Financial Aid Grant
$1,000
$4,422

Financial Aid Grant Trends (2022-2025)

YearWashington County AverageIllinois (IL) AverageNational Average
2025$1,000$3,868$7,073
2024$1,350$3,415$6,930
2023$1,350$2,426$6,469
2022$1,000$2,492$6,289
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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 Acceptance Rate
95%
85%

Acceptance Rate Trends (2022-2025)

YearWashington County AverageIllinois (IL) AverageNational Average
202595%84%81%
202493%90%85%
202393%91%85%
202295%91%85%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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 Endowment Size
$50 million
$50.13 million

Students by Ethnicity:

0.47
0.66

Diversity Score Trends

YearWashington County AverageIllinois (IL) AverageNational Average
20250.470.660.65
20240.420.660.65
20230.380.660.65
20220.410.650.64
20210.390.650.64
20200.400.660.64
20190.390.650.63
20180.390.650.63
20170.440.620.61
20160.430.620.61
20150.460.630.61
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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
605 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
10,480 Students
% Asian Students
1%
4%

Asian Student Percentage Trends

YearWashington County AverageIllinois (IL) AverageNational Average
20241%5%5%
20232%5%5%
20221%4%4%
20211%5%4%
20201%4%4%
20191%4%4%
20181%5%4%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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.

# Hispanic Students
n/a
25,032 Students
% Hispanic Students
n/a
10%

Hispanic Student Percentage Trends

YearWashington County AverageIllinois (IL) AverageNational Average
20221%10%8%
20211%10%9%
20201%10%9%
20191%9%8%
20181%9%8%
20172%9%8%
20162%9%8%
20151%9%8%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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
3 Students
21,046 Students
% Black Students
1%
9%

Black Student Percentage Trends

YearWashington County AverageIllinois (IL) AverageNational Average
20252%8%7%
20241%8%7%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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
196 Students
128,862 Students
% White Students
65%
51%

White Student Percentage Trends

YearWashington County AverageIllinois (IL) AverageNational Average
202565%51%52%
202472%51%52%
202375%51%52%
202272%53%54%
202175%52%54%
202073%52%54%
201975%53%56%
201875%53%56%
201769%56%58%
201670%56%58%
201567%55%58%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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
338 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
100 Students
65,479 Students
% of Others Students
33%
26%

Other Races Student Percentage Trends

YearWashington County AverageIllinois (IL) AverageNational Average
202533%26%26%
202426%26%26%
202323%26%25%
202226%25%25%
202123%25%25%
202025%25%24%
201923%25%24%
201823%24%23%
201729%22%22%
201628%23%22%
201532%23%21%
Download Table: Download as CSV | Download as XML | Download as JSON
Download Full County Data: Full County Dataset XML | Full County Dataset JSON

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:

Average Number of Sports
7 sports
6 sports

Frequently Asked Questions

What are the top ranked private schools in Washington County, IL?
The top ranked private schools in Washington County, IL include Trinity Lutheran School and Immanuel Lutheran School.
How many private schools are located in Washington County?
3 private schools are located in Washington County.
What percentage of students in Washington County go to private school?
15% of all K-12 students in Washington County are educated in private schools (compared to the IL 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 Lutheran Church Missouri Synod).

Recent Articles

Will This Curriculum Still Matter in 2035?
Will This Curriculum Still Matter in 2035?
Learn how to evaluate future-ready private school curricula for 2035, focusing on durable knowledge, critical thinking, AI literacy, adaptability, communication, creativity, and real-world learning before choosing a school.
Private Schools for Creators, Trades & Startups
Private Schools for Creators, Trades & Startups
Explore how private schools support non-traditional career paths in creative industries, skilled trades, and entrepreneurship, plus what families should evaluate when choosing specialized programs for future-ready students today.
First 90 Days at Private School: Parent Guide
First 90 Days at Private School: Parent Guide
Learn how to read your child’s first 90 days at private school, distinguish healthy adjustment from genuine struggles, and know when academic, social, or emotional concerns require action.

Filter Schools

School Level
Must Offer Grade
▼ Show more
Gender
School Focus
Religious Affiliation
ADD/ADHD Support
Summer Program

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (IL):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA: