For the 2026 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 in Washington County, IL are educated in private schools (compared to the IL state average of 12%).
The top-ranked private schools in Washington County, IL include Trinity Lutheran School and Immanuel Lutheran School.
The average acceptance rate is 95%, which is higher than the Illinois private school average acceptance rate of 84%.
100% of private schools in Washington County, IL are religiously affiliated (most commonly Lutheran Church Missouri Synod).
Top-Ranked Washington County Private Schools (2026)
School
Location
Quick Facts
Immanuel Lutheran School
(Lutheran Church Missouri Synod)
606 S Hanover St
Okawville, IL 62271
(618) 243-6142
Okawville, IL 62271
(618) 243-6142
Gr: PK-8 | 90 students Avg. class size: 8 students Sports: 7 Tuition & acceptance rate listed
155 N. Main St.
Hoyleton, IL 62803
(618) 493-7754
Hoyleton, IL 62803
(618) 493-7754
Gr: PK-8 | 86 students
Trinity-st John Lutheran School
(Lutheran Church Missouri Synod)
680 W Walnut St
Nashville, IL 62263
(618) 327-8561
Nashville, IL 62263
(618) 327-8561
Gr: PK-8 | 124 students Avg. class size: 15 students Tuition listed
Washington County Private Schools (Closed)
School
Location
Quick Facts
St. Ann Catholic School (Closed 2024)
(Catholic)
675 S. Mill St.
Nashville, IL 62263
(618) 327-8741
Nashville, IL 62263
(618) 327-8741
Gr: PK-8 | 58 students Avg. class size: 10 students Tuition & acceptance rate listed
St. Michael School (Closed 2024)
(Catholic)
52 S 3rd St
Radom, IL 62876
(618) 485-6461
Radom, IL 62876
(618) 485-6461
Gr: K-9 | 69 students
Overview
This County (Washington County)
This State (IL)
# Schools
3 Schools
Student Body:
# Students
300 Students
251,460 Students
% Average Students of Color
3%
34%
Academics and Faculty:
# Teachers
19 Teachers
18,861 Teachers
Average Student-Teacher Ratio
16:1
13:1
Average Class Size
12 students
17 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$2,100
$12,508
Average % on Financial Aid
80%
34%
Average Financial Aid Grant
$1,000
$4,102
Average Acceptance Rate
95%
84%
Average Endowment Size
$50 million
$49.11 million
Students by Ethnicity:
Diversity Score
0.47
0.66
# American Indian Students
n/a
605 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
10,490 Students
% Asian Students
1%
4%
# Hispanic Students
n/a
25,056 Students
% Hispanic Students
n/a
10%
# Black Students
3 Students
21,056 Students
% Black Students
1%
9%
# White Students
196 Students
129,065 Students
% White Students
65%
51%
# 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
65,224 Students
% of Others Students
33%
26%
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).
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