Private School Review - Established 2003

Best Williamson County Private Preschools (2026-27)

For the 2026-27 school year, there are 3 private preschools serving 485 students in Williamson County, IL.
100% of private preschools in Williamson County, IL are religiously affiliated (most commonly Seventh Day Adventist and Catholic).

Quick Facts (2026-27)

Quick Facts (2026-27)

Top Ranked Williamson County Private Preschools (2026-27)

Map of Our Lady Of Mt Carmel School
Our Lady Of Mt Carmel School
Gr: PK-8 | 256 students
Catholic
300 W Monroe St
Herrin, IL 62948
(618) 942-4484
View Profile
Map of Marion Adventist School
Marion Adventist School
Gr: PK-5 | 12 students
Seventh Day Adventist
9314 Old Route 13
Marion, IL 62959
(618) 997-1430
View Profile
Unity Christian School Photo
Unity Christian School
Gr: PK-8 | 217 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 3
Christian
100 E College St
Energy, IL 62933
(618) 542-3802
View Profile

Overview

Category
This State (IL)
US
# Schools
3 Schools

Trends in Total Number of Private Preschools

YearWilliamson County Total Schools
20253
20243
20233
20222
20212
20204
20193
20183
20172
20162
20152
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
485 Students
182,037 Students

Trends in the Average Number of Students Per Private Preschool

YearWilliamson County AverageIllinois (IL) AverageNational Average
2025162160191
2024162158187
2023166164185
2022236168188
2021236164184
2020131159179
2019166166182
2018166165181
2017142167183
2016141165181
2015145156173
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
5%
32%

Percentage of Students of Color Trends (2015-2025)

YearWilliamson County AverageIllinois (IL) AverageNational Average
20255%33%32%
20245%33%32%
20237%34%32%
20227%34%31%
20217%34%32%
20207%35%31%
20198%33%31%
20187%33%30%
20178%33%31%
20168%34%31%
20158%35%31%
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
34 Teachers
12,952 Teachers
Average Student-Teacher Ratio
14:1
14:1

Student-Teacher Ratio Trends (2015-2025)

YearWilliamson County AverageIllinois (IL) AverageNational Average
202514:114:112:1
202414:114:112:1
202314:114:112:1
202212:114:112:1
202112:114:112:1
202012:114:112:1
201912:114:112:1
201812:114:112:1
201711:114:112:1
201611:114:112:1
201511:115:113:1
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 Faculty w/Advanced Degree
15%
49%

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearWilliamson County AverageIllinois (IL) AverageNational Average
202515%49%51%
202415%47%51%
202315%47%51%
202215%47%51%
202115%46%50%
202015%46%50%
201915%46%50%
201815%46%50%
201715%45%49%
201615%45%49%
201515%46%48%
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
15 students
17 students

Class Size Trends (2015-2025)

YearWilliamson County AverageIllinois (IL) AverageNational Average
2025151716
2024151716
2023151716
2022151716
2021151716
2020151716
2019181716
2018181716
2017181716
2016181716
2015181616
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
$4,500
$11,154

Tuition Cost Trends (2015-2025)

YearWilliamson County AverageIllinois (IL) AverageNational Average
2025$4,500$11,528$12,988
2024$4,500$7,850$10,159
2023$4,500$7,262$9,500
2022$4,500$6,990$8,989
2021$4,500$6,733$8,661
2020$4,500$6,588$8,383
2019$4,150$6,498$8,266
2018$4,150$6,221$7,888
2017$4,150$6,112$7,628
2016$3,900$5,726$7,230
2015$3,800$5,351$6,984
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 by Ethnicity:

0.42
0.66

Diversity Score Trends

YearWilliamson County AverageIllinois (IL) AverageNational Average
20250.420.660.65
20240.420.660.65
20230.440.660.65
20220.520.660.64
20210.520.660.64
20200.520.670.64
20190.520.650.64
20180.520.660.64
20170.530.640.62
20160.530.640.62
20150.530.640.62
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
436 Students
% American Indian Students
n/a
n/a
# Asian Students
7 Students
6,886 Students
% Asian Students
1%
4%

Asian Student Percentage Trends

YearWilliamson County AverageIllinois (IL) AverageNational Average
20251%4%4%
20241%4%5%
20233%4%5%
20222%4%5%
20212%5%5%
20202%5%4%
20192%5%5%
20182%5%5%
20174%3%3%
20164%3%3%
20154%3%3%
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
4 Students
15,765 Students
% Hispanic Students
1%
9%

Hispanic Student Percentage Trends

YearWilliamson County AverageIllinois (IL) AverageNational Average
20251%9%8%
20241%9%8%
20231%9%8%
20223%9%8%
20213%9%7%
20203%9%7%
20193%8%7%
20183%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.

# Black Students
6 Students
12,011 Students
% Black Students
1%
7%

Black Student Percentage Trends

YearWilliamson County AverageIllinois (IL) AverageNational Average
20251%7%6%
20241%7%6%
20232%7%6%
20221%7%6%
20211%7%7%
20201%8%7%
20191%7%6%
20181%7%6%
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
353 Students
87,535 Students
% White Students
73%
48%

White Student Percentage Trends

YearWilliamson County AverageIllinois (IL) AverageNational Average
202573%48%48%
202473%48%48%
202372%48%48%
202262%49%50%
202162%49%50%
202061%48%51%
201961%50%52%
201861%49%52%
201740%52%54%
201640%51%54%
201539%51%54%
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
1 Student
203 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
114 Students
57,864 Students
% of Others Students
24%
32%

Other Races Student Percentage Trends

YearWilliamson County AverageIllinois (IL) AverageNational Average
202524%32%34%
202424%32%33%
202322%32%33%
202232%31%31%
202132%30%31%
202033%30%31%
201933%30%30%
201833%31%30%
201756%29%30%
201656%30%29%
201557%31%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.

All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
3 extracurriculars
7 extracurriculars
Average Number of Sports
7 sports
5 sports

Frequently Asked Questions

What are the top ranked private preschools in Williamson County, IL?
The top ranked private preschools in Williamson County, IL is Our Lady Of Mt Carmel School.
How many private preschools are located in Williamson County?
3 private preschools are located in Williamson County.
What percentage of private preschools are religiously affiliated in Williamson County?
100% of private preschools in Williamson County are religiously affiliated (most commonly Seventh Day Adventist and Catholic).
Which private preschools in Williamson County are often viewed compared to one another?

Recent Articles

How Much Homework Is Too Much?
How Much Homework Is Too Much?
Learn how to compare private school homework expectations, recognize excessive workloads, evaluate assignment quality, and ask better questions about academic balance before choosing a school for your child.
Learning Support Without a Formal Program
Learning Support Without a Formal Program
Learn what private schools mean by informal learning support, how services differ from formal programs, and which questions families should ask before choosing the right school today.
Beyond AP vs. IB: How to Judge Academic Rigor
Beyond AP vs. IB: How to Judge Academic Rigor
Learn how to judge academic rigor at private schools without AP or IB by examining curriculum depth, assessments, faculty expectations, advanced coursework, student work, and college preparation outcomes.

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: