Best Williamson County Private Preschools (2026)

For the 2026 school year, there are 3 private preschools serving 485 students in Williamson County, IL.

The private preschool in Williamson County, IL is Our Lady Of Mt Carmel School.

100% of private preschools in Williamson County, IL are religiously affiliated (most commonly Seventh Day Adventist and Christian).

Top-Ranked Williamson County Private Preschools (2026)

School

Location

Quick Facts

Our Lady Of Mt Carmel School

(Catholic)

Add to Compare

300 W Monroe St
Herrin, IL 62948
(618) 942-4484

Gr: PK-8 | 256 students

Marion Adventist School

(Seventh Day Adventist)

Add to Compare

9314 Old Route 13
Marion, IL 62959
(618) 997-1430

Gr: PK-5 | 12 students Tuition listed

Unity Christian School

(Christian)

Add to Compare

100 E College St
Energy, IL 62933
(618) 542-3802

Gr: PK-8 | 217 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 3 Tuition listed

Overview

This County (Williamson County)

This State (IL)

# Schools

3 Schools

View Data

Trends in Total Number of Private Preschools
Year	Williamson County Total Schools
2025	3
2024	3
2023	3
2022	2
2021	2
2020	4
2019	3
2018	3
2017	2
2016	2
2015	2

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Student Body:

# Students

485 Students

182,440 Students

View Data

Trends in the Average Number of Students Per Private Preschool
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	162	160	191
2024	162	158	187
2023	166	164	185
2022	236	168	188
2021	236	164	184
2020	131	159	179
2019	166	166	182
2018	166	165	181
2017	142	167	183
2016	141	165	181
2015	145	156	173

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% Average Students of Color

33%

View Data

Percentage of Students of Color Trends (2015-2025)
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	5%	33%	32%
2024	5%	33%	32%
2023	7%	34%	32%
2022	7%	34%	31%
2021	7%	34%	32%
2020	7%	35%	31%
2019	8%	33%	31%
2018	7%	33%	30%
2017	8%	33%	31%
2016	8%	34%	31%
2015	8%	35%	31%

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Academics and Faculty:

# Teachers

34 Teachers

12,933 Teachers

Average Student-Teacher Ratio

14:1

View Data

Student-Teacher Ratio Trends (2015-2025)
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	14:1	14:1	12:1
2024	14:1	14:1	12:1
2023	14:1	14:1	12:1
2022	12:1	14:1	12:1
2021	12:1	14:1	12:1
2020	12:1	14:1	12:1
2019	12:1	14:1	12:1
2018	12:1	14:1	12:1
2017	11:1	14:1	12:1
2016	11:1	14:1	12:1
2015	11:1	15:1	13:1

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% Average Faculty w/Advanced Degree

15%

49%

View Data

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	15%	49%	51%
2024	15%	47%	51%
2023	15%	47%	51%
2022	15%	47%	51%
2021	15%	46%	50%
2020	15%	46%	50%
2019	15%	46%	50%
2018	15%	46%	50%
2017	15%	45%	49%
2016	15%	45%	49%
2015	15%	46%	48%

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Average Class Size

15 students

17 students

View Data

Class Size Trends (2015-2025)
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	15	17	16
2024	15	17	16
2023	15	17	16
2022	15	17	16
2021	15	17	16
2020	15	17	16
2019	18	17	16
2018	18	17	16
2017	18	17	16
2016	18	17	16
2015	18	16	16

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$4,500

$11,300

View Data

Tuition Cost Trends (2015-2025)
Year	Williamson County Average	Illinois (IL) Average	National 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

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Students by Ethnicity:

0.42

0.66

View Data

Diversity Score Trends
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	0.42	0.66	0.65
2024	0.42	0.66	0.65
2023	0.44	0.66	0.65
2022	0.52	0.66	0.64
2021	0.52	0.66	0.64
2020	0.52	0.67	0.64
2019	0.52	0.65	0.64
2018	0.52	0.66	0.64
2017	0.53	0.64	0.62
2016	0.53	0.64	0.62
2015	0.53	0.64	0.62

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# American Indian Students

n/a

436 Students

% American Indian Students

n/a

# Asian Students

7 Students

6,859 Students

% Asian Students

View Data

Asian Student Percentage Trends
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	1%	4%	4%
2024	1%	4%	5%
2023	3%	4%	5%
2022	2%	4%	5%
2021	2%	5%	5%
2020	2%	5%	4%
2019	2%	5%	5%
2018	2%	5%	5%
2017	4%	3%	3%
2016	4%	3%	3%
2015	4%	3%	3%

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# Hispanic Students

4 Students

15,824 Students

% Hispanic Students

View Data

Hispanic Student Percentage Trends
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	1%	9%	8%
2024	1%	9%	8%
2023	1%	9%	8%
2022	3%	9%	8%
2021	3%	9%	7%
2020	3%	9%	7%
2019	3%	8%	7%
2018	3%	8%	7%

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# Black Students

6 Students

11,947 Students

% Black Students

View Data

Black Student Percentage Trends
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	1%	7%	6%
2024	1%	7%	6%
2023	2%	7%	6%
2022	1%	7%	6%
2021	1%	7%	7%
2020	1%	8%	7%
2019	1%	7%	6%
2018	1%	7%	6%

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# White Students

353 Students

87,537 Students

% White Students

73%

48%

View Data

White Student Percentage Trends
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	73%	48%	48%
2024	73%	48%	48%
2023	72%	48%	48%
2022	62%	49%	50%
2021	62%	49%	50%
2020	61%	48%	51%
2019	61%	50%	52%
2018	61%	49%	52%
2017	40%	52%	54%
2016	40%	51%	54%
2015	39%	51%	54%

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# Hawaiian Students

1 Student

203 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

114 Students

58,024 Students

% of Others Students

24%

32%

View Data

Other Races Student Percentage Trends
Year	Williamson County Average	Illinois (IL) Average	National Average
2025	24%	32%	34%
2024	24%	32%	33%
2023	22%	32%	33%
2022	32%	31%	31%
2021	32%	30%	31%
2020	33%	30%	31%
2019	33%	30%	30%
2018	33%	31%	30%
2017	56%	29%	30%
2016	56%	30%	29%
2015	57%	31%	29%

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All Ethnic Groups