[+] Show Closed Private Schools in St. Clair County, Illinois

St. Clair County Private Schools (Closed)

Apostolic Learning Academy

Gr: K-12

Pentecostal

400 Louisa Avenue

Dupo, IL 62239

(618) 286-4279

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Faith Baptist School

Gr: PK-12 | 48 students

Baptist

413 E Main St

Belleville, IL 62220

(618) 234-3391

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Holy Family Catholic School

Gr: K-9 | 104 students

Catholic

116 E 1st St

East Saint Louis, IL 62206

(618) 337-2880

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Holy Rosary School

Gr: K-8 | 133 students

Catholic

2727 N 43rd Street

East Saint Louis, IL 62201

(618) 271-8600

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St. Agatha Continuation School

Gr: PK-8 | 45 students

Catholic

207 S Market St

New Athens, IL 62264

(618) 475-2170

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St. Mary Elementary School

Gr: PK-8 | 108 students

Catholic

1722 West Main Street

Belleville, IL 62226

(618) 234-2476

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Overview

Academics and Faculty:

# Teachers

303 Teachers

18,893 Teachers

Average Student-Teacher Ratio

13:1

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

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% Average Faculty w/Advanced Degree

28%

53%

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Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	28%	53%	55%
2024	28%	52%	54%
2023	28%	50%	54%
2022	28%	51%	54%
2021	28%	50%	54%
2020	28%	50%	54%
2019	31%	50%	53%
2018	31%	49%	53%
2017	36%	48%	53%
2016	36%	49%	52%
2015	33%	50%	52%

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Average Class Size

14 students

17 students

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Class Size Trends (2015-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	14	16	15
2024	14	17	15
2023	15	17	15
2022	15	17	15
2021	15	17	15
2020	15	17	15
2019	16	17	15
2018	17	17	15
2017	16	17	15
2016	19	17	15
2015	19	17	15

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Average Number of AP Courses

8 courses

11 courses

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Trends in Average Number of AP Courses Offered
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	8	11	13
2024	11	9	12
2023	17	9	11
2022	17	9	11
2021	17	9	11
2020	17	9	11
2019	17	8	11
2018	17	8	11
2017	17	8	10
2016	17	9	10
2015	6	9	10

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Average SAT score

1210

(Out of 1600)

1259

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SAT Score Trends (2019-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	1210	1258	1233
2024	1210	1260	1230
2023	1210	1245	1228
2022	1210	1242	1229
2021	1210	1252	1229
2020	1210	1246	1226
2019	1210	1239	1226

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Average ACT score

(Out of 36)

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ACT Score Trends (2015-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	26	25	26
2024	26	25	26
2023	26	25	26
2022	26	25	26
2021	26	25	26
2020	26	25	25
2019	26	25	25
2018	26	25	25
2017	26	25	25
2016	26	24	25
2015	23	24	25

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$5,555

$10,447

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Tuition Cost Trends (2015-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	$5,555	$12,671	$15,012
2024	$5,660	$9,594	$13,254
2023	$5,522	$8,924	$12,626
2022	$4,969	$8,609	$12,187
2021	$4,907	$8,334	$11,800
2020	$4,671	$8,312	$11,512
2019	$4,499	$8,068	$11,293
2018	$4,447	$7,898	$11,017
2017	$4,407	$7,863	$10,708
2016	$3,948	$7,289	$10,356
2015	$4,009	$7,003	$9,939

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Average Summer Program Cost

$725

$961

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Summer Program Cost Trends (2021-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	$725	$943	$1,152
2024	$725	$947	$1,128
2023	$425	$1,009	$1,156
2022	$425	$1,138	$1,102
2021	$425	$672	$1,125

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Average % on Financial Aid

18%

34%

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Percent on Financial Aid Trends (2015-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	18%	34%	34%
2024	18%	33%	34%
2023	19%	33%	34%
2022	17%	32%	33%
2021	19%	31%	33%
2020	20%	32%	32%
2019	12%	31%	31%
2018	4%	30%	30%
2017	4%	29%	30%
2016	4%	29%	29%
2015	4%	28%	28%

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Average Financial Aid Grant

$2,250

$4,394

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Financial Aid Grant Trends (2015-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	$2,250	$3,868	$7,073
2024	$2,250	$3,415	$6,930
2023	$2,250	$2,426	$6,469
2022	$3,000	$2,492	$6,289
2021	$3,000	$2,514	$6,055
2019	$1,000	$2,541	$5,795
2018	$1,000	$2,466	$5,456
2017	$1,000	$2,525	$5,319
2016	$1,000	$2,614	$5,105
2015	$1,000	$2,666	$5,030

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Average Acceptance Rate

85%

89%

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Acceptance Rate Trends (2015-2025)
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	85%	84%	81%
2024	97%	90%	85%
2023	97%	91%	85%
2022	97%	91%	85%
2021	97%	91%	85%
2020	97%	91%	85%
2019	97%	90%	85%
2018	95%	90%	85%
2017	95%	90%	85%
2016	95%	92%	85%
2015	95%	92%	85%

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Students by Ethnicity:

0.60

0.66

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Diversity Score Trends
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	0.61	0.66	0.65
2024	0.62	0.66	0.65
2023	0.62	0.66	0.65
2022	0.62	0.65	0.64
2021	0.63	0.65	0.64
2020	0.64	0.66	0.64
2019	0.64	0.65	0.63
2018	0.64	0.65	0.63
2017	0.61	0.62	0.61
2016	0.62	0.62	0.61
2015	0.60	0.63	0.61

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# American Indian Students

1 Student

605 Students

% American Indian Students

n/a

# Asian Students

60 Students

10,480 Students

% Asian Students

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

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# Hispanic Students

131 Students

25,029 Students

% Hispanic Students

10%

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Hispanic Student Percentage Trends
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	3%	10%	9%
2024	6%	10%	9%
2023	6%	10%	9%
2022	5%	10%	8%
2021	5%	10%	9%
2020	5%	10%	9%
2019	6%	9%	8%
2018	6%	9%	8%
2017	4%	9%	8%
2016	4%	9%	8%
2015	2%	9%	8%

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# Black Students

707 Students

21,042 Students

% Black Students

18%

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Black Student Percentage Trends
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	18%	8%	7%
2024	17%	8%	7%
2023	18%	8%	8%
2022	16%	8%	7%
2021	18%	8%	7%
2020	20%	9%	8%
2019	16%	9%	7%
2018	16%	9%	7%
2017	15%	9%	7%
2016	16%	9%	7%
2015	15%	9%	8%

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# White Students

2,245 Students

128,851 Students

% White Students

58%

51%

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White Student Percentage Trends
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	57%	51%	52%
2024	56%	51%	52%
2023	56%	51%	52%
2022	56%	53%	54%
2021	55%	52%	54%
2020	53%	52%	54%
2019	53%	53%	56%
2018	53%	53%	56%
2017	56%	56%	58%
2016	55%	56%	58%
2015	57%	55%	58%

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# Hawaiian Students

2 Students

338 Students

% Hawaiian Students

n/a

# Two or more races Students

n/a

% of Two or more races Students

n/a

# Others Students

752 Students

65,524 Students

% of Others Students

19%

26%

View Data

Other Races Student Percentage Trends
Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	20%	26%	26%
2024	19%	26%	26%
2023	19%	26%	25%
2022	22%	25%	25%
2021	20%	25%	25%
2020	21%	25%	24%
2019	24%	25%	24%
2018	24%	24%	23%
2017	23%	22%	22%
2016	23%	23%	22%
2015	25%	23%	21%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

11 extracurriculars

9 extracurriculars

Average Number of Sports

7 sports

6 sports

Frequently Asked Questions

What are the top ranked private schools in St. Clair County, IL?

The private schools in St. Clair County, IL include Althoff Catholic High School, First Baptist Academy, and Holy Trinity Catholic School.

How many private schools are located in St. Clair County?

33 private schools are located in St. Clair County.

How much do private schools cost in St. Clair County?

The average tuition cost is $5,555, which is lower than the Illinois private school average tuition cost of $10,447.

How diverse are private schools in St. Clair County?

St. Clair County private schools are approximately 29% minority students, which is lower than the Illinois private school average of 34%.

What percentage of students in St. Clair County go to private school?

9% of all K-12 students in St. Clair County are educated in private schools (compared to the IL state average of 12%).

What percentage of private schools are religiously affiliated in St. Clair County?

67% of private schools in St. Clair County are religiously affiliated (most commonly Catholic and Christian).

Which private schools in St. Clair County are often viewed compared to one another?

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Year	St. Clair County Average	Illinois (IL) Average	National Average
2025	127	166	179
2024	125	162	172
2023	129	171	174
2022	149	178	185
2021	145	174	180
2020	139	168	171
2019	152	174	175
2018	149	171	172
2017	148	177	180
2016	145	175	178
2015	133	168	167

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked St. Clair County Private Schools (2026-27)

St. Clair County Private Schools (Closed)

Overview

Trends in Total Number of Private Schools

Trends in the Average Number of Students Per Private School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

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

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

SAT Score Trends (2019-2025)

ACT Score Trends (2015-2025)

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Summer Program Cost Trends (2021-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Students by Ethnicity:

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Extracurriculars and Sports:

Frequently Asked Questions

Recent Articles

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Most Popular Articles

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Best St. Clair County Private Schools

Top Ranked St. Clair County Private Schools (2026-27)

St. Clair County Private Schools (Closed)

Overview

Trends in Total Number of Private Schools

Trends in the Average Number of Students Per Private School

Percentage of Students of Color Trends (2015-2025)

Academics and Faculty:

Student-Teacher Ratio Trends (2015-2025)

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

Class Size Trends (2015-2025)

Trends in Average Number of AP Courses Offered

SAT Score Trends (2019-2025)

ACT Score Trends (2015-2025)

Tuition and Acceptance Rate:

Tuition Cost Trends (2015-2025)

Summer Program Cost Trends (2021-2025)

Percent on Financial Aid Trends (2015-2025)

Financial Aid Grant Trends (2015-2025)

Acceptance Rate Trends (2015-2025)

Students by Ethnicity:

Diversity Score Trends

Asian Student Percentage Trends

Hispanic Student Percentage Trends

Black Student Percentage Trends

White Student Percentage Trends

Other Races Student Percentage Trends

Extracurriculars and Sports:

Frequently Asked Questions

More Articles