[+] Show Closed Private Schools in Cook County, Illinois

Overview

Academics and Faculty:

# Teachers

10,037 Teachers

18,893 Teachers

Average Student-Teacher Ratio

12:1

13:1

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Showing 2016–2025. Full 11-year historical data available below ↓

Student-Teacher Ratio Trends (2015-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	13:1	13:1	11:1
2024	13:1	13:1	11:1
2023	13:1	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	14:1	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

60%

53%

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Showing 2016–2025. Full 11-year historical data available below ↓

Percentage of Faculty With Advanced Degrees Trends (2015-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	60%	53%	55%
2024	58%	52%	54%
2023	57%	50%	54%
2022	58%	51%	54%
2021	57%	50%	54%
2020	57%	50%	54%
2019	56%	50%	53%
2018	56%	49%	53%
2017	56%	48%	53%
2016	56%	49%	52%
2015	57%	50%	52%

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Average Class Size

17 students

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Showing 2016–2025. Full 11-year historical data available below ↓

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

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Average Number of AP Courses

13 courses

11 courses

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Showing 2016–2025. Full 11-year historical data available below ↓

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

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Average SAT score

1282

(Out of 1600)

1259

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SAT Score Trends (2020-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	1282	1258	1233
2024	1275	1260	1230
2023	1271	1245	1228
2022	1271	1242	1229
2021	1268	1252	1229
2020	1262	1246	1226

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Average ACT score

(Out of 36)

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Showing 2016–2025. Full 11-year historical data available below ↓

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

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Tuition and Acceptance Rate:

Average Yearly Tuition Cost

$12,971

$10,418

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Showing 2016–2025. Full 11-year historical data available below ↓

Tuition Cost Trends (2015-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	$14,399	$12,671	$15,012
2024	$14,034	$12,387	$14,622
2023	$13,400	$11,982	$14,057
2022	$12,980	$11,555	$13,504
2021	$12,669	$11,257	$13,232
2020	$12,290	$11,014	$12,915
2019	$12,023	$10,846	$12,656
2018	$11,719	$10,645	$12,363
2017	$11,429	$10,441	$12,049
2016	$10,988	$10,071	$11,633
2015	$10,683	$9,829	$11,174

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Average Summer Program Cost

$756

$961

View Data

Summer Program Cost Trends (2019-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	$743	$943	$1,152
2024	$739	$947	$1,128
2023	$815	$1,009	$1,156
2022	$748	$1,138	$1,102
2021	$714	$672	$1,125
2020	$717	$667	$1,217
2019	$776	$687	$1,305

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Average % on Financial Aid

39%

34%

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Showing 2016–2025. Full 11-year historical data available below ↓

Percent on Financial Aid Trends (2015-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	39%	34%	34%
2024	38%	33%	34%
2023	38%	33%	34%
2022	38%	32%	33%
2021	37%	31%	33%
2020	37%	32%	32%
2019	37%	31%	31%
2018	37%	30%	30%
2017	37%	29%	30%
2016	36%	29%	29%
2015	37%	28%	28%

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Average Financial Aid Grant

$6,743

$4,577

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Showing 2016–2025. Full 11-year historical data available below ↓

Financial Aid Grant Trends (2015-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	$5,576	$3,868	$7,073
2024	$5,195	$3,415	$6,930
2023	$3,406	$2,426	$6,469
2022	$3,463	$2,492	$6,289
2021	$3,448	$2,514	$6,055
2020	$3,302	$2,509	$5,921
2019	$3,390	$2,541	$5,795
2018	$3,451	$2,466	$5,456
2017	$3,434	$2,525	$5,319
2016	$3,427	$2,614	$5,105
2015	$3,565	$2,666	$5,030

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Average Acceptance Rate

87%

89%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Acceptance Rate Trends (2015-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	83%	84%	81%
2024	89%	90%	85%
2023	90%	91%	85%
2022	89%	91%	85%
2021	90%	91%	85%
2020	90%	91%	85%
2019	89%	90%	85%
2018	89%	90%	85%
2017	88%	90%	85%
2016	91%	92%	85%
2015	91%	92%	85%

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Average Endowment Size

$13.08 million

$12.3 million

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Endowment Trends (2024-2025)
Year	Cook County Average	Illinois (IL) Average	National Average
2025	$49 M	$34 M	$39 M
2024	$8 M	$14 M	$39 M

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Students by Ethnicity:

0.71

0.66

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Showing 2016–2025. Full 11-year historical data available below ↓

Diversity Score Trends
Year	Cook County Average	Illinois (IL) Average	National Average
2025	0.71	0.66	0.65
2024	0.71	0.66	0.65
2023	0.72	0.66	0.65
2022	0.71	0.65	0.64
2021	0.72	0.65	0.64
2020	0.72	0.66	0.64
2019	0.71	0.65	0.63
2018	0.71	0.65	0.63
2017	0.70	0.62	0.61
2016	0.70	0.62	0.61
2015	0.70	0.63	0.61

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# American Indian Students

347 Students

605 Students

% American Indian Students

<1%

# Asian Students

5,988 Students

10,480 Students

% Asian Students

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Asian Student Percentage Trends
Year	Cook County Average	Illinois (IL) Average	National Average
2025	5%	5%	5%
2024	5%	5%	5%
2023	6%	5%	5%
2022	5%	4%	4%
2021	6%	5%	4%
2020	5%	4%	4%
2019	4%	4%	4%
2018	5%	5%	4%
2017	3%	4%	4%
2016	3%	3%	4%
2015	3%	4%	4%

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# Hispanic Students

17,508 Students

25,029 Students

% Hispanic Students

13%

10%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Hispanic Student Percentage Trends
Year	Cook County Average	Illinois (IL) Average	National Average
2025	13%	10%	9%
2024	13%	10%	9%
2023	13%	10%	9%
2022	13%	10%	8%
2021	13%	10%	9%
2020	13%	10%	9%
2019	13%	9%	8%
2018	13%	9%	8%
2017	12%	9%	8%
2016	13%	9%	8%
2015	12%	9%	8%

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# Black Students

15,635 Students

21,042 Students

% Black Students

12%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

Black Student Percentage Trends
Year	Cook County Average	Illinois (IL) Average	National Average
2025	12%	8%	7%
2024	12%	8%	7%
2023	12%	8%	8%
2022	12%	8%	7%
2021	12%	8%	7%
2020	13%	9%	8%
2019	13%	9%	7%
2018	13%	9%	7%
2017	13%	9%	7%
2016	14%	9%	7%
2015	15%	9%	8%

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# White Students

58,144 Students

128,851 Students

% White Students

44%

51%

View Data

Showing 2016–2025. Full 11-year historical data available below ↓

White Student Percentage Trends
Year	Cook County Average	Illinois (IL) Average	National Average
2025	44%	51%	52%
2024	44%	51%	52%
2023	43%	51%	52%
2022	44%	53%	54%
2021	43%	52%	54%
2020	43%	52%	54%
2019	43%	53%	56%
2018	44%	53%	56%
2017	47%	56%	58%
2016	46%	56%	58%
2015	46%	55%	58%

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# Hawaiian Students

194 Students

338 Students

% Hawaiian Students

<1%

# Others Students

33,779 Students

65,524 Students

% of Others Students

26%

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Showing 2016–2025. Full 11-year historical data available below ↓

Other Races Student Percentage Trends
Year	Cook County Average	Illinois (IL) Average	National Average
2025	26%	26%	26%
2024	26%	26%	26%
2023	26%	26%	25%
2022	26%	25%	25%
2021	26%	25%	25%
2020	26%	25%	24%
2019	27%	25%	24%
2018	25%	24%	23%
2017	24%	22%	22%
2016	23%	23%	22%
2015	23%	23%	21%

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All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars

10 extracurriculars

9 extracurriculars

Average Number of Sports

6 sports

Frequently Asked Questions

What are the top ranked private schools in Cook County, IL?

The private schools in Cook County, IL include Sonia Shankman Orthogenic School, Brother Rice High School - Chicago, and Academy Of St. Benedict The African.

How many private schools are located in Cook County?

732 private schools are located in Cook County.

How much do private schools cost in Cook County?

The average tuition cost is $12,971, which is higher than the Illinois private school average tuition cost of $10,418.

How diverse are private schools in Cook County?

Cook County private schools are approximately 45% minority students, which is higher than the Illinois private school average of 34%.

What percentage of students in Cook County go to private school?

16% of all K-12 students in Cook County are educated in private schools (compared to the IL state average of 12%).

What percentage of private schools are religiously affiliated in Cook County?

49% of private schools in Cook County are religiously affiliated (most commonly Catholic and Christian).

Which private schools in Cook County are often viewed compared to one another?

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