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Best Illinois Private Schools Belonging to Independent Schools Association of the Central States (ISACS) (2026)

For the 2026 school year, there are 32 private schools belonging to Independent Schools Association of the Central States (ISACS) serving 10,680 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois include The Avery Coonley School, University of Chicago Laboratory Schools, and Roycemore School.
The average tuition cost is $31,515, which is higher than the Illinois private school average tuition cost of $12,511.
16% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois are religiously affiliated (most commonly Jewish and Catholic).

Quick Facts (2026)

  • # Private Schools: 32

Quick Facts (2026)

  • # Private Schools: 32

Top Ranked Private Schools Belonging to Independent Schools Association of the Central States (ISACS) in Illinois (2026)

The Avery Coonley School Photo
The Avery Coonley School
Gr: PK-8 | 332 students
Avg. class size: 16 students
Sports: 4 | Extracurriculars: 14
1400 Maple Avenue
Downers Grove, IL 60515
(630) 969-0800
(7)
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Baker Demonstration School Photo
Baker Demonstration School
Gr: NS-8 | 209 students
Avg. class size: 18 students
Sports: 6 | Extracurriculars: 15
201 Sheridan Road
Wilmette, IL 60091
(847) 425-5800
(6)
View Profile
Catherine Cook School Photo
Catherine Cook School
Gr: NS-8 | 422 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 4
226 W Schiller St
Chicago, IL 60610
(312) 266-3381
(13)
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The Chicago Academy For The Arts Photo
The Chicago Academy For The Arts
Gr: 9-12 | 137 students
Avg. class size: 20 students
Extracurriculars: 9
Specialized Curriculum
1010 W Chicago Avenue
Chicago, IL 60642
(312) 421-0202
(8)
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Chicago City Day School Photo
Chicago City Day School
Gr: PK-8
Avg. class size: 15 students
Sports: 3 | Extracurriculars: 7
541 W Hawthorne Pl
Chicago, IL 60657
(773) 327-0900
(5)
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German International School Chicago Photo
German International School Chicago
Gr: PK-9 | 196 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 18
Specialized Curriculum
1726 W Berteau Ave
Chicago, IL 60613
(773) 857-3000
(1)
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Beacon Academy Photo
Beacon Academy
Gr: 9-12 | 144 students
Avg. class size: 12 students
Sports: 12 | Extracurriculars: 21
Montessori School
1574 Sherman Avenue
Evanston, IL 60201
(224) 999-1177
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Bernard Zell Anshe Emet Day School Photo
Bernard Zell Anshe Emet Day School
Gr: NS-8 | 368 students
Avg. class size: 16 students
Sports: 6 | Extracurriculars: 8
Jewish
3751 N Broadway St
Chicago, IL 60613
(773) 281-1858
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Chiaravalle Montessori Photo
Chiaravalle Montessori
Gr: NS-8 | 315 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 11
Montessori School
425 Dempster St
Evanston, IL 60201
(847) 864-2190
(12)
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Chicago Jewish Day School Photo
Chicago Jewish Day School
Gr: PK-8 | 236 students
Avg. class size: 12 students
Sports: 3 | Extracurriculars: 16
Jewish
3730 N California Ave
Chicago, IL 60618
(773) 271-2700
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Countryside School Photo
Countryside School
Gr: K-8 | 156 students
Avg. class size: 15 students
Sports: 3 | Extracurriculars: 7
4301 W Kirby Avenue
Champaign, IL 61822
(217) 355-1253
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Frances Xavier Warde School Photo
Frances Xavier Warde School
Gr: K-8 | 814 students
Avg. class size: 22 students
Sports: 6 | Extracurriculars: 10
Catholic
751 N State St
Chicago, IL 60654
(312) 268-2543
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Map of Francis W. Parker School
Francis W. Parker School
Gr: PK-12 | 907 students
330 W Webster Ave
Chicago, IL 60614
(773) 797-5107
(6)
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Hyde Park Day School - Chicago campus Photo
Hyde Park Day School - Chicago campus
Gr: 1-8 | 51 students
Avg. class size: 10 students
Special Education School
6254 S. Ellis
Chicago, IL 60637
(773) 420-2550
(1)
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Hyde Park Day School - Northfield campus Photo
Hyde Park Day School - Northfield campus
Gr: 1-8 | 54 students
Avg. class size: 10 students
Special Education School
1980 Old Willow Rd
Winnetka, IL 60093
(847) 446-7025
(1)
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Lake Forest Country Day School Photo
Lake Forest Country Day School
Gr: NS-8 | 406 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 3
145 S. Green Bay Road
Lake Forest, IL 60045
(847) 234-2350
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Lycee Francais De Chicago Photo
Lycee Francais De Chicago
Gr: NS-12 | 789 students
Avg. class size: 17 students
Sports: 14 | Extracurriculars: 18
Specialized Curriculum
1929 W. Wilson Avenue
Chicago, IL 60640
(773) 665-0066
(3)
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Near North Montessori Photo
Near North Montessori
Gr: NS-8 | 504 students
Avg. class size: 27 students
Sports: 10 | Extracurriculars: 7
Montessori School
1434 W Division Street
Chicago, IL 60642
(773) 384-1434
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North Park Elementary School (NPES) Photo
North Park Elementary School (NPES)
Gr: PK-8 | 260 students
Avg. class size: 24 students
Sports: 3 | Extracurriculars: 7
2017 W Montrose Ave
Chicago, IL 60618
(773) 327-3144
View Profile
North Shore Country Day School Photo
North Shore Country Day School
Gr: PK-12 | 520 students
Avg. class size: 12 students
Sports: 12 | Extracurriculars: 4
310 Green Bay Rd
Winnetka, IL 60093
(847) 446-0674
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Frequently Asked Questions

What are the top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois?
The top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois include The Avery Coonley School, University of Chicago Laboratory Schools, and Roycemore School.
How many private schools belonging to Independent Schools Association of the Central States (ISACS) are located in Illinois?
32 private schools belonging to Independent Schools Association of the Central States (ISACS) are located in Illinois.
How much do private schools belonging to Independent Schools Association of the Central States (ISACS) cost in Illinois?
The average tuition cost is $31,515, which is higher than the Illinois private school average tuition cost of $12,511.
How diverse are private schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois?
Illinois private schools belonging to Independent Schools Association of the Central States (ISACS) are approximately 27% minority students, which is lower than the Illinois private school average of 34%.
What percentage of private schools belonging to Independent Schools Association of the Central States (ISACS) are religiously affiliated in Illinois?
16% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Illinois are religiously affiliated (most commonly Jewish and Catholic).
31
Private Schools
10,680
Students
$31,515
Avg. Tuition
27%
Students of Color
7:1
Student-Teacher Ratio

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