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Best Illinois Private Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) (2026-27)

For the 2026-27 school year, there are 69 private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) serving 21,614 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Illinois include Mother Mcauley Liberal Arts High School, Nazareth Academy, and Christian Heritage Academy.
The average tuition cost is $12,525, which is higher than the Illinois private school average tuition cost of $12,436.
65% of private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Illinois are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (2026-27)

  • # Private Schools: 69

Quick Facts (2026-27)

  • # Private Schools: 69

Top Ranked Private Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Illinois (2026-27)

The Goddard School Third Lake Photo
The Goddard School Third Lake
Gr: PK-K | 266 students
Daycare / Preschool
34638 North Highway 45
Grayslake, IL 60030
(847) 543-9075
View Profile
Holy Family School Photo
Holy Family School
Gr: PK-8 | 301 students
Avg. class size: 21 students
Sports: 4 | Extracurriculars: 11
Other Lutheran
3415 W. Arthington
Chicago, IL 60624
(773) 265-0550
(1)
View Profile
Fusion Academy Evanston Photo
Fusion Academy Evanston
Gr: 6-12
Avg. class size: 1 student
Alternative School
847 Chicago Avenue, Suite 200
Evanston, IL 60202
(877) 673-8893
View Profile
Fusion Academy Lake Forest Photo
Fusion Academy Lake Forest
Gr: 6-12 | 67 students
Avg. class size: 1 student
Alternative School
840 S. Waukegan Road, Suite 224
Lake Forest, IL 60045
(877) 673-8893
(5)
View Profile
Fusion Academy Lincoln Park Photo
Fusion Academy Lincoln Park
Gr: 6-12 | 40 students
Specialized Curriculum
1440 N. Dayton Street, Suite 104
Chicago, IL 60642
(877) 673-8893
View Profile
Fusion Academy Oak Brook Photo
Fusion Academy Oak Brook
Gr: 6-12 | 29 students
Avg. class size: 1 student
Alternative School
3041 Butterfield Road, Suite 200
Oak Brook, IL 60523
(877) 673-8893
View Profile
Academy High Photo
Academy High
Gr: 9-12 | 48 students
Sports: 8 | Extracurriculars: 7
2001 Fox Drive
Champaign, IL 61820
(217) 239-6000
View Profile
Map of Aqsa School
Aqsa School
Gr: PK-12 | 257 students
All-girls (Islamic)
7361 W 92nd St
Bridgeview, IL 60455
(708) 598-2700
View Profile
Aurora Christian Schools Photo
Aurora Christian Schools
Gr: NS-12 | 645 students
Avg. class size: 22 students
Sports: 11
Christian
2255 Sullivan Road
Aurora, IL 60506
(630) 892-1551
(2)
View Profile
Bennett Day School Photo
Bennett Day School
Gr: PK-12 | 431 students
Avg. class size: 15 students
Sports: 7 | Extracurriculars: 6
Specialized Curriculum
955 W. Grand Ave.
Chicago, IL 60642
(312) 236-6388
(2)
View Profile
Brother Rice High School - Chicago Photo
Brother Rice High School - Chicago
Gr: 9-12 | 671 students
Avg. class size: 25 students
Sports: 19
All-boys (Catholic)
10001 S Pulaski Rd
Chicago, IL 60655
(773) 429-4300
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Map of Carmel Montessori Academy & Children's House
Carmel Montessori Academy & Children's House
Gr: PK-12 | 41 students
Avg. class size: 15 students
Montessori School
3s238 State Route 59
Warrenville, IL 60555
(630) 393-2995
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Christian Heritage Academy Photo
Christian Heritage Academy
Gr: PK-12 | 437 students
Avg. class size: 17 students
Sports: 6 | Extracurriculars: 14
Christian
315 Waukegan Road
Northfield, IL 60093
(847) 446-5252
(10)
View Profile
Map of College Preparatory School Of America
College Preparatory School Of America
Gr: PK-12 | 569 students
Sports: 4
Islamic
331 W Madison St
Lombard, IL 60148
(630) 889-8000
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Daystar Academy Photo
Daystar Academy
Gr: PK-12 | 301 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 8
Specialized Curriculum (Christian)
1550 S State St
Chicago, IL 60605
(312) 791-0001
(1)
View Profile
De La Salle Institute - Institute Campus Photo
De La Salle Institute - Institute Campus
Gr: 9-12 | 699 students
Avg. class size: 22 students
Sports: 19 | Extracurriculars: 39
Catholic
3434 S Michigan Ave
Chicago, IL 60616
(312) 842-7355
View Profile
Map of First Baptist Academy
First Baptist Academy
Gr: K-12 | 281 students
Avg. class size: 20 students
Sports: 5
Baptist
1111 E Highway 50
O Fallon, IL 62269
(618) 726-6040
(1)
View Profile
Map of Furqaan Academy
Furqaan Academy
Gr: PK-12 | 124 students
Avg. class size: 10 students
Sports: 5 | Extracurriculars: 9
Islamic
519 E Briarcliff Rd
Bolingbrook, IL 60440
(630) 739-3100
View Profile
Gce Lab School Photo
Gce Lab School
Gr: 9-12 | 50 students
Avg. class size: 16 students
Extracurriculars: 17
9 West Washington St, Fourth Floor
Chicago, IL 60602
(312) 643-0091
(1)
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Glenwood Academy Photo
Glenwood Academy
Gr: 1-7 | 111 students
Avg. class size: 14 students
Sports: 6
500 W 187th St
Glenwood, IL 60425
(708) 756-4663
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Show 34 more private schools in Illinois (out of 69 total schools)
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Frequently Asked Questions

What are the top ranked private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Illinois?
The top ranked private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Illinois include Mother Mcauley Liberal Arts High School, Nazareth Academy, and Christian Heritage Academy.
How many private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Illinois?
69 private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Illinois.
How much do private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) cost in Illinois?
The average tuition cost is $12,525, which is higher than the Illinois private school average tuition cost of $12,436.
How diverse are private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Illinois?
Illinois private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are approximately 36% minority students, which is higher than the Illinois private school average of 34%.
What percentage of private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are religiously affiliated in Illinois?
65% of private schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Illinois are religiously affiliated (most commonly Catholic and Christian).
69
Private Schools
21,614
Students
$12,525
Avg. Tuition
36%
Students of Color
13:1
Student-Teacher Ratio

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