For the 2025-26 school year, there are 69 private schools belonging to Cognia serving 20,709 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private schools belonging to Cognia in Illinois include Brother Rice High School - Chicago, Immaculate Conception Grade School, and Mother Mcauley Liberal Arts High School.
The average tuition cost is $11,678, which is lower than the Illinois private school average tuition cost of $12,697.
Top Ranked Private Schools Belonging to Cognia in Illinois (2025-26)
School
Location
Quick Facts
The Goddard School Third Lake![The Goddard School Third Lake Photo The Goddard School Third Lake Photo]()

Daycare / Preschool
34638 North Highway 45
Grayslake, IL 60030
(847) 543-9075
Grayslake, IL 60030
(847) 543-9075
Gr: PK-K | 266 students
3415 W. Arthington
Chicago, IL 60624
(773) 265-0550
Chicago, IL 60624
(773) 265-0550
Gr: PK-8 | 301 students Avg. class size: 21 students Sports: 4 | Extracurrculars: 11 Tuition & acceptance rate listed
Fusion Academy Evanston![Fusion Academy Evanston Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more. Fusion Academy Evanston Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.]()

Alternative School
847 Chicago Avenue, Suite 200
Evanston, IL 60202
(877) 673-8893
Evanston, IL 60202
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
840 S. Waukegan Road, Suite 224
Lake Forest, IL 60045
(877) 673-8893
Lake Forest, IL 60045
(877) 673-8893
Gr: 6-12 | 67 students Avg. class size: 1 student Tuition listed
Fusion Academy Lincoln Park![Fusion Academy Lincoln Park Photo Fusion Academy Lincoln Park Photo]()

Special Program Emphasis
1440 N. Dayton Street, Suite 104
Chicago, IL 60642
(877) 673-8893
Chicago, IL 60642
(877) 673-8893
Gr: 6-12 | 40 students Tuition listed
Fusion Academy Oak Brook![Fusion Academy Oak Brook Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting. Fusion Academy Oak Brook Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.]()

Alternative School
3041 Butterfield Road, Suite 200
Oak Brook, IL 60523
(877) 673-8893
Oak Brook, IL 60523
(877) 673-8893
Gr: 6-12 | 29 students Avg. class size: 1 student Tuition listed
2001 Fox Drive
Champaign, IL 61820
(217) 239-6000
Champaign, IL 61820
(217) 239-6000
Gr: 9-12 | 48 students Sports: 8 | Extracurrculars: 7 Tuition listed
Aqsa School
All-girls (Islamic)
7361 W 92nd St
Bridgeview, IL 60455
(708) 598-2700
Bridgeview, IL 60455
(708) 598-2700
Gr: PK-12 | 257 students Tuition listed
2255 Sullivan Road
Aurora, IL 60506
(630) 892-1551
Aurora, IL 60506
(630) 892-1551
Gr: NS-12 | 645 students Avg. class size: 22 students Sports: 11 Tuition listed
Brother Rice High School - Chicago![Brother Rice High School - Chicago Photo Brother Rice High School - Chicago Photo]()

All-boys (Catholic)
10001 S Pulaski Rd
Chicago, IL 60655
(773) 429-4300
Chicago, IL 60655
(773) 429-4300
Gr: 9-12 | 671 students Avg. class size: 25 students Sports: 19 Tuition & acceptance rate listed
Carmel Montessori Academy & Children's House
Montessori School
3s238 State Route 59
Warrenville, IL 60555
(630) 393-2995
Warrenville, IL 60555
(630) 393-2995
Gr: PK-12 | 41 students Avg. class size: 15 students Tuition listed
315 Waukegan Road
Northfield, IL 60093
(847) 446-5252
Northfield, IL 60093
(847) 446-5252
Gr: PK-12 | 437 students Avg. class size: 17 students Sports: 5 | Extracurrculars: 15 Tuition & acceptance rate listed
1550 S State St
Chicago, IL 60605
(312) 791-0001
Chicago, IL 60605
(312) 791-0001
Gr: PK-12 | 301 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 8 Tuition & acceptance rate listed
De La Salle Institute - Institute Campus![De La Salle Institute - Institute Campus Photo - De La Salle Institute De La Salle Institute - Institute Campus Photo - De La Salle Institute]()

(Catholic)
3434 S Michigan Ave
Chicago, IL 60616
(312) 842-7355
Chicago, IL 60616
(312) 842-7355
Gr: 9-12 | 699 students Avg. class size: 22 students Sports: 19 | Extracurrculars: 39
1111 E Highway 50
O Fallon, IL 62269
(618) 726-6040
O Fallon, IL 62269
(618) 726-6040
Gr: K-12 | 281 students Avg. class size: 20 students Sports: 5 Tuition & acceptance rate listed
Furqaan Academy
(Islamic)
519 E Briarcliff Rd
Bolingbrook, IL 60440
(630) 739-3100
Bolingbrook, IL 60440
(630) 739-3100
Gr: PK-12 | 124 students Avg. class size: 10 students Sports: 5 | Extracurrculars: 9 Tuition & acceptance rate listed
9 West Washington St, Fourth Floor
Chicago, IL 60602
(312) 643-0091
Chicago, IL 60602
(312) 643-0091
Gr: 9-12 | 50 students Avg. class size: 16 students Extracurrculars: 17 Tuition & acceptance rate listed
500 W 187th St
Glenwood, IL 60425
(708) 756-4663
Glenwood, IL 60425
(708) 756-4663
Gr: 3-8 | 72 students Avg. class size: 15 students Sports: 7 Tuition & acceptance rate listed
900 N Franklin St Ste 104
Chicago, IL 60610
(312) 944-5600
Chicago, IL 60610
(312) 944-5600
Gr: PK-8 | 33 students Avg. class size: 10 students Extracurrculars: 13 Tuition & acceptance rate listed
Guerin Prep High School
(Catholic)
8001 Belmont Ave
River Grove, IL 60171
(708) 453-6233
River Grove, IL 60171
(708) 453-6233
Gr: 9-12 | 259 students Sports: 14 | Extracurrculars: 27 Tuition listed
Guidepost Montessori at Lincoln Park
Montessori School
2301 N Clark St
Chicago, IL 60614
(773) 938-6002
Chicago, IL 60614
(773) 938-6002
Gr: NS-K
1000 N Randall Rd
Elgin, IL 60123
(847) 214-3500
Elgin, IL 60123
(847) 214-3500
Gr: PK-12 | 543 students Avg. class size: 17 students Sports: 10 | Extracurrculars: 16 Tuition & acceptance rate listed
132 W Arthur St
Elmhurst, IL 60126
(630) 530-3490
Elmhurst, IL 60126
(630) 530-3490
Gr: PK-8 | 466 students Avg. class size: 24 students Sports: 5 | Extracurrculars: 19 Tuition & acceptance rate listed
Immaculate Conception School
(Catholic)
115 N B St
Monmouth, IL 61462
(309) 734-6037
Monmouth, IL 61462
(309) 734-6037
Gr: PK-8 | 150 students Sports: 4 Tuition listed
300 W Highridge Rd
Villa Park, IL 60181
(630) 941-8800
Villa Park, IL 60181
(630) 941-8800
Gr: PK-12 | 465 students Avg. class size: 25 students Sports: 4 | Extracurrculars: 17 Tuition & acceptance rate listed
Koraes Elementary School
(Greek Orthodox)
11025 S Roberts Rd
Palos Hills, IL 60465
(708) 974-3402
Palos Hills, IL 60465
(708) 974-3402
Gr: PK-8 | 177 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 27 Tuition listed
700 Ashland Ave
Chicago Heights, IL 60411
(708) 755-7565
Chicago Heights, IL 60411
(708) 755-7565
Gr: 9-12 | 819 students Avg. class size: 17 students Sports: 15 | Extracurrculars: 46 Tuition listed
Mother Mcauley Liberal Arts High School![Mother Mcauley Liberal Arts High School Photo Mother Mcauley Liberal Arts High School Photo]()

All-girls (Catholic)
3737 W 99th Street
Chicago, IL 60655
(773) 881-6507
Chicago, IL 60655
(773) 881-6507
Gr: 9-12 | 832 students Avg. class size: 21 students Sports: 14 | Extracurrculars: 37 Tuition & acceptance rate listed
Nazareth Academy
(Catholic)
1209 West Ogden Avenue
La Grange Park, IL 60526
(708) 354-0061
La Grange Park, IL 60526
(708) 354-0061
Gr: 9-12 | 720 students Avg. class size: 24 students Sports: 16 | Extracurrculars: 30 Tuition listed
2446 N. Ridgeway
Chicago, IL 60647
(773) 342-0170
Chicago, IL 60647
(773) 342-0170
Gr: PK-8 | 117 students Avg. class size: 20 students Sports: 2 | Extracurrculars: 9 Tuition listed
Our Lady Of Perpetual Help![Our Lady Of Perpetual Help Photo - Our 7th grade and 1st grade buddies work on a project together with iPads. Our Lady Of Perpetual Help Photo - Our 7th grade and 1st grade buddies work on a project together with iPads.]()

(Catholic)
1123 Church St
Glenview, IL 60025
(847) 724-6990
Glenview, IL 60025
(847) 724-6990
Gr: NS-8 | 821 students Avg. class size: 21 students Sports: 9 | Extracurrculars: 7 Tuition listed
202 East Countryside Parkway
Yorkville, IL 60560
(630) 553-5158
Yorkville, IL 60560
(630) 553-5158
Gr: PK-12 | 394 students Avg. class size: 20 students Sports: 9 | Extracurrculars: 5 Tuition listed
3506 N California Avenue
Peoria, IL 61603
(309) 686-4500
Peoria, IL 61603
(309) 686-4500
Gr: PK-12 | 597 students Avg. class size: 18 students Sports: 10 | Extracurrculars: 13 Tuition & acceptance rate listed
Rockford Boylan Catholic High School![Rockford Boylan Catholic High School Photo - Boylan Catholic HS Main Entrance Rockford Boylan Catholic High School Photo - Boylan Catholic HS Main Entrance]()

(Catholic)
4000 Saint Francis Dr
Rockford, IL 61103
(815) 877-0531
Rockford, IL 61103
(815) 877-0531
Gr: 9-12 | 591 students Avg. class size: 18 students Sports: 18 | Extracurrculars: 26 Tuition & acceptance rate listed
1401 N Bell School Road
Rockford, IL 61107
(815) 391-8006
Rockford, IL 61107
(815) 391-8006
Gr: PK-12 | 803 students Avg. class size: 20 students Sports: 17 | Extracurrculars: 17 Tuition & acceptance rate listed
Show 34 more private schools in Illinois (out of 69 total schools)
Loading...
Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.

The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.