Acacia Academy Photo - Offering a variety of year-round and summer programs designed to meet each student's learning objectives in terms of his/her learning capabilities.AdvancED accredited school in the La Grange, IL area. Illinois State Board of Education approved for out-of-district placement for special education.

Best Illinois Private High Schools Belonging to Cognia (2025-26)

For the 2025-26 school year, there are 38 private high schools belonging to Cognia serving 13,676 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private high schools belonging to Cognia in Illinois include Brother Rice High School - Chicago, Mother Mcauley Liberal Arts High School, and Rockford Christian Schools.
The average tuition cost is $13,733, which is lower than the Illinois private high school average tuition cost of $15,828.
61% of private high schools belonging to Cognia in Illinois are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private High Schools Belonging to Cognia in Illinois (2025-26)

School
Location
Quick Facts
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.
Alternative School
847 Chicago Avenue, Suite 200
Evanston, IL 60202
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
Fusion Academy Lake Forest
Fusion Academy Lake Forest Photo
Alternative School
(5)
840 S. Waukegan Road, Suite 224
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
Special Program Emphasis
1440 N. Dayton Street, Suite 104
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.
Alternative School
3041 Butterfield Road, Suite 200
Oak Brook, IL 60523
(877) 673-8893
Gr: 6-12 | 29 students Avg. class size: 1 student Tuition listed
Academy High
Academy High Photo
2001 Fox Drive
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
Gr: PK-12 | 257 students Tuition listed
Aurora Christian Schools
Aurora Christian Schools Photo - Each year, our High School students take one week of their Easter Vacation to spend time traveling to and working on a construction project, called Mission Impossible!
(Christian)
(2)
2255 Sullivan Road
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
All-boys (Catholic)
10001 S Pulaski Rd
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
Gr: PK-12 | 41 students Avg. class size: 15 students Tuition listed
Christian Heritage Academy
Christian Heritage Academy Photo - CHA students participate in many fine arts opportunities, including visual arts, choirs, band, and theater. #CHAExcel #CHAInspired #GrowYourRootsCHA
(Christian)
(10)
315 Waukegan Road
Northfield, IL 60093
(847) 446-5252
Gr: PK-12 | 437 students Avg. class size: 17 students Sports: 5 | Extracurrculars: 15 Tuition & acceptance rate listed
Daystar Academy
Daystar Academy Photo
Special Program Emphasis (Christian)
(1)
1550 S State St
Chicago, IL 60605
(312) 791-0001
Gr: PK-12 | 301 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 8 Tuition & acceptance rate listed
3434 S Michigan Ave
Chicago, IL 60616
(312) 842-7355
Gr: 9-12 | 699 students Avg. class size: 22 students Sports: 19 | Extracurrculars: 39
First Baptist Academy
(Baptist)
(1)
1111 E Highway 50
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
Gr: PK-12 | 124 students Avg. class size: 10 students Sports: 5 | Extracurrculars: 9 Tuition & acceptance rate listed
Gce Lab School
Gce Lab School Photo
(1)
9 West Washington St, Fourth Floor
Chicago, IL 60602
(312) 643-0091
Gr: 9-12 | 50 students Avg. class size: 16 students Extracurrculars: 17 Tuition & acceptance rate listed
Guerin Prep High School
(Catholic)
8001 Belmont Ave
River Grove, IL 60171
(708) 453-6233
Gr: 9-12 | 259 students Sports: 14 | Extracurrculars: 27 Tuition listed
Harvest Christian Academy
Harvest Christian Academy Photo - Welcome to Harvest Christian Academy, home of the Lions! We educate students from preschool through grade 12.
(Christian)
(2)
1000 N Randall Rd
Elgin, IL 60123
(847) 214-3500
Gr: PK-12 | 543 students Avg. class size: 17 students Sports: 10 | Extracurrculars: 16 Tuition & acceptance rate listed
Islamic Foundation School
(Islamic)
(4)
300 W Highridge Rd
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
Marian Catholic High School
Marian Catholic High School Photo
(Catholic)
(12)
700 Ashland Ave
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
All-girls (Catholic)
3737 W 99th Street
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
Gr: 9-12 | 720 students Avg. class size: 24 students Sports: 16 | Extracurrculars: 30 Tuition listed
Parkview Christian Academy
(Christian)
(3)
202 East Countryside Parkway
Yorkville, IL 60560
(630) 553-5158
Gr: PK-12 | 394 students Avg. class size: 20 students Sports: 9 | Extracurrculars: 5 Tuition listed
Peoria Christian School
Peoria Christian School Photo
(4)
3506 N California Avenue
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
(Catholic)
4000 Saint Francis Dr
Rockford, IL 61103
(815) 877-0531
Gr: 9-12 | 591 students Avg. class size: 18 students Sports: 18 | Extracurrculars: 26 Tuition & acceptance rate listed
Rockford Christian Schools
(Christian)
(3)
1401 N Bell School Road
Rockford, IL 61107
(815) 391-8006
Gr: PK-12 | 803 students Avg. class size: 20 students Sports: 17 | Extracurrculars: 17 Tuition & acceptance rate listed
Rockford Iqra' School
Rockford Iqra' School Photo - 3rd grade
5925 Darlene Dr
Rockford, IL 61109
(815) 397-6899
Gr: PK-10 | 116 students Avg. class size: 12 students Sports: 3 Tuition listed
Rockford Lutheran School
Rockford Lutheran School Photo - Junior High Orchestra
(Lutheran Church Missouri Synod)
(2)
3411 N Alpine Rd
Rockford, IL 61114
(815) 877-9551
Gr: PK-12 | 748 students Avg. class size: 18 students Sports: 14 | Extracurrculars: 10 Tuition & acceptance rate listed
St. Bede Academy
St. Bede Academy Photo
(Catholic)
24 W Us Highway 6
Peru, IL 61354
(815) 223-3140
Gr: 9-12 | 282 students Avg. class size: 18 students Sports: 14 | Extracurrculars: 18 Tuition & acceptance rate listed
Timothy Christian Schools
Timothy Christian Schools Photo
(Christian)
(33)
188 W Butterfield Rd
Elmhurst, IL 60126
(630) 833-4616
Gr: PK-12 | 1,269 student Avg. class size: 24 students Sports: 15 | Extracurrculars: 21 Tuition listed
Universal School
Universal School Photo
(Islamic)
7350 W 93rd St
Bridgeview, IL 60455
(708) 599-4100
Gr: PK-12 | 717 students Avg. class size: 23 students Sports: 5 | Extracurrculars: 4 Tuition & acceptance rate listed
Westminster Christian School
Westminster Christian School Photo - Middle and High school students enjoy class trips to foster unity in their classes.
(Presbyterian)
(6)
2700 W Highland Avenue
Elgin, IL 60124
(847) 695-0310
Gr: PK-12 | 314 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 9 Tuition & acceptance rate listed
Acacia Academy
Acacia Academy Photo - Offering a variety of year-round and summer programs designed to meet each student's learning objectives in terms of his/her learning capabilities.AdvancED accredited school in the La Grange, IL area. Illinois State Board of Education approved for out-of-district placement for special education.
Special Education School
6425 Willow Springs Rd
La Grange, IL 60525
(708) 579-9040
Gr: 4-12 | 91 students Avg. class size: 8 students Sports: 4 | Extracurrculars: 11 Tuition listed
Brehm Preparatory School
Brehm Preparatory School Photo - Small class sizes provide opportunities for 1:1 educational moments.
Special Education School
(3)
900 S. Brehm Lane
Carbondale, IL 62901
(618) 457-0371
Gr: 6-12 | 30 students Avg. class size: 5 students Sports: 3 | Extracurrculars: 10 Tuition listed
Governor French Academy
Governor French Academy Photo - WYSE Academic Challenge Team 2014
(2)
219 West Main Street
Belleville, IL 62220
(618) 233-7542
Gr: PK-12 | 107 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 7 Tuition & acceptance rate listed
Jane Addams High School
Alternative School
1814 S Union Ave
Chicago, IL 60616
(312) 563-1746
Gr: 9-12 | 200 students Avg. class size: 20 students
Show 3 more private schools in Illinois (out of 38 total schools)
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