Walther Christian Academy Photo - Science class in the Science & Technology Wing

Best Illinois Private High Schools Belonging to Illinois Coalition of Nonpublic Schools (2025-26)

For the 2025-26 school year, there are 10 private high schools belonging to Illinois Coalition of Nonpublic Schools serving 3,034 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private high schools belonging to Illinois Coalition of Nonpublic Schools in Illinois include Universal School, Calvary Academy, and Aqsa School.
The average acceptance rate is 94%, which is higher than the Illinois private high school average acceptance rate of 82%.
80% of private high schools belonging to Illinois Coalition of Nonpublic Schools in Illinois are religiously affiliated (most commonly Christian and Islamic).

Top Ranked Private High Schools Belonging to Illinois Coalition of Nonpublic Schools in Illinois (2025-26)

School
Location
Quick Facts
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
Aqsa School
All-girls (Islamic)
7361 W 92nd St
Bridgeview, IL 60455
(708) 598-2700
Gr: PK-12 | 257 students Tuition listed
Calvary Academy
(1)
1730 W Jefferson St
Springfield, IL 62702
(217) 546-5987
Gr: PK-12 | 339 students Sports: 6 Tuition 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
Schaumburg Christian School
(Baptist)
(49)
200 N Roselle Road
Schaumburg, IL 60194
(847) 885-3230
Gr: PK-12 | 889 students Avg. class size: 17 students Sports: 7 | Extracurrculars: 12 Tuition & acceptance rate 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
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
Christ Lutheran High School
Christ Lutheran High School Photo
(Lutheran Church Missouri Synod)
201 West Lincoln Street
Buckley, IL 60918
(217) 394-2547
Gr: 9-12 | 13 students Sports: 6 | Extracurrculars: 5 Tuition listed
Covenant Christian School
(Christian)
1575 Reckinger Rd.
Aurora, IL 60505
(630) 801-7955
Gr: PK-11 | 118 students Avg. class size: 14 students Sports: 3 | Extracurrculars: 3 Tuition & acceptance rate listed
Walther Christian Academy
Walther Christian Academy Photo - Science class in the Science & Technology Wing
(Lutheran Church Missouri Synod)
900 Chicago Avenue
Melrose Park, IL 60160
(708) 344-0404
Gr: 6-12 | 242 students Avg. class size: 80 students Sports: 13 Tuition & acceptance rate listed

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