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, Aqsa School, and Calvary Academy.
The average acceptance rate is 94%, which is higher than the Illinois private high school average acceptance rate of 81%.
80% of private high schools belonging to Illinois Coalition of Nonpublic Schools in Illinois are religiously affiliated (most commonly Islamic and Lutheran Church Missouri Synod).
Top Ranked Private High Schools Belonging to Illinois Coalition of Nonpublic Schools in Illinois (2025-26)
School
Location
Quick Facts
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
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
Calvary Academy
(1)
1730 W Jefferson St
Springfield, IL 62702
(217) 546-5987
Springfield, IL 62702
(217) 546-5987
Gr: PK-12 | 339 students Sports: 6 Tuition 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
200 N Roselle Road
Schaumburg, IL 60194
(847) 885-3230
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]( "Universal School Photo")
(Islamic)
7350 W 93rd St
Bridgeview, IL 60455
(708) 599-4100
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.]( "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
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]( "Christ Lutheran High School Photo")
(Lutheran Church Missouri Synod)
201 West Lincoln Street
Buckley, IL 60918
(217) 394-2547
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
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]( "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
Melrose Park, IL 60160
(708) 344-0404
Gr: 6-12 | 242 students Avg. class size: 80 students Sports: 13 Tuition & acceptance rate listed
Recent Articles
What Private School Alumni Say a Decade Later
Ten years after graduation, private school alumni reflect on advantages, regrets, career impact, and life lessons—unearthing truths families need to know.
Can Private School Help with College Admissions?
Explore how private schools influence college admissions—advantages, limitations, and what families should expect.
Inside the Daily Life of a Private School Student
Discover what daily life is like for private school students in 2025, from classes and athletics to dining, dorms, and extracurriculars.
