For the 2025-26 school year, there are 7 private high schools belonging to Christian Schools International (CSI) serving 1,690 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private high schools belonging to Christian Schools International (CSI) in Illinois include Naperville Christian Academy, Chicago Christian High School, and Illiana Christian High School.
The average acceptance rate is 95%, which is higher than the Illinois private high school average acceptance rate of 81%.
Top Ranked Private High Schools Belonging to Christian Schools International (CSI) in Illinois (2025-26)
School
Location
Quick Facts
Chicago Christian High School
(Christian)
12001 S Oak Park Ave
Palos Heights, IL 60463
(708) 388-7650
Palos Heights, IL 60463
(708) 388-7650
Gr: 9-12 | 490 students Tuition & acceptance rate listed
2261 Indiana Ave
Lansing, IL 60438
(219) 558-7066
Lansing, IL 60438
(219) 558-7066
Gr: 9-12 | 474 students Avg. class size: 22 students Tuition listed
1451 Raymond Drive
Naperville, IL 60563
(630) 637-9622
Naperville, IL 60563
(630) 637-9622
Gr: PK-12 | 139 students Avg. class size: 10 students Sports: 1 | Extracurrculars: 15 Tuition & acceptance rate 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
13020 S Central Ave
Palos Heights, IL 60463
(708) 389-0555
Palos Heights, IL 60463
(708) 389-0555
Gr: 10-12 | 4 students
Quincy Area Christian School Association
(Christian)
1236 North 10th St.
Quincy, IL 62301
(217) 223-5698
Quincy, IL 62301
(217) 223-5698
Gr: PK-12 | 39 students
Unity Christian Elementary School
(Christian)
1000 11th Ave
Fulton, IL 61252
(815) 589-3912
Fulton, IL 61252
(815) 589-3912
Gr: K-12 | 150 students Avg. class size: 12 students
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