For the 2025 school year, there are 8 private high schools belonging to Christian Schools International (CSI) serving 1,953 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 98%, which is higher than the Illinois private high school average acceptance rate of 86%.
Top Ranked Private High Schools Belonging to Christian Schools International (CSI) in Illinois (2025)
School
Location
Grades
Students
Chicago Christian High School
(Christian)
12001 S Oak Park Ave
Palos Heights, IL 60463
(708) 388-7650
Palos Heights, IL 60463
(708) 388-7650
Grades: 9-12
| 490 students
2261 Indiana Ave
Lansing, IL 60438
(219) 558-7066
Lansing, IL 60438
(219) 558-7066
Grades: 9-12
| 474 students
1451 Raymond Drive
Naperville, IL 60563
(630) 637-9622
Naperville, IL 60563
(630) 637-9622
Grades: PK-12
| 139 students
202 East Countryside Parkway
Yorkville, IL 60560
(630) 553-5158
Yorkville, IL 60560
(630) 553-5158
Grades: PK-12
| 394 students
Westlake Christian Academy
(Christian)
275 S Lake St
Grayslake, IL 60030
(847) 548-6209
Grayslake, IL 60030
(847) 548-6209
Grades: PK-12
| 263 students
13020 S Central Ave
Palos Heights, IL 60463
(708) 389-0555
Palos Heights, IL 60463
(708) 389-0555
Grades: 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
Grades: PK-12
| 39 students
Unity Christian Elementary School
(Christian)
1000 11th Ave
Fulton, IL 61252
(815) 589-3912
Fulton, IL 61252
(815) 589-3912
Grades: K-12
| 150 students
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