Rosary College Prep Photo - Rosary High School is a Catholic, college-preparatory high school for young women located at 901 N. Edgelawn Drive in Aurora, and sponsored by the Dominican Sisters of Springfield, Illinois. At Rosary, we empower young women to achieve their greatest potential. For more information about Rosary High School, please visit www.rosaryhs.com.

Best Illinois Private High Schools Belonging to State or regional independent school association (2025-26)

For the 2025-26 school year, there are 13 private high schools belonging to State or regional independent school association serving 3,965 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private high schools belonging to State or regional independent school association in Illinois include Lake Forest Academy, The Latin School Of Chicago, and Allendale School.
The average acceptance rate is 82%, which is higher than the Illinois private high school average acceptance rate of 81%.
46% of private high schools belonging to State or regional independent school association in Illinois are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private High Schools Belonging to State or regional independent school association in Illinois (2025-26)

School
Location
Quick Facts
Allendale School
Special Education School
600 W Grand Ave
Lake Villa, IL 60046
(847) 245-6400
Gr: 1-12 | 156 students
Lake Forest Academy
Lake Forest Academy Photo - Located on the former estate of J. Odgen Armour, various historical and modern buildings comprise Lake Forest Academy's 150-acre campus, including the Cressey Center for the Arts, the Reyes Family Science Center, and a newly expanded athletic center.
1500 W Kennedy Rd
Lake Forest, IL 60045
(847) 615-3257
Gr: 9-12 | 452 students Avg. class size: 12 students Sports: 15 | Extracurrculars: 24 Tuition & acceptance rate listed
The Latin School Of Chicago
(2)
59 W North Blvd
Chicago, IL 60610
(312) 582-6014
Gr: PK-12 | 1,172 student Avg. class size: 15 students Sports: 17
Rosary College Prep
Rosary College Prep Photo - Rosary High School is a Catholic, college-preparatory high school for young women located at 901 N. Edgelawn Drive in Aurora, and sponsored by the Dominican Sisters of Springfield, Illinois. At Rosary, we empower young women to achieve their greatest potential. For more information about Rosary High School, please visit www.rosaryhs.com.
All-girls (Catholic)
(1)
901 N Edgelawn Dr
Aurora, IL 60506
(630) 893-0831
Gr: 9-12 | 265 students Sports: 13 | Extracurrculars: 19 Tuition & acceptance rate listed
St. Laurence High School
(Catholic)
5556 W 77th St
Burbank, IL 60459
(708) 458-6900
Gr: 9-12 | 913 students Avg. class size: 23 students
Woodlands Academy Of The Sacred Heart
All-girls (Catholic)
760 E Westleigh Rd
Lake Forest, IL 60045
(847) 234-4300
Gr: 9-12 | 120 students Avg. class size: 10 students Tuition & acceptance rate listed
Charter School Academy College Prep
(Christian)
1443 W 63rd St
Chicago, IL 60636
(312) 675-8691
Gr: PK-12 | 31 students
Coordinated Youth & Human Services
Special Education School
2016 Madison Ave
Granite City, IL 62040
(618) 451-0552
Gr: 5-12 | 64 students
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
1 Jacoby Pl
Rockford, IL 61107
(815) 399-8823
Gr: PK-12 | 236 students Sports: 5 Tuition listed
Metro-east Lutheran High School
(Lutheran Church Missouri Synod)
6305 Center Grove Road
Edwardsville, IL 62025
(618) 656-0043
Gr: 9-12 | 174 students Avg. class size: 18 students Tuition & acceptance rate listed
Pike County Christian Academy
(Christian)
1308 W Washington St Ste A
Pittsfield, IL 62363
(217) 285-5722
Gr: K-12 | 44 students
Spectrum School
Spectrum School Photo - Julia reading the book "Alma" to our Early and Intermediate classes!
(3)
4848 Turner Street
Rockford, IL 61107
(815) 877-1600
Gr: PK-9 | 138 students Avg. class size: 12 students Extracurrculars: 5 Tuition & acceptance rate listed

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