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Best Illinois Private High Schools Belonging to State or regional independent school association (2026-27)

For the 2026-27 school year, there are 13 private high schools belonging to State or regional independent school association serving 3,945 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 Woodlands Academy Of The Sacred Heart, Lake Forest Academy, and Allendale School.
The average acceptance rate is 78%, which is lower 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).

Quick Facts (2026-27)

  • # Private Schools: 13

Quick Facts (2026-27)

  • # Private Schools: 13

Top Ranked Private High Schools Belonging to State or regional independent school association in Illinois (2026-27)

Map of Allendale School
Allendale School
Gr: 1-12 | 156 students
Special Education School
600 W Grand Ave
Lake Villa, IL 60046
(847) 245-6400
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Map of Keith Country Day School
Keith Country Day School
Gr: PK-12 | 236 students
Sports: 5
1 Jacoby Pl
Rockford, IL 61107
(815) 399-8823
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Lake Forest Academy Photo
Lake Forest Academy
Gr: 9-12 | 452 students
Avg. class size: 12 students
Sports: 15 | Extracurriculars: 25
1500 W Kennedy Rd
Lake Forest, IL 60045
(847) 615-3257
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Map of The Latin School Of Chicago
The Latin School Of Chicago
Gr: PK-12 | 1,172 students
Sports: 17
59 W North Blvd
Chicago, IL 60610
(312) 582-6014
(2)
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Rosary College Prep Photo
Rosary College Prep
Gr: 9-12 | 265 students
Sports: 13 | Extracurriculars: 19
All-girls (Catholic)
901 N Edgelawn Dr
Aurora, IL 60506
(630) 893-0831
(1)
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Map of St. Laurence High School
St. Laurence High School
Gr: 9-12 | 913 students
Avg. class size: 23 students
Catholic
5556 W 77th St
Burbank, IL 60459
(708) 458-6900
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Map of Woodlands Academy Of The Sacred Heart
Woodlands Academy Of The Sacred Heart
Gr: 9-12 | 100 students
Avg. class size: 10 students
Sports: 7
All-girls (Catholic)
760 E Westleigh Rd
Lake Forest, IL 60045
(847) 234-4300
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Map of Charter School Academy College Prep
Charter School Academy College Prep
Gr: PK-12 | 31 students
Christian
1443 W 63rd St
Chicago, IL 60636
(312) 675-8691
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Map of Coordinated Youth & Human Services
Coordinated Youth & Human Services
Gr: 5-12 | 64 students
Special Education School
2016 Madison Ave
Granite City, IL 62040
(618) 451-0552
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Map of Jane Addams High School
Jane Addams High School
Gr: 9-12 | 200 students
Avg. class size: 20 students
Alternative School
1814 S Union Ave
Chicago, IL 60616
(312) 563-1746
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Map of Metro-east Lutheran High School
Metro-east Lutheran High School
Gr: 9-12 | 174 students
Avg. class size: 18 students
Lutheran Church Missouri Synod
6305 Center Grove Road
Edwardsville, IL 62025
(618) 656-0043
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Map of Pike County Christian Academy
Pike County Christian Academy
Gr: K-12 | 44 students
Christian
1308 W Washington St Ste A
Pittsfield, IL 62363
(217) 285-5722
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Spectrum School Photo
Spectrum School
Gr: PK-9 | 138 students
Avg. class size: 12 students
Extracurriculars: 5
4848 Turner Street
Rockford, IL 61107
(815) 877-1600
(3)
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Frequently Asked Questions

What are the top ranked private high schools belonging to State or regional independent school association in Illinois?
The top ranked private high schools belonging to State or regional independent school association in Illinois include Woodlands Academy Of The Sacred Heart, Lake Forest Academy, and Allendale School.
How many private high schools belonging to State or regional independent school association are located in Illinois?
13 private high schools belonging to State or regional independent school association are located in Illinois.
How diverse are private high schools belonging to State or regional independent school association in Illinois?
Illinois private high schools belonging to State or regional independent school association are approximately 44% minority students, which is higher than the Illinois private school average of 35%.
What percentage of private high schools belonging to State or regional independent school association are religiously affiliated in Illinois?
46% of private high schools belonging to State or regional independent school association in Illinois are religiously affiliated (most commonly Catholic and Christian).
13
Private Schools
3,945
Students
$21,792
Avg. Tuition
44%
Students of Color
9:1
Student-Teacher Ratio

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