For the 2025-26 school year, there are 133 nonsectarian private high schools in Illinois. You can also find more religiously affiliated schools in Illinois.
The top ranked nonsectarian private high schools in Illinois include Lake Forest Academy, The Latin School Of Chicago, and British International School of Chicago-South Loop.
Top Ranked Nonsectarian Private High Schools in Illinois (2025-26)
School
Location
Quick Facts
6245 S. Ingleside Avenue
Chicago, IL 60637
(773) 420-2900
Chicago, IL 60637
(773) 420-2900
Gr: 4-12 | 111 students Avg. class size: 10 students Extracurrculars: 20
6880 N FRONTAGE RD
Willowbrook, IL 60527
(630) 423-5916
Willowbrook, IL 60527
(630) 423-5916
Gr: K-12 Avg. class size: 9 students Extracurrculars: 15 Tuition & acceptance rate listed
Fusion Academy Evanston![Fusion Academy Evanston Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.]( "Fusion Academy Evanston Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.")
Alternative School
847 Chicago Avenue, Suite 200
Evanston, IL 60202
(877) 673-8893
Evanston, IL 60202
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
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
Fusion Academy Lincoln Park![Fusion Academy Lincoln Park Photo]( "Fusion Academy Lincoln Park Photo")
Special Program Emphasis
1440 N. Dayton Street, Suite 104
Chicago, IL 60642
(877) 673-8893
Chicago, IL 60642
(877) 673-8893
Gr: 6-12 | 40 students Tuition listed
Fusion Academy Oak Brook![Fusion Academy Oak Brook Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.]( "Fusion Academy Oak Brook Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.")
Alternative School
3041 Butterfield Road, Suite 200
Oak Brook, IL 60523
(877) 673-8893
Oak Brook, IL 60523
(877) 673-8893
Gr: 6-12 | 29 students Avg. class size: 1 student Tuition listed
2001 Fox Drive
Champaign, IL 61820
(217) 239-6000
Champaign, IL 61820
(217) 239-6000
Gr: 9-12 | 48 students Sports: 8 | Extracurrculars: 7 Tuition listed
Allendale School
Special Education School
600 W Grand Ave
Lake Villa, IL 60046
(847) 245-6400
Lake Villa, IL 60046
(847) 245-6400
Gr: 1-12 | 156 students
Allendale-linc
Special Education School
1055 Lake Ave
Woodstock, IL 60098
(815) 206-5725
Woodstock, IL 60098
(815) 206-5725
Gr: 6-12 | 34 students
American School![American School Photo]( "American School Photo")
Alternative School
2200 E 170th St
Lansing, IL 60438
(708) 418-2800
Lansing, IL 60438
(708) 418-2800
Gr: 6-12 | 6,319 students Tuition & acceptance rate listed
Beacon Academy![Beacon Academy Photo]( "Beacon Academy Photo")
Montessori School
1574 Sherman Avenue
Evanston, IL 60201
(224) 999-1177
Evanston, IL 60201
(224) 999-1177
Gr: 9-12 | 150 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 20 Tuition listed
955 W. Grand Ave.
Chicago, IL 60642
(312) 236-6388
Chicago, IL 60642
(312) 236-6388
Gr: PK-12 | 364 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 4 Tuition & acceptance rate listed
161 West 9th Street
Chicago, IL 60605
(773) 998-2472
Chicago, IL 60605
(773) 998-2472
Gr: NS-12 | 717 students Avg. class size: 15 students Sports: 12 Tuition & acceptance rate listed
Carmel Montessori Academy & Children's House
Montessori School
3s238 State Route 59
Warrenville, IL 60555
(630) 393-2995
Warrenville, IL 60555
(630) 393-2995
Gr: PK-12 | 41 students Avg. class size: 15 students Tuition listed
Center For Children To Heal And Achieve (ccha)
Special Education School
1400 State St
Alton, IL 62002
(618) 465-3594
Alton, IL 62002
(618) 465-3594
Gr: 2-12 | 46 students
The Chicago Academy For The Arts![The Chicago Academy For The Arts Photo - Chicagoland's independent high school for the arts.]( "The Chicago Academy For The Arts Photo - Chicagoland's independent high school for the arts.")
Special Program Emphasis
1010 W Chicago Avenue
Chicago, IL 60642
(312) 421-0202
Chicago, IL 60642
(312) 421-0202
Gr: 9-12 | 137 students Avg. class size: 15 students Extracurrculars: 9 Tuition & acceptance rate listed
Chicago Lighthouse
Alternative School
1850 W Roosevelt Rd
Chicago, IL 60608
(131) 299-7367
Chicago, IL 60608
(131) 299-7367
Gr: PK-12 | 30 students
Cove School
Special Education School
350 Lee Road
Northbrook, IL 60062
(847) 562-2100
Northbrook, IL 60062
(847) 562-2100
Gr: 2-12 | 148 students Avg. class size: 8 students Sports: 1 | Extracurrculars: 8 Tuition & acceptance rate listed
Dr Pedro Albizu Campos Puerto Rican High School![Dr Pedro Albizu Campos Puerto Rican High School Photo]( "Dr Pedro Albizu Campos Puerto Rican High School Photo")
Alternative School
2739-41 W. Division Street
Chicago, IL 60622
(773) 342-8022
Chicago, IL 60622
(773) 342-8022
Gr: 10-12 | 165 students Avg. class size: 18 students Tuition & acceptance rate listed
330 W Webster Ave
Chicago, IL 60614
(773) 797-5501
Chicago, IL 60614
(773) 797-5501
Gr: PK-12 | 907 students Tuition listed
9 West Washington St, Fourth Floor
Chicago, IL 60602
(312) 643-0091
Chicago, IL 60602
(312) 643-0091
Gr: 9-12 | 50 students Avg. class size: 16 students Extracurrculars: 17 Tuition & acceptance rate listed
Hammitt School - The Baby Fold
Special Education School
108 E Willow St
Normal, IL 61761
(309) 451-7244
Normal, IL 61761
(309) 451-7244
Gr: K-12 | 133 students
Howard Area Leadership Academy
Alternative School
7647 N Paulina Ave
Chicago, IL 60626
(773) 381-0366
Chicago, IL 60626
(773) 381-0366
Gr: 10-12 | 126 students Avg. class size: 18 students
301 S Swift Rd Ste F
Addison, IL 60101
(630) 540-3900
Addison, IL 60101
(630) 540-3900
Gr: 3-12 | 32 students Avg. class size: 10 students Tuition listed
Joseph Academy-melrose Park
Special Education School
1100 N 22nd Av
Melrose Park, IL 60160
(708) 345-4500
Melrose Park, IL 60160
(708) 345-4500
Gr: 4-12 | 77 students Tuition listed
Kemmerer Village School
Special Education School
941 N 2500 East Rd
Assumption, IL 62510
(217) 226-2159
Assumption, IL 62510
(217) 226-2159
Gr: 7-11 | 13 students Avg. class size: 7 students Sports: 10 Acceptance rate listed
Kiefer School
Special Education School
404 NE Madison
Peoria, IL 61603
(309) 687-7236
Peoria, IL 61603
(309) 687-7236
Gr: 1-12 | 72 students Tuition & acceptance rate listed
1500 W Kennedy Rd
Lake Forest, IL 60045
(847) 615-3257
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
59 W North Blvd
Chicago, IL 60610
(312) 582-6014
Chicago, IL 60610
(312) 582-6014
Gr: PK-12 | 1,172 student Avg. class size: 15 students Sports: 17
1929 W. Wilson Avenue
Chicago, IL 60640
(773) 665-0066
Chicago, IL 60640
(773) 665-0066
Gr: NS-12 | 789 students Avg. class size: 17 students Sports: 13 | Extracurrculars: 7 Tuition listed
255 W James J Davis
Mooseheart, IL 60539
(630) 906-3646
Mooseheart, IL 60539
(630) 906-3646
Gr: PK-12 | 130 students
3250 N. Arlington Heights Road Suite 200
Arlington Heights, IL 60004
(847) 588-0463
Arlington Heights, IL 60004
(847) 588-0463
Gr: 6-12 | 122 students Avg. class size: 7 students Sports: 9 | Extracurrculars: 5 Tuition listed
310 Green Bay Rd
Winnetka, IL 60093
(847) 446-0674
Winnetka, IL 60093
(847) 446-0674
Gr: PK-12 | 520 students Avg. class size: 12 students Sports: 12 | Extracurrculars: 4 Tuition listed
Parkland Preparatory Academy
Special Education School
804 W Bartlett Rd
Bartlett, IL 60103
(630) 540-7496
Bartlett, IL 60103
(630) 540-7496
Gr: K-12 | 265 students
119 S Central Park Blvd
Chicago, IL 60624
(773) 265-2204
Chicago, IL 60624
(773) 265-2204
Gr: PK-12 | 317 students Avg. class size: 15 students Tuition & acceptance rate listed
Show 98 more private schools in Illinois (out of 133 total schools)
Loading...
Recent Articles
What’s a Private School? 2025 Guide for Parents
Explore what defines a private school in 2025—costs, diversity, programs, and admissions insights for families choosing the right education.
Starting a Private School: 2025 Guide
Discover how to start a private school in 2025, from legal requirements to tuition planning, accreditation, and real-world success stories.
Technology in Private Schools: 2025 Insights
Explore how private schools use technology in 2025—from AI learning tools to balanced digital practices shaping future-ready students.
