For the 2025-26 school year, there are 44 private schools belonging to National Association of Independent Schools (NAIS) serving 14,763 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Illinois include Lake Forest Academy, The Avery Coonley School, and The Latin School Of Chicago.
The average tuition cost is $29,271, which is higher than the Illinois private school average tuition cost of $12,747.
Top Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Illinois (2025-26)
School
Location
Quick Facts
1400 Maple Avenue
Downers Grove, IL 60515
(630) 969-0800
Downers Grove, IL 60515
(630) 969-0800
Gr: PK-8 | 332 students Avg. class size: 16 students Sports: 4 | Extracurrculars: 14 Tuition & acceptance rate listed
201 Sheridan Road
Wilmette, IL 60091
(847) 425-5800
Wilmette, IL 60091
(847) 425-5800
Gr: NS-8 | 209 students Avg. class size: 18 students Sports: 6 | Extracurrculars: 15 Tuition & acceptance rate listed
226 W Schiller St
Chicago, IL 60610
(312) 266-3381
Chicago, IL 60610
(312) 266-3381
Gr: NS-8 | 422 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 4 Tuition listed
541 W Hawthorne Pl
Chicago, IL 60657
(773) 327-0900
Chicago, IL 60657
(773) 327-0900
Gr: PK-8 Avg. class size: 15 students Sports: 3 | Extracurrculars: 7 Tuition listed
2153 W 111th St
Chicago, IL 60643
(773) 881-6700
Chicago, IL 60643
(773) 881-6700
Gr: PK-12 | 475 students Avg. class size: 17 students Sports: 8 Tuition & acceptance rate 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
4770 S Dorchester Ave
Chicago, IL 60615
(773) 924-2356
Chicago, IL 60615
(773) 924-2356
Gr: PK-8 | 215 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 8 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 | 413 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 4 Tuition listed
3751 N Broadway St
Chicago, IL 60613
(773) 281-1858
Chicago, IL 60613
(773) 281-1858
Gr: NS-8 | 368 students Avg. class size: 16 students Sports: 6 | Extracurrculars: 8 Tuition & acceptance rate listed
425 Dempster St
Evanston, IL 60201
(847) 864-2190
Evanston, IL 60201
(847) 864-2190
Gr: PK-8 | 328 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 9 Tuition listed
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
4301 W Kirby Avenue
Champaign, IL 61822
(217) 355-1253
Champaign, IL 61822
(217) 355-1253
Gr: K-8 | 158 students Avg. class size: 15 students Sports: 3 | Extracurrculars: 10 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
500 W 187th St
Glenwood, IL 60425
(708) 756-4663
Glenwood, IL 60425
(708) 756-4663
Gr: 3-8 | 72 students Avg. class size: 15 students Sports: 7 Tuition & acceptance rate listed
Holy Family Catholic School
(Catholic)
2400 S Franklin Street Rd
Decatur, IL 62521
(217) 423-7049
Decatur, IL 62521
(217) 423-7049
Gr: PK-8 | 274 students
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
145 S. Green Bay Road
Lake Forest, IL 60045
(847) 234-2350
Lake Forest, IL 60045
(847) 234-2350
Gr: NS-8 | 406 students Avg. class size: 15 students Sports: 12 | Extracurrculars: 3 Tuition 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: 14 | Extracurrculars: 18 Tuition listed
Montini Catholic High School![Montini Catholic High School Photo]( "Montini Catholic High School Photo")
(Catholic)
19W070 16th Street
Lombard, IL 60148
(630) 627-6930
Lombard, IL 60148
(630) 627-6930
Gr: 9-12 | 516 students Avg. class size: 20 students Sports: 19 | Extracurrculars: 53 Tuition & acceptance rate listed
Near North Montessori![Near North Montessori Photo - An engaged learner in our Primary Class for children ages 3 years to 6 years, is receiving a lesson with a Montessori material known as the brown stair. The brown stair helps children develop their awareness of size differences]( "Near North Montessori Photo - An engaged learner in our Primary Class for children ages 3 years to 6 years, is receiving a lesson with a Montessori material known as the brown stair. The brown stair helps children develop their awareness of size differences")
Montessori School
1434 W Division Street
Chicago, IL 60642
(773) 384-1434
Chicago, IL 60642
(773) 384-1434
Gr: NS-8 | 504 students Avg. class size: 27 students Sports: 10 | Extracurrculars: 7 Tuition listed
2017 W Montrose Ave
Chicago, IL 60618
(773) 327-3144
Chicago, IL 60618
(773) 327-3144
Gr: PK-8 | 260 students Avg. class size: 24 students Sports: 3 | Extracurrculars: 7 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
500 N Benton St
Palatine, IL 60067
(847) 202-8035
Palatine, IL 60067
(847) 202-8035
Gr: PK-8 | 258 students Avg. class size: 15 students Sports: 2 | Extracurrculars: 10 Tuition & acceptance rate listed
1200 Davis Street
Evanston, IL 60201
(847) 866-6055
Evanston, IL 60201
(847) 866-6055
Gr: PK-12 | 212 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 31 Tuition & acceptance rate listed
6250 N Sheridan Road
Chicago, IL 60660
(773) 681-8414
Chicago, IL 60660
(773) 681-8414
Gr: PK-8 | 644 students Avg. class size: 18 students Sports: 9 | Extracurrculars: 13 Tuition & acceptance rate listed
St. Francis High School
(Catholic)
2130 W Roosevelt Rd
Wheaton, IL 60187
(630) 668-5800
Wheaton, IL 60187
(630) 668-5800
Gr: 9-12 | 697 students Avg. class size: 23 students Tuition & acceptance rate listed
1362 E 59th Street
Chicago, IL 60637
(773) 702-9450
Chicago, IL 60637
(773) 702-9450
Gr: PK-12 | 2,212 students Sports: 12 Tuition & acceptance rate listed
524 N. Wolcott Ave.
Chicago, IL 60622
(312) 610-4900
Chicago, IL 60622
(312) 610-4900
Gr: 9-12 | 134 students Avg. class size: 10 students Sports: 13 | Extracurrculars: 22 Tuition & acceptance rate listed
Woodlands Academy Of The Sacred Heart
All-girls (Catholic)
760 E Westleigh Rd
Lake Forest, IL 60045
(847) 234-4300
Lake Forest, IL 60045
(847) 234-4300
Gr: 9-12 | 120 students Avg. class size: 10 students Tuition & acceptance rate listed
A-karrasel Enterprises, Inc.
Daycare / Preschool
5504 W. Fullerton
Chicago, IL 60639
(773) 637-1022
Chicago, IL 60639
(773) 637-1022
Gr: NS-PK | 64 students
Austin Career Education Center
Alternative School
5352 W Chicago Ave
Chicago, IL 60651
(773) 626-6988
Chicago, IL 60651
(773) 626-6988
Gr: 10-12 | 63 students
Brickton Montessori School![Brickton Montessori School Photo - Hands. On.When you can touch it, even complicated ideas becomes manageable. Montessori materials stimulate all our senses. With multiple ways of connecting to a single concept, every child can find a path to successful learning.]( "Brickton Montessori School Photo - Hands. On.When you can touch it, even complicated ideas becomes manageable. Montessori materials stimulate all our senses. With multiple ways of connecting to a single concept, every child can find a path to successful learning.")
Montessori School
8622 W Catalpa Ave
Chicago, IL 60656
(773) 714-0646
Chicago, IL 60656
(773) 714-0646
Gr: NS-8 | 167 students Avg. class size: 20 students Sports: 2 | Extracurrculars: 6 Tuition listed
Show 9 more private schools in Illinois (out of 44 total schools)
Loading...
Recent Articles
How Private Schools Teach Tech & AI Skills, Not Just Tools
In 2025, private schools are building AI & technology competency by teaching literacy, ethics, problem-solving & life skills—not just tool use.
Why Private School in 2025?
Learn the key benefits of private school in 2025, from academics to values. Expert insights for parents making the right choice.
Private School Scholarships & Aid Options for Low-Income Students in 2025
Discover hidden private school scholarship and financial aid programs in 2025 for low-income or underrepresented students, with real examples and tips.
