West Suburban Montessori School Photo

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

For the 2025-26 school year, there are 34 private schools belonging to State or regional independent school association serving 7,830 students in Illinois. You can also find more schools membership associations in Illinois.
The top ranked private schools belonging to State or regional independent school association in Illinois include Allendale School, St. Clare Catholic School, and Lake Forest Academy.
The average tuition cost is $14,489, which is higher than the Illinois private school average tuition cost of $12,718.
50% of private schools belonging to State or regional independent school association in Illinois are religiously affiliated (most commonly Catholic and Christian).

Top Ranked Private 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
Frances Xavier Warde School
(Catholic)
120 S Desplaines Street
Chicago, IL 60661
(312) 268-2544
Gr: PK-8 | 845 students Avg. class size: 20 students Sports: 3 | Extracurrculars: 5 Tuition listed
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: 25 Tuition & acceptance rate listed
Lake Shore Schools
5611 N Clark St
Chicago, IL 60660
(773) 561-6707
Gr: NS-K | 292 students Avg. class size: 20 students 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. Clare Catholic School
(Catholic)
214 W 3rd St
O Fallon, IL 62269
(618) 632-6327
Gr: PK-8 | 467 students Tuition & acceptance rate listed
St. Ferdinand Parish School
(Catholic)
3131 N Mason Ave
Chicago, IL 60634
(773) 622-3022
Gr: PK-8 | 254 students
St. Giles School
St. Giles School Photo
(Catholic)
1034 Linden Ave
Oak Park, IL 60302
(708) 383-6279
Gr: PK-8 | 348 students Avg. class size: 16 students Sports: 6 | Extracurrculars: 10 Tuition listed
St. John's Lutheran
(Lutheran Church Missouri Synod)
(1)
220 S Lincoln Ave
Lombard, IL 60148
(630) 932-3196
Gr: PK-8 | 264 students Avg. class size: 15 students
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
Alternative Academic Achievement Academy
Alternative School
14418 S Mckinley Ave
Posen, IL 60469
(708) 206-0000
Gr: 1-8 | 46 students
Bekidz (true Vine Bekidz)
Daycare / Preschool (Christian)
5700 Old Collinsville Rd Fairview Heights, IL, US 62208
Belleville, IL 62221
(405) 696-9500
Gr: PK-K | 24 students
Bridges Academy
Bridges Academy Photo - Bridges Academy 1st-5th Grades
Montessori School
716 Oak St
Saint Charles, IL 60174
(630) 513-1686
Gr: K-5 | 41 students
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
Holy Trinity School
(Catholic)
108 S Linden Ave
Westmont, IL 60559
(630) 971-0184
Gr: PK-8 | 166 students Avg. class size: 15 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
Keystone Montessori School
Montessori School
(3)
7415 North Ave
River Forest, IL 60305
(708) 366-1080
Gr: PK-8 | 95 students Tuition listed
Kids In Harmony Day School
Daycare / Preschool
4330 N Milwaukee Ave
Chicago, IL 60641
(773) 685-8812
Gr: PK-K | 53 students
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
Montessori School Of Lake Forest
Montessori School Of Lake Forest Photo - Our main West Laurel Drive campus is on over five acres of prairie adjacent to the Middlefork Savanna County Forest Preserve.
Montessori School
13700 W Laurel Dr
Lake Forest, IL 60045
(847) 918-1000
Gr: PK-8 | 178 students Extracurrculars: 5 Tuition listed
Pathway Montessori
Montessori School
1819 Maple Ave
Downers Grove, IL 60515
(630) 963-0394
Gr: PK-K | 21 students
Pike County Christian Academy
(Christian)
1308 W Washington St Ste A
Pittsfield, IL 62363
(217) 285-5722
Gr: K-12 | 44 students
Roseland Daycare Center
Alternative School
10624 S Halsted St
Chicago, IL 60628
(773) 881-1212
Gr: PK-K | 66 students
St. Angela School
(Catholic)
1332 N Massasoit Ave
Chicago, IL 60651
(773) 626-2655
Gr: PK-8 | 203 students
St. Mary Catholic School
(Catholic)
222 Waterman St
Sycamore, IL 60178
(815) 895-5215
Gr: PK-8 | 104 students Sports: 4 | Extracurrculars: 2 Tuition listed
St. Paul School
(Catholic)
(2)
300 S West St
Odell, IL 60460
(815) 998-2194
Gr: PK-8 | 70 students Tuition listed
Spanish Center, Inc.
Daycare / Preschool
309 N Eastern Avenue
Joliet, IL 60432
(815) 727-3683
Gr: NS-PK | 86 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
Trinity Catholic Academy
(Catholic)
650 4th St
La Salle, IL 61301
(815) 223-8523
Gr: PK-8 | 131 students Tuition listed
West Suburban Montessori School
West Suburban Montessori School Photo
Montessori School
1039 S East Ave
Oak Park, IL 60304
(708) 848-2662
Gr: PK-6 | 111 students Tuition listed

Recent Articles

What Is an Independent School? Definition & Guide 2025
What Is an Independent School? Definition & Guide 2025
Explore what defines an independent school in 2025 — governance, mission, cost, enrollment and how to evaluate independent schools as a parent or educator.
What’s a Private School? A 2025 Guide for Parents & Students
What’s a Private School? A 2025 Guide for Parents & Students
Explore what defines a private school, its tuition, enrollment trends, and how it differs from public options in 2025—clear, authoritative insights.
Financial Aid for Community College: What Private-School Families Need to Know
Financial Aid for Community College: What Private-School Families Need to Know
A guide for private-school families navigating financial aid for community college—what to expect, how it works, and key strategies in 2025.