St. Catherine Siena-st Lucy School Photo - Welcome to St. Catherine of Siena - St. Lucy School! We are proud of our 126 year history serving the Oak Park and Austin communities as a faith-based, Christian centered Catholic grammar school.

Best Oak Park Private Schools (2025-26)

For the 2025-26 school year, there are 14 private schools serving 2,847 students in Oak Park, IL (there are 11 public schools, serving 8,852 public students). 24% of all K-12 students in Oak Park, IL are educated in private schools (compared to the IL state average of 12%).
The top ranked private schools in Oak Park, IL include St. Giles School, St. Catherine Siena-st Lucy School, and Ascension Continuation School.
The average acceptance rate is 86%, which is higher than the Illinois private school average acceptance rate of 84%.
50% of private schools in Oak Park, IL are religiously affiliated (most commonly Catholic and Baptist).

Top Ranked Oak Park Private Schools (2025-26)

School
Location
Quick Facts
Ascension Continuation School
Ascension Continuation School Photo - Ascension School, a vibrant ministry of Ascension Parish, proudly provides an excellent education that responds to the needs of its students. Ascension School incorporates Catholic faith beliefs and values through skillful teaching, prayer, worship and service to others. In this school children and families experience community in an atmosphere of LOVE, KINDNESS & RESPECT.
(Catholic)
601 Van Buren St
Oak Park, IL 60304
(708) 386-7282
Gr: PK-8 | 394 students Sports: 5 | Extracurrculars: 5 Tuition listed
Fenwick High School
(Catholic)
505 Washington Blvd
Oak Park, IL 60302
(708) 948-0332
Gr: 9-12 | 1,101 student Sports: 18
301 S. Ridgeland Ave.
Oak Park, IL 60302
(708) 848-6626
Gr: NS-8 | 80 students Avg. class size: 22 students Tuition & acceptance rate listed
St. Catherine Siena-st Lucy School
St. Catherine Siena-st Lucy School Photo - Welcome to St. Catherine of Siena - St. Lucy School! We are proud of our 126 year history serving the Oak Park and Austin communities as a faith-based, Christian centered Catholic grammar school.
(Catholic)
(1)
27 Washington Blvd
Oak Park, IL 60302
(708) 386-5286
Gr: PK-8 | 208 students Avg. class size: 15 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
Alcuin Montessori School
Alcuin Montessori School Photo
Montessori School
324 N Oak Park Ave
Oak Park, IL 60302
(708) 366-1882
Gr: NS-8 | 209 students Avg. class size: 20 students Sports: 1 | Extracurrculars: 3 Tuition listed
The Children's School of Oak Park
The Children's School of Oak Park Photo - KINDERGARTEN: Our play-based environment, with its carefully-planned daily routines and wide variety of learning experiences, allows Kindergarten children the space and time to work on social-emotional developmental tasks. Academic learning takes place in a non-pressured way within the context of this caring, nurturing community of learners.
Alternative School
820 Ontario
Oak Park, IL 60302
(708) 484-8033
Gr: K-8 | 144 students Avg. class size: 15 students Extracurrculars: 7 Tuition & acceptance rate listed
The Field School
(Christian)
931 Lake St
Oak Park, IL 60301
(708) 434-5811
Gr: PK-6 | 115 students
First Baptist Preschool & Kindergarten
Daycare / Preschool (Baptist)
820 Ontario St
Oak Park, IL 60302
(708) 383-1190
Gr: PK-K | 53 students
La Casa Montessori School
Montessori School
514 Adams St
Oak Park, IL 60304
(773) 495-9615
Gr: K-5 | 20 students
Morningside Children's Academy
Montessori School
1192 S Cuyler Avenue
Oak Park, IL 60304
(708) 386-3979
Gr: NS-PK | 30 students
Oakpark Montessori School
Montessori School
937 Garfield St
Oak Park, IL 60304
(708) 358-6000
Gr: PK-K | 9 students
Our Lady Immaculate Academy
(Catholic)
410 Washington Blvd
Oak Park, IL 60302
(708) 524-2408
Gr: 2-8 | 25 students
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
[+] Show Closed Private Schools in Oak Park, Illinois

Oak Park, Illinois Private Schools (Closed)

School
Location
Quick Facts
208 Harrison St
Oak Park, IL 60304
(708) 848-0701
Gr: PK-K | 47 students
165 N Lombard Avenue
Oak Park, IL 60302
(708) 383-6570
Gr: K | 45 students
326 Lake Street # 8
Oak Park, IL 60302
(708) 386-2060
Gr: NS-PK | 16 students
200 S Oak Park Ave
Oak Park, IL 60302
(708) 386-5131
Gr: PK-8 | 136 students

Frequently Asked Questions

What are the top ranked private schools in Oak Park, IL?
The top ranked private schools in Oak Park, IL include St. Giles School, St. Catherine Siena-st Lucy School, and Ascension Continuation School.
How many private schools are located in Oak Park?
14 private schools are located in Oak Park.
How diverse are private schools in Oak Park?
Oak Park private schools are approximately 35% minority students, which is higher than the Illinois private school average of 34%.
What percentage of students in Oak Park go to private school?
24% of all K-12 students in Oak Park are educated in private schools (compared to the IL state average of 12%).
What percentage of private schools are religiously affiliated in Oak Park?
50% of private schools in Oak Park are religiously affiliated (most commonly Catholic and Baptist).
Which private schools in Oak Park are often viewed compared to one another?

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