The mission of Countryside is to provide an environment which emphasizes the development of character, particularly the virtues of Respect, Responsibility, and Resourcefulness.
Countryside has been providing an exceptional learning environment for children for over 50 years. Countryside has no religious affiliation and welcomes students of every race, sex, color, and national or ethnic origin.
It is a not-for-profit corporation with financial assistance available to those who qualify.
Each applicant is individually considered for admission and offered the opportunity for enrollment.
The school draws students from Chicago's North and Northwest suburbs.
Quick Facts (2025-26)
- School Type: Montessori School
- Grades: Prekindergarten-8
- Enrollment: 160 students
- Yearly Tuition: $18,850
- Acceptance rate: 90%
- Average class size: 30 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1967
Summer School Offered
Yes
Summer Program Details
School Calendar
Student Body
Total Students
160 students
Student Body Type
Co-ed
% Students of Color
20%
State avg.: 34%
Students by Grade

Academics and Faculty
Total Classroom Teachers
12 teachers
Student-Teacher Ratio
13:1
National avg.: 13:1
% Faculty w/Advanced Degree
4%
Average Class Size
30 students
Classroom Dress Code
Casual
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$18,850
Tuition Notes
$400,000 annually in financial assistance available for families.
% on Financial Aid
20%
Average Financial Aid Grant
$3,000
Acceptance Rate
90%
National avg.: 81%
Admissions Director
Karen O'Malley
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
5 extracurriculars
ExtracurricularsExtra-curric.
GymnasticsMath Club
Science ClubSpanish
Sports and Games
School Notes
- The mission of Countryside Day School is to provide an environment which emphasizes the development of character, particularly the virtues of Respect, Responsibility, and Resourcefulness.
- Countryside has been providing an exceptional learning environment for children for over 50 years. Countryside has no religious affiliation and welcomes students of every race, sex, color, and national or ethnic origin.
- It is a not-for-profit corporation with financial assistance available to those who qualify.
- Each applicant is individually considered for admission and offered the opportunity for enrollment.
- The school draws students from Chicago's North and Northwest suburbs.
Source: Verified school update
Frequently Asked Questions
How much does Countryside Montessori School cost?
Countryside Montessori School's tuition is approximately $18,850 for private students.
What is the acceptance rate of Countryside Montessori School?
The acceptance rate of Countryside Montessori School is 90%, which is higher than the national average of 84%.
Does Countryside Montessori School offer a summer program?
Yes, Countryside Montessori School offers a summer program. Visit their summer school page for more information.
When is the application deadline for Countryside Montessori School?
The application deadline for Countryside Montessori School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is Countryside Montessori School located?
Countryside Montessori School is located in the Techny neighborhood of Northbrook, IL. There are 1 other private schools located in Techny.
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