OakHaven Montessori School is an authentic, private Montessori school in O'Fallon, MO. Our strong community is dedicated to giving each child the very best education for life.
We offer beautiful, natural, hands-on learning environments for children ages 2.5 through 12.
Quick Facts (2025-26)
- Top Ranked MO School
- School Type: Montessori School
- Grades: Prekindergarten-6
- Enrollment: 94 students
- Average class size: 25 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
OakHaven Montessori School ranks among the top 20% of private schools in Missouri for:
Category
Attribute
Advanced Degrees
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-6
Year Founded
2008
Summer School Offered
Yes
Summer Program Details
School Calendar
Last Day of School
Thu. May 21, 2026
Campus Size
4 acres
Student Body
Total Students
94 students
Student Body Type
Co-ed
% Students of Color
15%
State avg.: 20%
Students by Grade
Academics and Faculty
Total Classroom Teachers
8 teachers
Student-Teacher Ratio
12:1
National avg.:
% Faculty w/Advanced Degree
83%
Average Class Size
25 students
Classroom Dress Code
Casual
Uniform shirts
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Tuition Notes
Tuition varies depending on program selection
Summer Program Cost Notes
Summer camps are offered for our Primary students ages 2.5-6 years.
Admissions Director
April Powell
Admissions Associate
Shannon Troupe
Application URL
Sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
6 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Arts and Music Programs:
Recreational Athletic Programs:
ChessLego Club
Arts and Music Programs:
ArtMusic Lessons
Recreational Athletic Programs:
Soccer ShotsYoga
School Notes
- School Mascot: Montessori Owl
- Set on four acres of scenic, park-like grounds, OakHaven Montessori School provides children with a hands-on education from pre-school through 6th grade. The nurturing and holistic environment reflects the spirit of every staff member here. Each child is respected as an individual as they grow and learn interdependence with all of life.
- Exceptional education in a beautiful environment makes OakHaven Montessori School a place where each child can find their own unique gifts and excel. We are fully recognized by the Association Montessori Internationale and offer authentic Montessori education in a warm and loving community.
Source: Verified school update
Frequently Asked Questions
Does OakHaven Montessori School offer a summer program?
Yes, OakHaven Montessori School offers a summer program. Visit their for more information.
What sports does OakHaven Montessori School offer?
OakHaven Montessori School offers 3 interscholastic sports: Baseball, Dance and Soccer.
What is OakHaven Montessori School's ranking?
OakHaven Montessori School ranks among the top 20% of private schools in Missouri for: Highest percentage of faculty with advanced degrees.
When is the application deadline for OakHaven Montessori School?
The application deadline for OakHaven Montessori School is rolling (applications are reviewed as they are received year-round).
Related Schools
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People that viewed OakHaven Montessori School also viewed these schools: Hope Montessori Academy - Lake St. Louis, Veritas Christian Academy, First Baptist Christian Academy and Church On The Rock Christian.
The nearest high school to OakHaven Montessori School is Applewood Christian School (19.0 miles away)
The nearest elementary school and preschool is St. Paul Lutheran School (0.9 miles away)
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School
Location
Miles
Quick Facts
Hope Montessori Academy - Lake St. Louis
Montessori School
1799 Lake Saint Louis Blvd
Lake Saint Louis, MO 63367
(636) 561-2811
Lake Saint Louis, MO 63367
(636) 561-2811
122.3 miles
Gr: K | 7 students
Veritas Christian Academy![Veritas Christian Academy Photo]( "Veritas Christian Academy Photo")
(Christian)
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
O Fallon, MO 63366
(636) 978-1680
127.2 miles
Gr: NS-12 | 664 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 15 Tuition & acceptance rate listed
8750 Veterans Memorial Pkwy
O Fallon, MO 63366
(636) 272-3220
O Fallon, MO 63366
(636) 272-3220
127.4 miles
Gr: PK-6 | 277 students Avg. class size: 13 students Tuition & acceptance rate listed
Church On The Rock Christian
(Christian)
900 Birdie Hills Rd
Saint Peters, MO 63376
(636) 240-7775
Saint Peters, MO 63376
(636) 240-7775
129.1 miles
Gr: PK-12 | 138 students
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