Education for Life

A Montessori school for children ages 2.5 to 12 years

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Lessons are designed and given to each child when they are most ready to learn.

Social, emotional, and physical development is emphasized along with academic skills.

Freedom to move and choose activities fosters independence and self-confidence.

Current neurology and human development research consistently backs Montessori.

This is Why We Believe in The Montessori Approach!

About Us

Our mission at OakHaven is to provide a loving, nurturing, and safe community where students are challenged to excel. As a trusted Montessori school in Dardenne Prairie, MO, we embrace the teachings of Maria Montessori to equip students with a solid foundation for life. Each child is encouraged to discover his/her unique purpose. We work together to create peace in this world while serving families throughout Dardenne Prairie, O’Fallon, and St. Charles County.

Our Programs

Primary

Primary

2.5-6 years
Elementary

Elementary

6-12 years
Before & After School Care

Before & After School Care
Summer Camp

How to Apply

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Submit an Application

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Why OakHaven?

Our Blog

Two children drawing at a table in a classroom, with flowers in a vase in the foreground.

A Peek Inside the Environment: What Does a True Montessori Day Look Like?

August 31, 2026
Curious about what a true day looks like at OakHaven Montessori School? Peek inside our environments to see how our morning work cycle fosters independence.
Child in a dark green shirt sits at a table, smiling at the camera.

Understanding Your Child's Growth: The First Plane of Development (Birth to Age Six)

August 24, 2026
Discover how the first plane of development shapes your child's early years. Learn how OakHaven Montessori School supports functional independence from birth to age six.
Woman shows a child a blue letter with a yellow A in a classroom setting

Montessori: What’s in a Name?

August 17, 2026
What does "Montessori" actually mean? Discover how OakHaven Montessori School's AMI recognition sets the standard for authentic education in Dardenne Prairie.

Visit us!

We invite you to visit our school, meet the teachers, and observe the children in their classrooms. We encourage you to ask questions and learn about the opportunities available at all levels of our programs.

Schedule a Tour