For the 2025-26 school year, there are 4 montessori private high schools serving 285 students in Missouri.
The top ranked montessori private high schools in Missouri include Clay-Platte Montessori School and MAP St. Louis.
The average acceptance rate is 88%, which is higher than the Missouri private high school average acceptance rate of 85%.
Top Ranked Missouri Montessori Private High Schools (2025-26)
School
Location
Quick Facts
Clay-Platte Montessori School![Clay-Platte Montessori School Photo Clay-Platte Montessori School Photo]()

Montessori School
5901 NW Waukomis Drive
Kansas City, MO 64151
(816) 741-6940
Kansas City, MO 64151
(816) 741-6940
Gr: NS-12 | 129 students Avg. class size: 20 students Extracurrculars: 9 Tuition & acceptance rate listed
MAP St. Louis
Montessori School
3840 Washington Blvd.
Saint Louis, MO 63108
(314) 391-2994
Saint Louis, MO 63108
(314) 391-2994
Gr: 7-12 Avg. class size: 8 students Tuition & acceptance rate listed
1100 White Road
Chesterfield, MO 63017
(314) 469-6622
Chesterfield, MO 63017
(314) 469-6622
Gr: NS-12 | 127 students Avg. class size: 10 students Sports: 4 | Extracurrculars: 3 Tuition & acceptance rate listed
Map St. Louis
Montessori School
3840 Washington Blvd
Saint Louis, MO 63108
(314) 391-2994
Saint Louis, MO 63108
(314) 391-2994
Gr: 7-12 | 29 students Tuition listed
Frequently Asked Questions
What are the top ranked montessori private high schools in Missouri?
The top ranked montessori private high schools in Missouri include Clay-Platte Montessori School and MAP St. Louis.
How many montessori private high schools are located in Missouri?
4 montessori private high schools are located in Missouri.
Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.

The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.