Missouri Military Academy Photo - Established in 1889, Missouri Military Academy has transformed young men into leaders who are well-educated, prepared gentlemen of character. Our long history and distinct traditions inspire a sense of pride and duty among the young men who seek to fulfill their potential at MMA.

Best Missouri Boarding Schools (2025-26)

For the 2025-26 school year, there are 4 college-prep and junior boarding schools serving 1,108 students located throughout Missouri.

Top Missouri Boarding Schools (2025-26)

School
Location
Quick Facts
Chaminade College Preparatory School
Chaminade College Preparatory School Photo - Chaminade is located 20 minutes outside of Downtown St. Louis in the lovely, safe, green neighborhood of Creve Coeur. Our 55 acre campus is fun and lively throughout the school year and a wonderful place not only to study and play but also to become part of the family.
(Catholic)
425 South Lindbergh Blvd.
St. Louis, MO 63131
(314) 692-6645
Gr: 6-12 | 800 students Student-teacher ratio: 9:1 Avg. class size: 17 students Tuition listed
Missouri Military Academy
Missouri Military Academy Photo - Established in 1889, Missouri Military Academy has transformed young men into leaders who are well-educated, prepared gentlemen of character. Our long history and distinct traditions inspire a sense of pride and duty among the young men who seek to fulfill their potential at MMA.
(Non-denom. / Christian)
(7)
204 Grand Street
Mexico, MO 65265
(573) 581-1776
Gr: 7-12, PG | 220 students Student-teacher ratio: 11:1 Avg. class size: 14 students Acceptance rate: 65% Tuition listed
Principia School
(Anglican)
13201 Clayton Rd
St. Louis, MO 63131
(314) 514-3188
Gr: 9-12, PG
Thomas Jefferson School
Thomas Jefferson School Photo - TJ sits on 20 picturesque acres in suburban St. Louis, MO.
(2)
4100 South Lindbergh Blvd.
Saint Louis, MO 63127
(314) 843-4151
Gr: 7-12 | 88 students Student-teacher ratio: 6:1 Avg. class size: 15 students Acceptance rate: 70% Tuition listed

Frequently Asked Questions

How many boarding schools are located in Missouri?
There are 4 college-preparatory boarding schools located in Missouri.
What is the average tuition cost of boarding school in Missouri?
The average Missouri boarding school tuition cost is $54,788 per year.
What is the oldest boarding school in Missouri?
Missouri Military Academy, founded in 1889, is the oldest boarding school in Missouri.
What boarding school in Missouri has the lowest acceptance rates?
Missouri Military Academy has the lowest boarding school acceptance rate (65%) in Missouri.
What boarding school in Missouri has the highest average SAT scores?
Thomas Jefferson School has the highest average SAT scores (1450) in Missouri.

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