For the 2026 school year, there are 14 all-boys private high schools serving 6,577 students in Missouri.
The top-ranked all-boys private high schools in Missouri include Rockhurst High School, Christian Brothers College High School, and St. Louis University High School.
The average tuition cost is $18,930, which is higher than the Missouri private high school average tuition cost of $14,864.
Top-Ranked Missouri All-Boys Private High Schools (2026)
School
Location
Quick Facts
4970 Oakland Ave
Saint Louis, MO 63110
(314) 531-0330
Saint Louis, MO 63110
(314) 531-0330
Gr: 9-12 | 1,000 students Avg. class size: 250 students Sports: 21 | Extracurrculars: 109 Tuition & acceptance rate listed
Chaminade College Prep School ![Chaminade College Prep School Photo - 2015 Senior House Captains]( "Chaminade College Prep School Photo - 2015 Senior House Captains")
All-boys (Catholic)
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Saint Louis, MO 63131
(314) 993-4400
Gr: 6-12 | 851 students Avg. class size: 17 students Sports: 19 | Extracurrculars: 29 Tuition & acceptance rate listed
Chaminade College Preparatory School
All-boys (Catholic)
425 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Saint Louis, MO 63131
(314) 993-4400
Gr: 6-12 | 832 students Tuition listed
Christian Brothers College High School ![Christian Brothers College High School Photo]( "Christian Brothers College High School Photo")
All-boys (Catholic)
1850 De La Salle Dr
Saint Louis, MO 63141
(314) 985-6095
Saint Louis, MO 63141
(314) 985-6095
Gr: 9-12 | 849 students Avg. class size: 18 students Sports: 19 Tuition & acceptance rate listed
233 N New Ballas Rd
Saint Louis, MO 63141
(314) 567-3500
Saint Louis, MO 63141
(314) 567-3500
Gr: 9-12 | 645 students Tuition & acceptance rate listed
204 N Grand St
Mexico, MO 65265
(573) 581-1776
Mexico, MO 65265
(573) 581-1776
Gr: 7-12 | 193 students Avg. class size: 14 students Sports: 15 | Extracurrculars: 25 Tuition & acceptance rate listed
Rockhurst High School ![Rockhurst High School Photo]( "Rockhurst High School Photo")
All-boys (Catholic)
9301 State Line Rd
Kansas City, MO 64114
(816) 363-2036
Kansas City, MO 64114
(816) 363-2036
Gr: 9-12 | 938 students Avg. class size: 22 students Sports: 14 | Extracurrculars: 22 Tuition & acceptance rate listed
1311 S Kirkwood Rd
Saint Louis, MO 63122
(314) 965-4853
Saint Louis, MO 63122
(314) 965-4853
Gr: 9-12 | 550 students Avg. class size: 18 students Sports: 16 | Extracurrculars: 41 Tuition listed
St. Louis Priory School
All-boys (Catholic)
500 S Mason Rd
Saint Louis, MO 63141
(314) 434-3690
Saint Louis, MO 63141
(314) 434-3690
Gr: 7-12 | 331 students Avg. class size: 18 students Tuition listed
RR 3 Box 34725
Piedmont, MO 63957
(573) 223-2025
Piedmont, MO 63957
(573) 223-2025
Gr: 5-12 | 15 students Avg. class size: 37 students Tuition listed
296 Boys Ranch Rd
Lampe, MO 65681
(417) 779-5374
Lampe, MO 65681
(417) 779-5374
Gr: 4-12 | 20 students
Missouri Torah Institute
All-boys | Special Program Emphasis (Jewish)
1809 Clarkson Rd
Chesterfield, MO 63017
(636) 778-1896
Chesterfield, MO 63017
(636) 778-1896
Gr: 9-12 | 72 students
St. Mary's High School ![St. Mary's High School Photo]( "St. Mary's High School Photo")
All-boys (Catholic)
4701 S Grand Blvd
Saint Louis, MO 63111
(314) 481-8400
Saint Louis, MO 63111
(314) 481-8400
Gr: 9-12 | 271 students Sports: 14 | Extracurrculars: 3 Tuition listed
Teen Harvest ![Teen Harvest Photo - Boys and Staff]( "Teen Harvest Photo - Boys and Staff")
All-boys | Alternative School (Christian)
Co Rd 402
Ava, MO 65608
(417) 683-1080
Ava, MO 65608
(417) 683-1080
Gr: 7-12 | 10 students Avg. class size: 7 students Tuition listed
Frequently Asked Questions
What are the top-ranked all-boys private high schools in Missouri?
The top-ranked all-boys private high schools in Missouri include Rockhurst High School, Christian Brothers College High School, and St. Louis University High School.
How many all-boys private high schools are located in Missouri?
14 all-boys private high schools are located in Missouri.
How much do all-boys private high schools cost in Missouri?
The average tuition cost is $18,930, which is higher than the Missouri private school average tuition cost of $14,864.
How diverse are all-boys private high schools in Missouri?
Missouri all-boys private high schools are approximately 19% minority students, which is lower than the Missouri private school average of 22%.
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