The average private high school in Missouri has 255 students (2025).
The largest private high school in Missouri is Mizzou K 12 Online/mu High School with 6,961 students.
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School Size Range: 434
6,961
Avg. School Size: 933
Largest Missouri Private High Schools (2025)
School
# Students
Grades
Location
Rank: #11.
Students: 6,961
Grades: 6-12
136 Clark Hall
Columbia, MO 65211
(573) 884-9173
Columbia, MO 65211
(573) 884-9173
Students: 1,265
Grades: K-12
101 N Warson Rd
Saint Louis, MO 63124
(314) 995-7402
Saint Louis, MO 63124
(314) 995-7402
Rank: #33.
Students: 1,257
Grades: NS-12
1500 SW Jefferson
Lees Summit, MO 64081
(816) 525-1480
Lees Summit, MO 64081
(816) 525-1480
Rank: #44.
Students: 1,253
Grades: PK-12
101 North Warson Road
Saint Louis, MO 63124
(314) 995-7367
Saint Louis, MO 63124
(314) 995-7367
Rank: #55.
Students: 1,241
Grades: PK-12
101 N Warson Rd
Saint Louis, MO 63124
(314) 995-7448
Saint Louis, MO 63124
(314) 995-7448
Rank: #66.
Students: 1,181
Grades: NS-12
400 W 51st St
Kansas City, MO 64112
(816) 936-1200
Kansas City, MO 64112
(816) 936-1200
Rank: #77.
Students: 968
Grades: 9-12
4970 Oakland Ave
Saint Louis, MO 63110
(314) 531-0330
Saint Louis, MO 63110
(314) 531-0330
Rank: #88.
Students: 950
Grades: 7-12
800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Chesterfield, MO 63017
(314) 997-2900
Rank: #99.
Rockhurst High School
All-boys (Catholic)
Students: 938
Grades: 9-12
9301 State Line Rd
Kansas City, MO 64114
(816) 363-2036
Kansas City, MO 64114
(816) 363-2036
Rank: #1010.
St. Dominic High School
(Catholic)
Students: 927
Grades: 9-12
31 Saint Dominic Dr
O Fallon, MO 63366
(636) 240-8303
O Fallon, MO 63366
(636) 240-8303
Rank: #1111.
Students: 861
Grades: K-12
11511 State Line
Kansas City, MO 64114
(816) 277-0365
Kansas City, MO 64114
(816) 277-0365
Rank: #1212.
Christian Brothers College High School
All-boys (Catholic)
Students: 849
Grades: 9-12
1850 De La Salle Dr
Saint Louis, MO 63141
(314) 985-6095
Saint Louis, MO 63141
(314) 985-6095
Rank: #1313.
Chaminade College Preparatory School
All-boys (Catholic)
Students: 832
Grades: 6-12
425 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Saint Louis, MO 63131
(314) 993-4400
Rank: #1414.
Chaminade College Prep School
All-boys (Catholic)
Students: 815
Grades: 6-12
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Saint Louis, MO 63131
(314) 993-4400
Rank: #1515.
Students: 768
Grades: PK-12
3304 South Cox Ave
Springfield, MO 65807
(417) 887-9848
Springfield, MO 65807
(417) 887-9848
Rank: #1616.
Students: 738
Grades: 9-12
1305 Swifts Hwy
Jefferson City, MO 65109
(573) 635-6139
Jefferson City, MO 65109
(573) 635-6139
Rank: #1717.
Students: 712
Grades: 1-12
7253 Watson Rd PMB #2067
Saint Louis, MO 63119
(314) 432-7534
Saint Louis, MO 63119
(314) 432-7534
Rank: #1818.
Veritas Christian Academy
(Christian)
Students: 664
Grades: NS-12
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
O Fallon, MO 63366
(636) 978-1680
Rank: #1919.
Students: 660
Grades: 7-12
755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
Saint Louis, MO 63124
(314) 993-4040
Rank: #2020.
Students: 645
Grades: 9-12
233 N New Ballas Rd
Saint Louis, MO 63141
(314) 567-3500
Saint Louis, MO 63141
(314) 567-3500
Rank: #2121.
Visitation Academy Of St. Louis
All-girls (Catholic)
Students: 619
Grades: PK-12
3020 North Ballas Road
Saint Louis, MO 63131
(314) 625-9100
Saint Louis, MO 63131
(314) 625-9100
Rank: #2222.
Students: 614
Grades: NS-12
11511 State Line Rd
Kansas City, MO 64114
(816) 942-4054
Kansas City, MO 64114
(816) 942-4054
Rank: #2323.
St. Teresa's Academy
All-girls (Catholic)
Students: 607
Grades: 9-12
5600 Main St
Kansas City, MO 64113
(816) 501-0036
Kansas City, MO 64113
(816) 501-0036
Rank: #2424.
Students: 597
Grades: PK-12
10500 N. Trailblazer Drive
Kansas City, MO 64155
(816) 548-2222
Kansas City, MO 64155
(816) 548-2222
Rank: #2525.
Students: 594
Grades: NS-12
4311 Newman Rd
Joplin, MO 64801
(417) 782-4114
Joplin, MO 64801
(417) 782-4114
Rank: #2626.
Nerinx Hall High School
All-girls (Catholic)
Students: 589
Grades: 9-12
530 E Lockwood Ave
Saint Louis, MO 63119
(314) 968-1505
Saint Louis, MO 63119
(314) 968-1505
Rank: #2727.
Villa Duchesne School
All-girls (Catholic)
Students: 564
Grades: PK-12
10801 Conway Road
Saint Louis, MO 63131
(314) 432-2021
Saint Louis, MO 63131
(314) 432-2021
Rank: #2828.
Cor Jesu Academy
All-girls (Catholic)
Students: 550
Grades: 9-12
10230 Gravois Rd
Saint Louis, MO 63123
(314) 842-1546
Saint Louis, MO 63123
(314) 842-1546
Rank: #2929.
Christian School District
(Christian)
Students: 546
Grades: PK-12
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
O Fallon, MO 63366
(636) 978-1680
Rank: #3030.
St. Joseph's Academy
All-girls (Catholic)
Students: 529
Grades: 9-12
2307 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 394-4333
Saint Louis, MO 63131
(314) 394-4333
Rank: #3131.
Students: 526
Grades: 9-12
1311 S Kirkwood Rd
Saint Louis, MO 63122
(314) 965-4853
Saint Louis, MO 63122
(314) 965-4853
Rank: #3232.
Students: 478
Grades: PK-12
4600 Christian Fellowship Rd
Columbia, MO 65203
(573) 445-8565
Columbia, MO 65203
(573) 445-8565
Rank: #3333.
Students: 477
Grades: PK-12
13201 Clayton Rd
Saint Louis, MO 63131
(314) 434-2100
Saint Louis, MO 63131
(314) 434-2100
Rank: #3434.
Lutheran High School Of St. Charles County
(Lutheran Church Missouri Synod)
Students: 439
Grades: 9-12
5100 Mexico Rd
Saint Peters, MO 63376
(636) 928-5100
Saint Peters, MO 63376
(636) 928-5100
Rank: #35 - 3635. - 36.
Notre Dame Regional High School
(Catholic)
Students: 434
Grades: 9-12
265 Notre Dame Dr
Cape Girardeau, MO 63701
(573) 335-6772
Cape Girardeau, MO 63701
(573) 335-6772
Show 100 more private schools in MO (out of 224 total schools)
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Frequently Asked Questions
What is the Missouri average private high schools student size?
The Missouri average private high schools student size is 255 for 2025.
What are the private high schools with the largest student size in Missouri?
The top ranked private high schools in Missouri include Mizzou K 12 Online/mu High School, Mary Institute And Saint Louis Country Day School and Summit Christian Academy.
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