The average private school in Missouri has 193 students (2025).
The largest private school in Missouri is Mizzou K 12 Online/mu High School with 6,961 students.
School Size Range: 557
6,961
Avg. School Size: 977
Largest Missouri Private 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.
St. Joseph School![St. Joseph School Photo]( "St. Joseph School Photo")
(Catholic)
Students: 991
Grades: PK-8
1351 Motherhead Rd
Saint Charles, MO 63304
(636) 441-0055
Saint Charles, MO 63304
(636) 441-0055
Rank: #88.
Students: 968
Grades: 9-12
4970 Oakland Ave
Saint Louis, MO 63110
(314) 531-0330
Saint Louis, MO 63110
(314) 531-0330
Rank: #99.
Students: 950
Grades: 7-12
800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Chesterfield, MO 63017
(314) 997-2900
Rank: #1010.
Rockhurst High School![Rockhurst High School Photo]( "Rockhurst High School Photo")
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: #1111.
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: #1212.
Immaculate Conception School![Immaculate Conception School Photo - Our School Front]( "Immaculate Conception School Photo - Our School Front")
(Catholic)
Students: 877
Grades: PK-8
2089 Hanley Road
O Fallon, MO 63368
(636) 561-4450
O Fallon, MO 63368
(636) 561-4450
Rank: #1313.
Students: 861
Grades: K-12
11511 State Line
Kansas City, MO 64114
(816) 277-0365
Kansas City, MO 64114
(816) 277-0365
Rank: #1414.
Christian Brothers College High School![Christian Brothers College High School Photo]( "Christian Brothers College High School Photo")
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: #1515.
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: #1616.
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)
Students: 815
Grades: 6-12
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Saint Louis, MO 63131
(314) 993-4400
Rank: #1717.
Students: 768
Grades: PK-12
3304 South Cox Ave
Springfield, MO 65807
(417) 887-9848
Springfield, MO 65807
(417) 887-9848
Rank: #1818.
Students: 738
Grades: 9-12
1305 Swifts Hwy
Jefferson City, MO 65109
(573) 635-6139
Jefferson City, MO 65109
(573) 635-6139
Rank: #1919.
Students: 735
Grades: NS-8
110 W Woodbine Ave
Saint Louis, MO 63122
(314) 822-7774
Saint Louis, MO 63122
(314) 822-7774
Rank: #2020.
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: #2121.
Veritas Christian Academy![Veritas Christian Academy Photo]( "Veritas Christian Academy Photo")
(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: #2222.
Students: 660
Grades: 7-12
755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
Saint Louis, MO 63124
(314) 993-4040
Rank: #2323.
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: #2424.
Our Lady Of Lourdes Interparish School
(Catholic)
Students: 640
Grades: K-8
817 Bernadette Dr
Columbia, MO 65203
(573) 445-6516
Columbia, MO 65203
(573) 445-6516
Rank: #2525.
Visitation Academy Of St. Louis![Visitation Academy Of St. Louis Photo]( "Visitation Academy Of St. Louis Photo")
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: #2626.
Students: 614
Grades: NS-12
11511 State Line Rd
Kansas City, MO 64114
(816) 942-4054
Kansas City, MO 64114
(816) 942-4054
Rank: #2727.
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: #2828.
Students: 597
Grades: PK-12
10500 N. Trailblazer Drive
Kansas City, MO 64155
(816) 548-2222
Kansas City, MO 64155
(816) 548-2222
Rank: #2929.
Students: 594
Grades: NS-12
4311 Newman Rd
Joplin, MO 64801
(417) 782-4114
Joplin, MO 64801
(417) 782-4114
Rank: #3030.
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: #3131.
Holy Infant Elementary School
(Catholic)
Students: 583
Grades: PK-8
248 New Ballwin Rd
Ballwin, MO 63021
(636) 227-0802
Ballwin, MO 63021
(636) 227-0802
Rank: #3232.
Zion Lutheran
(Lutheran Church Missouri Synod)
Students: 568
Grades: NS-8
450 N Main St
Poplar Bluff, MO 63901
(573) 785-6112
Poplar Bluff, MO 63901
(573) 785-6112
Rank: #3333.
Villa Duchesne School![Villa Duchesne School Photo - Villa Duchesne Upper School (Girls, grades 7-12)]( "Villa Duchesne School Photo - Villa Duchesne Upper School (Girls, grades 7-12)")
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: #3434.
Holy Cross Acadmey
(Catholic)
Students: 560
Grades: PK-8
7748 Mackenzie Rd
Saint Louis, MO 63123
(314) 475-3436
Saint Louis, MO 63123
(314) 475-3436
Rank: #3535.
Zion Lutheran School
(Lutheran Church Missouri Synod)
Students: 557
Grades: PK-8
3866 S Old Highway 94
Saint Charles, MO 63304
(636) 441-7424
Saint Charles, MO 63304
(636) 441-7424
Show 100 more private schools in MO (out of 638 total schools)
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Frequently Asked Questions
What is the Missouri average private schools student size?
The Missouri average private schools student size is 193 for 2025.
What are the private schools with the largest student size in Missouri?
The top ranked private schools in Missouri include Mizzou K 12 Online/mu High School, Mary Institute And Saint Louis Country Day School and Summit Christian Academy.
What is private high school and private elementary school with the largest student size in Missouri?
The private high school with the largest student size in Missouri is Mizzou K 12 Online/mu High School, with a value of 6961. The private elementary school with the largest student size is Mizzou K 12 Online/mu High School, with a value of 6961.
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