Private School Review - Established 2003
Living Water Academy Photo - LWA participates in the annual See You at the Pole gathering every fourth Wednesday in September to pray and praise our Lord and Savior Jesus Christ.
Living Water Academy

Largest Missouri Private High Schools

The average private high school in Missouri has 249 students (2025-26).
The largest private high school in Missouri is Mizzou K 12 Online/mu High School, with 6,961 students.
School Size Range: 433 6,961 Avg. School Size: 891

Largest Missouri Private High Schools (2025-26)

School
# Students
Grades
Location
Rank: #11.
Mizzou K 12 Online/mu High School
Students: 6,961
Grades: 6-12
136 Clark Hall
Columbia, MO 65211
(573) 884-9173
Rank: #22.
Summit Christian Academy
Summit Christian Academy Photo - Summit Christian Academy is an independent, nondenominational Christian school located in the Kansas City, Missouri, area serving over 1300 students from preschool through 12th grade. Summit Christian Academy is fully accredited by the Association of Christian Schools International and AdvancED.Our mission is to inspire students to achieve their God-given potential through excellent academics and Christian training in a compassionate environment.
(Christian)
(3)
Students: 1,337
Grades: NS-12
1500 SW Jefferson
Lees Summit, MO 64081
(816) 525-1480
Rank: #33.
MICDS (Mary Institute and St. Louis Country Day School)
MICDS (Mary Institute and St. Louis Country Day School) Photo
(3)
Students: 1,236
Grades: PK-12
101 North Warson Road
Saint Louis, MO 63124
(314) 995-7367
Rank: #44.
Pembroke Hill School
Pembroke Hill School Photo
Students: 1,181
Grades: NS-12
400 W 51st St
Kansas City, MO 64112
(816) 936-1200
Rank: #55.
St. Louis University High School
St. Louis University High School Photo - We challenge our students to think critically, lead courageously and transform the world as Men for Others.
All-boys (Catholic)
(1)
Students: 1,008
Grades: 9-12
4970 Oakland Ave
Saint Louis, MO 63110
(314) 531-0330
Rank: #66.
Westminster Christian Academy
Westminster Christian Academy Photo
(Christian)
Students: 970
Grades: 7-12
800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Rank: #77.
Rockhurst High School
Rockhurst High School Photo
All-boys (Catholic)
Students: 938
Grades: 9-12
9301 State Line Rd
Kansas City, MO 64114
(816) 363-2036
Rank: #88.
St. Dominic High School
(Catholic)
Students: 927
Grades: 9-12
31 Saint Dominic Dr
O Fallon, MO 63366
(636) 240-8303
Rank: #99.
The Barstow School
Special Program Emphasis (Catholic)
(1)
Students: 861
Grades: K-12
11511 State Line
Kansas City, MO 64114
(816) 277-0365
Rank: #1010.
Chaminade College Prep School
Chaminade College Prep School Photo - 2015 Senior House Captains
All-boys (Catholic)
Students: 851
Grades: 6-12
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Rank: #1111.
Christian Brothers College High School
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
Rank: #1212.
Chaminade College Preparatory School
All-boys (Catholic)
Students: 832
Grades: 6-12
425 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
Rank: #1313.
New Covenant Academy
New Covenant Academy Photo - Academic Excellence from start to finish including dual credit courses in high school. This picture is a dual credit Anatomy and Physiology class.
(Christian)
(7)
Students: 792
Grades: PK-12
3304 South Cox Ave
Springfield, MO 65807
(417) 887-9848
Rank: #1414.
Helias Catholic High School
(Catholic)
(2)
Students: 738
Grades: 9-12
1305 Swifts Hwy
Jefferson City, MO 65109
(573) 635-6139
Rank: #1515.
Greenways Academy
Greenways Academy Photo - Welcome to our "quirky" little school We celebrate all learnersEducate, Motivate, Graduate
Students: 712
Grades: 1-12
5850 Macklind Ave. #168
Saint Louis, MO 63109
(314) 432-7534
Rank: #1616.
Veritas Christian Academy
Veritas Christian Academy Photo
(Christian)
Students: 664
Grades: NS-12
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
Rank: #1717.
John Burroughs School
John Burroughs School Photo - In a rigorous curriculum, students learn creative problem solving, critical thinking, data-driven decision making and collaboration skills that will prepare them for active participation in a world with new challenges.
Students: 660
Grades: 7-12
755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
Rank: #1818.
De Smet Jesuit High School
All-boys (Catholic)
(2)
Students: 645
Grades: 9-12
233 N New Ballas Rd
Saint Louis, MO 63141
(314) 567-3500
Rank: #1919.
Visitation Academy Of St. Louis
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
Rank: #2020.
Barstow School
(1)
Students: 614
Grades: NS-12
11511 State Line Rd
Kansas City, MO 64114
(816) 942-4054
Rank: #2121.
St. Teresa's Academy
All-girls (Catholic)
Students: 607
Grades: 9-12
5600 Main St
Kansas City, MO 64113
(816) 501-0036
Rank: #2222.
New Heights Christian Academy
New Heights Christian Academy Photo
(Christian)
(2)
Students: 594
Grades: NS-12
4311 Newman Rd
Joplin, MO 64801
(417) 782-4114
Rank: #2323.
Nerinx Hall High School
All-girls (Catholic)
Students: 589
Grades: 9-12
530 E Lockwood Ave
Saint Louis, MO 63119
(314) 968-1505
Rank: #2424.
Villa Duchesne School
Villa Duchesne School Photo - Villa Duchesne Upper School (Girls, grades 7-12)
All-girls (Catholic)
Students: 584
Grades: PK-12
10801 Conway Road
Saint Louis, MO 63131
(314) 432-2021
Rank: #2525.
Northland Christian Education System
Northland Christian Education System Photo - Middle School Science Class
(Christian)
(2)
Students: 573
Grades: PK-12
10500 N. Trailblazer Drive
Kansas City, MO 64155
(816) 548-2222
Rank: #2626.
Cor Jesu Academy
Cor Jesu Academy Photo
All-girls (Catholic)
Students: 550
Grades: 9-12
10230 Gravois Rd
Saint Louis, MO 63123
(314) 842-1546
Rank: #2727.
Christian School District
Christian School District Photo
(Christian)
Students: 546
Grades: PK-12
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
Rank: #2828.
St. Joseph's Academy
All-girls (Catholic)
Students: 529
Grades: 9-12
2307 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 394-4333
Rank: #2929.
St. John Vianney High School
All-boys (Catholic)
(2)
Students: 526
Grades: 9-12
1311 S Kirkwood Rd
Saint Louis, MO 63122
(314) 965-4853
Rank: #3030.
Christian Fellowship School
Christian Fellowship School Photo - One of our favorite traditions is the elementary Christmas program.
(Christian)
(7)
Students: 478
Grades: PK-12
4600 Christian Fellowship Rd
Columbia, MO 65203
(573) 445-8565
Rank: #3131.
Principia School
Principia School Photo
Students: 477
Grades: PK-12
13201 Clayton Rd
Saint Louis, MO 63131
(314) 434-2100
Rank: #3232.
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
Rank: #33 - 3433. - 34.
Notre Dame Regional High School
(Catholic)
Students: 434
Grades: 9-12
265 Notre Dame Dr
Cape Girardeau, MO 63701
(573) 335-6772
Rank: #33 - 3433. - 34.
St. Joseph Christian School
St. Joseph Christian School Photo - Champion Academic Teams
(Christian)
Students: 434
Grades: PK-12
5401 Gene Field Road
Saint Joseph, MO 64506
(816) 279-1555
Rank: #3535.
St. Vincent De Paul Junior/Senior Schools
(Catholic)
Students: 433
Grades: PK-12
210 S Waters St
Perryville, MO 63775
(573) 547-4300
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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 249 for 2025-26.
What are the private high schools with the largest student size in Missouri?

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