Missouri Private High Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia)

For the 2026-27 school year, there are 42 private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) serving 13,712 students in Missouri. You can also find more schools membership associations in Missouri.
The top ranked private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Missouri include Rockhurst High School, Christian Brothers College High School, and Missouri Military Academy.
The average tuition cost is $15,776, which is higher than the Missouri private high school average tuition cost of $14,282.
83% of private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Missouri are religiously affiliated (most commonly Christian and Catholic).

Quick Facts (26-27)

  • # Private Schools: 42

Quick Facts (26-27)

  • # Private Schools: 42

Top Ranked Private High Schools Belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Missouri (2026-27)

Academy Of Saint Louis Photo
Gr: K-12 | 34 students
Avg. class size: 6 students
Extracurriculars: 2
Special Education School (Catholic)
505 St. Joseph Lane
Ballwin, MO 63021
(636) 534-5099
(3)
Map of Al-salam Day School
Gr: PK-12 | 333 students
Sports: 1
Islamic
519 Weidman Rd
Ballwin, MO 63011
(636) 394-8986
Christian Brothers College High School Photo
Gr: 9-12 | 833 students
Avg. class size: 20 students
Sports: 20 | Extracurriculars: 1
All-boys (Catholic)
1850 De La Salle Dr
Saint Louis, MO 63141
(314) 985-6095
Christian Fellowship School Photo
Gr: PK-12 | 478 students
Avg. class size: 20 students
Sports: 8 | Extracurriculars: 10
Christian
4600 Christian Fellowship Rd
Columbia, MO 65203
(573) 445-8565
(7)
Christian School District Photo
Gr: PK-12 | 546 students
Avg. class size: 15 students
Sports: 15
Christian
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
EYC Academy Photo
Gr: 6-12 | 180 students
Avg. class size: 10 students
Extracurriculars: 5
Alternative School
13718 Olive Blvd
Chesterfield, MO 63017
(636) 220-3344
Greenways Academy Photo
Gr: 1-12 | 712 students
Avg. class size: 15 students
5850 Macklind Ave. #168
Saint Louis, MO 63109
(314) 432-7534
Lutheran High School North Photo
Gr: 6-12 | 279 students
Avg. class size: 18 students
Sports: 13 | Extracurriculars: 14
Lutheran Church Missouri Synod
5401 Lucas And Hunt Rd
Saint Louis, MO 63121
(314) 389-3100
Lutheran High School South Photo
Gr: 9-12 | 391 students
Avg. class size: 21 students
Sports: 15 | Extracurriculars: 25
Lutheran Church Missouri Synod
9515 Tesson Ferry Road
Saint Louis, MO 63123
(314) 631-1400
Missouri Military Academy Photo
Gr: 7-12 | 193 students
Avg. class size: 14 students
Sports: 15 | Extracurriculars: 25
All-boys
204 N Grand St
Mexico, MO 65265
(573) 581-1776
(1)
New Covenant Academy Photo
Gr: PK-12 | 753 students
Sports: 11 | Extracurriculars: 15
Christian
3304 South Cox Ave
Springfield, MO 65807
(417) 887-9848
(7)
New Heights Christian Academy Photo
Gr: NS-12 | 594 students
Avg. class size: 22 students
Sports: 11 | Extracurriculars: 9
Christian
4311 Newman Rd
Joplin, MO 64801
(417) 782-4114
(2)
Northland Christian Education System Photo
Gr: PK-12 | 573 students
Avg. class size: 24 students
Sports: 11 | Extracurriculars: 12
Christian
10500 N. Trailblazer Drive
Kansas City, MO 64155
(816) 548-2222
(2)
The Plaza Academy Photo
Gr: 8-12 | 56 students
Avg. class size: 8 students
Extracurriculars: 8
Alternative School
3930 Broadway Blvd
Kansas City, MO 64111
(816) 561-0770
Plaza Heights Christian Academy Photo
Gr: NS-12 | 339 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 4
1500 Sw Clark Rd
Blue Springs, MO 64015
(816) 228-0670
(6)
Rockhurst High School Photo
Gr: 9-12 | 938 students
Avg. class size: 22 students
Sports: 14 | Extracurriculars: 22
All-boys (Catholic)
9301 State Line Rd
Kansas City, MO 64114
(816) 363-2036
Map of St. Joseph's Academy
Gr: 9-12 | 529 students
Avg. class size: 10 students
Sports: 12
All-girls (Catholic)
2307 S Lindbergh Blvd
Saint Louis, MO 63131
(314) 394-4333
St. Paul Lutheran High School Photo
Gr: 9-12 | 193 students
Avg. class size: 15 students
Sports: 10 | Extracurriculars: 16
Lutheran Church Missouri Synod
205 S. Main Street
Concordia, MO 64020
(660) 463-2238
(1)
St. Pius X High School Photo
Gr: 9-12 | 298 students
Sports: 14 | Extracurriculars: 2
Catholic
1030 St Pius Drive
Festus, MO 63028
(636) 931-7487
(1)
Map of St. Teresa's Academy
Gr: 9-12 | 607 students
All-girls (Catholic)
5600 Main St
Kansas City, MO 64113
(816) 501-0036
Summit Christian Academy Photo
Gr: NS-12 | 1,337 students
Avg. class size: 18 students
Sports: 14 | Extracurriculars: 27
Christian
1500 SW Jefferson
Lees Summit, MO 64081
(816) 525-1480
(3)
The Summit Preparatory School Photo
Gr: PK-12 | 205 students
Avg. class size: 15 students
Sports: 6 | Extracurriculars: 23
Alternative School
202 E. Walnut Lawn St.
Springfield, MO 65807
(417) 869-8077
(2)
Veritas Christian Academy Photo
Gr: NS-12 | 664 students
Avg. class size: 15 students
Sports: 14 | Extracurriculars: 15
Christian
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
Westminster Christian Academy Photo
Gr: 7-12 | 970 students
Avg. class size: 16 students
Sports: 20 | Extracurriculars: 25
Christian
800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Blue Ridge Christian School Photo
Gr: PK-12 | 84 students
Avg. class size: 10 students
Sports: 5
Christian
8524 Blue Ridge Blvd
Kansas City, MO 64138
(816) 358-0950
(1)
Christian Academy Of Greater St. Louis Photo
Gr: PK-12 | 152 students
Avg. class size: 10 students
Sports: 6 | Extracurriculars: 3
Church of Christ
11050 North Warson Road
Saint Louis, MO 63114
(314) 429-7070
(8)
Map of Eagle Ridge Christian School
Gr: PK-12 | 206 students
Sports: 4 | Extracurriculars: 3
4210 State Highway K
Cape Girardeau, MO 63701
(573) 339-1335
Map of Faith Walk Academy
Gr: PK-12 | 21 students
Sports: 7
Christian
514 Fox St
Paris, MO 65275
(660) 327-5752
(1)
Map of Gateway Legacy Christian Academy
Gr: 9-12 | 118 students
Avg. class size: 25 students
Sports: 7 | Extracurriculars: 2
Christian
1360 Grandview Drive
Florissant, MO 63033
(618) 310-8662
Map of Great Circle Edgewood Children's Center
Gr: 1-12 | 66 students
Special Education School
330 N. Gore
Saint Louis, MO 63119
(314) 399-4393
Map of Heartland Christian School
Gr: K-12 | 113 students
Avg. class size: 10 students
Baptist
810 S Cedar Street
Belton, MO 64012
(816) 331-1000
Map of High SchoolF Epstein Hebrew Academy
Gr: K-12 | 122 students
Avg. class size: 15 students
Jewish
1138 N Warson Rd
Saint Louis, MO 63132
(314) 994-6856
Map of Highlands Academy
Gr: 10-12 | 16 students
All-girls (Christian)
5506 Cambridge Ave
Kansas City, MO 64129
(816) 924-6565
(1)
Map of Logos School
Gr: 6-12 | 113 students
Special Education School
9137 Old Bonhomme Rd
Saint Louis, MO 63132
(314) 997-7002
Lutheran High School Of Kansas City Photo
Gr: 9-12 | 110 students
Avg. class size: 15 students
Sports: 9 | Extracurriculars: 13
Lutheran Church Missouri Synod
12411 Wornall Rd
Kansas City, MO 64145
(816) 241-5478
(2)
Show 7 more private schools in Missouri (out of 42 total schools)
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Frequently Asked Questions

What are the top ranked private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Missouri?
The top ranked private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Missouri include Rockhurst High School, Christian Brothers College High School, and Missouri Military Academy.
How many private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Missouri?
42 private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are located in Missouri.
How much do private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) cost in Missouri?
The average tuition cost is $15,776, which is higher than the Missouri private school average tuition cost of $14,282.
How diverse are private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Missouri?
Missouri private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are approximately 22% minority students, which is lower than the Missouri private school average of 23%.
What percentage of private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) are religiously affiliated in Missouri?
83% of private high schools belonging to Cognia (formerly AdvancED / SACS CASI / NCA CASI) (Cognia) in Missouri are religiously affiliated (most commonly Christian and Catholic).

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