Private School Review - Established 2003
The Fulton School Top 8 · Highest Avg. SAT Score (MO)
Thomas Jefferson Independent Day School Top 7 · Highest Avg. ACT Score (MO)
The Whitfield School Top 5 · Largest Endowment (MO)

Best Missouri Private Schools Belonging to Independent Schools Association of the Central States (ISACS)

For the 2026-27 school year, there are 35 private schools belonging to Independent Schools Association of the Central States (ISACS) serving 11,434 students in Missouri. You can also find more schools membership associations in Missouri.
The top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri include MICDS (Mary Institute and St. Louis Country Day School), Pembroke Hill School, and Thomas Jefferson School.
The average tuition cost is $24,997, which is higher than the Missouri private school average tuition cost of $11,351.
29% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri are religiously affiliated (most commonly Catholic and Episcopal).

Quick Facts (26-27)

  • # Private Schools: 35

Quick Facts (26-27)

  • # Private Schools: 35

Top Ranked Private Schools Belonging to Independent Schools Association of the Central States (ISACS) in Missouri (2026-27)

Forsyth School Photo
Forsyth School
Gr: NS-6 | 393 students
Avg. class size: 14 students
Sports: 5 | Extracurriculars: 5
6235 Wydown Boulevard
Saint Louis, MO 63105
(314) 726-4542
(5)
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St. Paul's Episcopal Day School Photo
St. Paul's Episcopal Day School
Gr: PK-8 | 498 students
Avg. class size: 40 students
Sports: 4 | Extracurriculars: 7
Episcopal
4041 Main St
Kansas City, MO 64111
(816) 931-8614
(10)
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The College School Photo
The College School
Gr: PK-8
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 15
Alternative School
7825 Big Bend Blvd.
Saint Louis, MO 63119
(314) 962-9355
(9)
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Academy Of The Sacred Heart Photo
Academy Of The Sacred Heart
Gr: K-8 | 195 students
Avg. class size: 13 students
Sports: 5 | Extracurriculars: 5
Catholic
619 N 2nd St
Saint Charles, MO 63301
(636) 946-6127
(9)
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Chaminade College Prep School Photo
Chaminade College Prep School
Gr: 6-12 | 836 students
Avg. class size: 17 students
Sports: 20 | Extracurriculars: 31
All-boys (Catholic)
425 S. Lindbergh Blvd
Saint Louis, MO 63131
(314) 993-4400
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Chesterfield Day School Photo
Chesterfield Day School
Gr: K-5 | 62 students
Avg. class size: 8 students
Sports: 10 | Extracurriculars: 6
Montessori School
1100 White Road
Chesterfield, MO 63017
(314) 469-9622
(6)
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Chesterfield Montessori School Photo
Chesterfield Montessori School
Gr: NS-8
Avg. class size: 24 students
Extracurriculars: 11
Montessori School
14000 Ladue Road
Chesterfield, MO 63017
(314) 469-7150
(7)
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Churchill Center & School Photo
Churchill Center & School
Gr: 2-8 | 155 students
Avg. class size: 9 students
Specialized Curriculum
1021 Municipal Center Dr
Saint Louis, MO 63131
(314) 997-4343
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City Academy Photo
City Academy
Gr: PK-6 | 242 students
Avg. class size: 14 students
Sports: 2 | Extracurriculars: 8
4175 N Kingshighway Blvd
Saint Louis, MO 63115
(314) 382-0085
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Columbia Independent School Photo
Columbia Independent School
Gr: PK-12 | 476 students
Avg. class size: 16 students
Sports: 9 | Extracurriculars: 24
1801 N Stadium Blvd
Columbia, MO 65202
(573) 777-9250
(3)
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Community School Photo
Community School
Gr: PK-6 | 350 students
Avg. class size: 20 students
Sports: 3
900 Lay Road
Saint Louis, MO 63124
(314) 991-0005
(6)
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Map of MAP St. Louis
MAP St. Louis
Gr: 7-12
Avg. class size: 8 students
Montessori School
3840 Washington Blvd.
Saint Louis, MO 63108
(314) 391-2994
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MICDS (Mary Institute and St. Louis Country Day School) Photo
MICDS (Mary Institute and St. Louis Country Day School)
Gr: PK-12 | 1,236 students
Avg. class size: 16 students
Sports: 20 | Extracurriculars: 3
101 North Warson Road
Saint Louis, MO 63124
(314) 995-7367
(3)
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Miriam School and Learning Center Photo
Miriam School and Learning Center
Gr: K-12
Avg. class size: 10 students
Sports: 2 | Extracurriculars: 14
Special Education School
1138 N. Warson Road
Saint Louis, MO 63132
(314) 962-6059
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Missouri Military Academy Photo
Missouri Military Academy
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)
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New City School Photo
New City School
Gr: NS-6 | 296 students
Avg. class size: 12 students
Sports: 5 | Extracurriculars: 6
Specialized Curriculum
5209 Waterman Blvd
Saint Louis, MO 63108
(314) 361-6411
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Notre Dame De Sion Grade School Photo
Notre Dame De Sion Grade School
Gr: PK-8 | 310 students
Avg. class size: 15 students
Sports: 4 | Extracurriculars: 6
Catholic
3823 Locust Street
Kansas City, MO 64109
(816) 683-7063
(2)
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Notre Dame de Sion High School Photo
Notre Dame de Sion High School
Gr: 9-12 | 311 students
Avg. class size: 16 students
Sports: 15 | Extracurriculars: 18
Catholic
10631 Wornall Road
Kansas City, MO 64114
(816) 942-3282
(3)
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Oakhill Day School Photo
Oakhill Day School
Gr: PK-8 | 429 students
Avg. class size: 13 students
Sports: 4 | Extracurriculars: 9
7019 North Cherry Street
Kansas City, MO 64118
(816) 436-6228
(1)
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Pembroke Hill School Photo
Pembroke Hill School
Gr: NS-12 | 1,181 students
Avg. class size: 16 students
Sports: 17 | Extracurriculars: 60
400 W 51st St
Kansas City, MO 64112
(816) 936-1200
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The Summit Preparatory School Photo
The Summit Preparatory School
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)
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Thomas Jefferson Independent Day School Photo
Thomas Jefferson Independent Day School
Gr: PK-12 | 312 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 13
3401 Newman Rd
Joplin, MO 64801
(417) 781-5124
(1)
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Thomas Jefferson School Photo
Thomas Jefferson School
Gr: 7-12 | 75 students
Avg. class size: 14 students
Sports: 4 | Extracurriculars: 34
Specialized Curriculum
4100 S Lindbergh Boulevard
Saint Louis, MO 63127
(314) 843-4151
(1)
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Villa Duchesne School Photo
Villa Duchesne School
Gr: PK-12 | 592 students
Avg. class size: 15 students
Sports: 11 | Extracurriculars: 30
All-girls (Catholic)
10801 Conway Road
Saint Louis, MO 63131
(314) 432-2021
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Visitation Academy Of St. Louis Photo
Visitation Academy Of St. Louis
Gr: PK-12 | 615 students
Avg. class size: 14 students
Sports: 12 | Extracurriculars: 47
All-girls (Catholic)
3020 North Ballas Road
Saint Louis, MO 63131
(314) 625-9100
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Westminster Christian Academy Photo
Westminster Christian Academy
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
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The Whitfield School Photo
The Whitfield School
Gr: 6-12 | 405 students
Avg. class size: 12 students
Sports: 19 | Extracurriculars: 30
175 S Mason Rd
Saint Louis, MO 63141
(314) 434-5141
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The Wilson School Photo
The Wilson School
Gr: PK-6 | 170 students
Avg. class size: 18 students
Sports: 3 | Extracurriculars: 10
Daycare / Preschool
400 De Mun Ave
Saint Louis, MO 63105
(314) 725-4999
(5)
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The Fulton School Photo
The Fulton School
Gr: NS-12 | 127 students
Avg. class size: 10 students
Sports: 4 | Extracurriculars: 3
Montessori School
1100 White Road
Chesterfield, MO 63017
(314) 469-6622
(12)
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Map of Great Circle Edgewood Children's Center
Great Circle Edgewood Children's Center
Gr: 1-12 | 66 students
Special Education School
330 N. Gore
Saint Louis, MO 63119
(314) 399-4393
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Map of Logos School
Logos School
Gr: 6-12 | 113 students
Special Education School
9137 Old Bonhomme Rd
Saint Louis, MO 63132
(314) 997-7002
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Rohan Woods School Photo
Rohan Woods School
Gr: NS-6 | 95 students
Avg. class size: 9 students
Sports: 5 | Extracurriculars: 8
1515 Bennett Ave
Saint Louis, MO 63122
(314) 821-6270
(8)
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Rossman School Photo
Rossman School
Gr: PK-6 | 239 students
Avg. class size: 29 students
Sports: 5 | Extracurriculars: 7
12660 Conway Road
Saint Louis, MO 63141
(314) 434-5877
(27)
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Saul Mirowitz Jewish Community School Photo
Saul Mirowitz Jewish Community School
Gr: K-8 | 131 students
Avg. class size: 12 students
Sports: 4
Jewish
348 S Mason Rd
Saint Louis, MO 63141
(314) 576-6177
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The St. Michael School Of Clayton Photo
The St. Michael School Of Clayton
Gr: NS-8 | 156 students
Avg. class size: 13 students
Extracurriculars: 2
Episcopal
6345 Wydown Blvd
Saint Louis, MO 63105
(314) 721-4422
(2)
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Frequently Asked Questions

What are the top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri?
The top ranked private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri include MICDS (Mary Institute and St. Louis Country Day School), Pembroke Hill School, and Thomas Jefferson School.
How many private schools belonging to Independent Schools Association of the Central States (ISACS) are located in Missouri?
35 private schools belonging to Independent Schools Association of the Central States (ISACS) are located in Missouri.
How much do private schools belonging to Independent Schools Association of the Central States (ISACS) cost in Missouri?
The average tuition cost is $24,997, which is higher than the Missouri private school average tuition cost of $11,351.
How diverse are private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri?
Missouri private schools belonging to Independent Schools Association of the Central States (ISACS) are approximately 26% minority students, which is higher than the Missouri private school average of 21%.
What percentage of private schools belonging to Independent Schools Association of the Central States (ISACS) are religiously affiliated in Missouri?
29% of private schools belonging to Independent Schools Association of the Central States (ISACS) in Missouri are religiously affiliated (most commonly Catholic and Episcopal).
35
Private Schools
11,434
Students
$24,997
Avg. Tuition
26%
Students of Color
8:1
Student-Teacher Ratio

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