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Forsyth School

Best Missouri Private Schools Belonging to National Association of Independent Schools (NAIS)

For the 2026-27 school year, there are 36 private schools belonging to National Association of Independent Schools (NAIS) serving 12,936 students in Missouri. You can also find more schools membership associations in Missouri.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Missouri include MICDS (Mary Institute and St. Louis Country Day School), Visitation Academy Of St. Louis, and Chaminade College Prep School.
The average tuition cost is $26,240, which is higher than the Missouri private school average tuition cost of $11,335.
42% of private schools belonging to National Association of Independent Schools (NAIS) in Missouri are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (26-27)

  • # Private Schools: 36

Quick Facts (26-27)

  • # Private Schools: 36

Top Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Missouri (2026-27)

Forsyth School Photo
Forsyth School
Gr: NS-6 | 393 students
Avg. class size: 14 students
Sports: 5 | Extracurriculars: 4
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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Map of The Barstow School
The Barstow School
Gr: K-12 | 861 students
Avg. class size: 10 students
Sports: 11
Specialized Curriculum (Catholic)
11511 State Line
Kansas City, MO 64114
(816) 277-0365
(1)
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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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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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Crossroads College Preparatory School Photo
Crossroads College Preparatory School
Gr: 7-12 | 147 students
Avg. class size: 9 students
Sports: 7 | Extracurriculars: 5
500 DeBaliviere Avenue
Saint Louis, MO 63112
(314) 367-8085
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John Burroughs School Photo
John Burroughs School
Gr: 7-12 | 664 students
Avg. class size: 13 students
Sports: 19
755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
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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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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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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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Principia School Photo
Principia School
Gr: PK-12 | 477 students
Avg. class size: 14 students
Sports: 14 | Extracurriculars: 13
13201 Clayton Rd
Saint Louis, MO 63131
(314) 434-2100
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Rockhurst High School Photo
Rockhurst High School
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
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St. Joseph Christian School Photo
St. Joseph Christian School
Gr: PK-12 | 434 students
Avg. class size: 21 students
Sports: 8 | Extracurriculars: 10
Christian
5401 Gene Field Road
Saint Joseph, MO 64506
(816) 279-1555
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Frequently Asked Questions

What are the top ranked private schools belonging to National Association of Independent Schools (NAIS) in Missouri?
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Missouri include MICDS (Mary Institute and St. Louis Country Day School), Visitation Academy Of St. Louis, and Chaminade College Prep School.
How many private schools belonging to National Association of Independent Schools (NAIS) are located in Missouri?
36 private schools belonging to National Association of Independent Schools (NAIS) are located in Missouri.
How much do private schools belonging to National Association of Independent Schools (NAIS) cost in Missouri?
The average tuition cost is $26,240, which is higher than the Missouri private school average tuition cost of $11,335.
How diverse are private schools belonging to National Association of Independent Schools (NAIS) in Missouri?
Missouri private schools belonging to National Association of Independent Schools (NAIS) are approximately 31% minority students, which is higher than the Missouri private school average of 21%.
What percentage of private schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in Missouri?
42% of private schools belonging to National Association of Independent Schools (NAIS) in Missouri are religiously affiliated (most commonly Catholic and Christian).
36
Private Schools
12,936
Students
$26,240
Avg. Tuition
31%
Students of Color
8:1
Student-Teacher Ratio

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