Private School Review - Established 2003
Academy Of Saint Louis
Immanuel Lutheran School-Wentzville
Living Water Academy

Best Missouri Private Schools

For the 2026-27 school year, there are 664 private schools serving 119,672 students in Missouri, versus 2,455 public schools serving 884,634 students (12% of K-12 students attend private schools, vs. national average 10%).
The average private school tuition is $11,074 for elementary schools and $14,229 for high schools (view national tuition averages).
73% of schools are religiously affiliated, with most being Catholic or Christian.

Quick Facts (26-27)

  • # Private Schools: 664
  • # Students Served: 119,672
  • Average Tuition: $11,351
  • % Students on Financial Aid: 36%
  • Acceptance Rate: 87%
  • Average Class Size: 16 students
  • % Students of Color: 21%
  • View Missouri School Trends

Quick Facts (26-27)

  • # Private Schools: 664
  • # Students Served: 119,672
  • Average Tuition: $11,351
  • % Students on Financial Aid: 36%
  • Acceptance Rate: 87%
  • Average Class Size: 16 students
  • % Students of Color: 21%
  • View Missouri School Trends

Top Ranked Missouri Private Schools (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)
View Profile
Immanuel Lutheran School-Wentzville Photo
Immanuel Lutheran School-Wentzville
Gr: NS-8 | 548 students
Avg. class size: 22 students
Sports: 7 | Extracurriculars: 5
Lutheran Church Missouri Synod
632 E Hwy N
Wentzville, MO 63385
(636) 639-9887
(3)
View Profile
Living Water Academy Photo
Living Water Academy
Gr: NS-12 | 377 students
Avg. class size: 20 students
Sports: 3 | Extracurriculars: 3
Christian
17780 Mueller Road
Wildwood, MO 63038
(636) 324-7220
(2)
View Profile
Outreach Christian Education Photo
Outreach Christian Education
Gr: PK-12 | 279 students
Avg. class size: 10 students
Sports: 11 | Extracurriculars: 5
Christian
2900 NE Cates Street
Kansas City, MO 64117
(816) 455-5575
View Profile
St. Louis University High School Photo
St. Louis University High School
Gr: 9-12 | 1,000 students
Avg. class size: 250 students
Sports: 21 | Extracurriculars: 109
All-boys (Catholic)
4970 Oakland Ave
Saint Louis, MO 63110
(314) 531-0330
(1)
View Profile
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)
View Profile
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)
View Profile
All Saints School Photo
All Saints School
Gr: PK-8 | 210 students
Avg. class size: 15 students
Sports: 6 | Extracurriculars: 9
Catholic
5 Mcmenamy Rd
Saint Peters, MO 63376
(636) 397-1440
(2)
View Profile
Alpha Montessori School Photo
Alpha Montessori School
Gr: PK-K | 55 students
Avg. class size: 12 students
Montessori School
11430 Wornall Rd
Kansas City, MO 64114
(816) 942-5567
(4)
View Profile
Apprende Private School Photo
Apprende Private School
Gr: PK-12 | 17 students
436B Valley School Drive
Valley Park, MO 63088
(636) 225-5485
(3)
View Profile
Show 10 more private schools in Missouri (out of 663 total schools)
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Missouri Private School Trends (10-Year)

664
Private Schools
-5.3% (-37 schools) 10-yr
119,672
Students
+0.8% (+936 students) 10-yr
$11,351
Avg. Tuition
+24.4% (+$2,225) 10-yr
16
Avg. Class Size
+6.7% (+1 student) 10-yr
21%
Students of Color
+5.0% (+1.0 pp) 10-yr
12:1
Student-Teacher Ratio
Enrollment & Diversity
Category
This State (MO)
US
# Schools
664 Schools
671 Schools
avg. per state

Trends in Total Number of Private Schools

YearMissouri (MO) TotalUS Avg per State
2025664671
2024695703
2023673665
2022624612
2021666637
2020715684
2019689665
2018700677
2017657631
2016662644
2015701683
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# Students
119,672 Students
111,494 Students
avg. per state

View Largest Missouri Private Schools

Trends in Total Number of Private School Students

YearMissouri (MO) TotalUS Avg per State
2025120,053111,945
2024123,998113,628
2023116,132108,484
2022113,268104,892
2021119,292106,817
2020123,314109,411
2019118,967108,956
2018120,349109,868
2017117,718106,255
2016117,417107,443
2015118,736108,505
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Average School Size
196 Students
179 Students

Trends in Average School Size

YearMissouri (MO) AvgNational
2025194179
2024190172
2023185174
2022196185
2021192180
2020183171
2019184175
2018183172
2017190180
2016188178
2015180167
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% Average Students of Color
21%
34%

Percentage of Students of Color Trends (2015-2025)

YearMissouri (MO) AvgNational
202520%34%
202421%34%
202320%33%
202218%33%
202118%32%
202019%32%
201918%31%
201818%31%
201721%32%
201621%32%
201520%32%
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Student By Grade

Distribution of Students By Grade Trends

GradeMissouri
Nursey2,711
Pre-K14,961
Kind8,499
17,417
27,094
37,243
47,241
57,844
67,373
77,865
87,859
99,394
107,948
117,871
127,478
Not Listed874
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Academics
# Teachers
9,962 Teachers
508,622 Teachers
Average Student-Teacher Ratio
12:1
11:1

Student-Teacher Ratio Trends (2015-2025)

YearMissouri (MO) AvgNational
202512:111:1
202412:111:1
202313:111:1
202213:111:1
202113:111:1
202013:112:1
201912:112:1
201813:112:1
201712:112:1
201612:112:1
201512:112:1
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% Average Faculty w/Advanced Degree
56%
55%

View Missouri Private Schools with the Most Educated Faculty

Percentage of Faculty With Advanced Degrees Trends (2015-2025)

YearMissouri (MO) AvgNational
202556%55%
202455%54%
202355%54%
202255%54%
202155%54%
202056%54%
201954%53%
201853%53%
201753%53%
201651%52%
201550%52%
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Average Class Size
16 students
16 students

Class Size Trends (2015-2025)

YearMissouri (MO) AvgNational
20251615
20241515
20231515
20221515
20211515
20201515
20191515
20181515
20171515
20161515
20151515
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Average Number of AP Courses
15 courses
13 courses

View Missouri Private Schools Offering the Most AP Courses

Trends in Average Number of AP Courses Offered

YearMissouri (MO) AvgNational
20251513
20241412
20231311
20221411
20211511
20201511
20191411
20181311
20171310
20161210
20151010
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Average SAT score
1291
(Out of 1600)
1234

View Average Private School SAT Scores in Missouri

SAT Score Trends (2017-2025)

YearMissouri (MO) AvgNational
202512911233
202412911230
202312901228
202212971229
202113061229
202013061226
201913111226
201812831226
201713161233
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Average ACT score
26
(Out of 36)
26

View Average Private School ACT Scores in Missouri

ACT Score Trends (2015-2025)

YearMissouri (MO) AvgNational
20252626
20242626
20232626
20222626
20212626
20202625
20192625
20182625
20172625
20162525
20152525
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Tuition & Aid
Average Yearly Tuition Cost
$11,351
$13,769

View Missouri Private Schools By Tuition Cost

Tuition Cost Trends (2015-2025)

YearMissouri (MO) AvgNational
2025$13,089$15,012
2024$11,380$13,254
2023$10,498$12,626
2022$10,411$12,187
2021$10,172$11,800
2020$10,089$11,512
2019$9,711$11,293
2018$9,659$11,017
2017$9,528$10,708
2016$8,608$10,356
2015$9,126$9,939
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Average Summer Program Cost
$728
$1,158

Summer Program Cost Trends (2019-2025)

YearMissouri (MO) AvgNational
2025$288$1,152
2024$301$1,128
2023$375$1,156
2022$366$1,102
2021$401$1,125
2020$392$1,217
2019$317$1,305
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Average % on Financial Aid
36%
35%

Percent on Financial Aid Trends (2015-2025)

YearMissouri (MO) AvgNational
202536%34%
202436%34%
202336%34%
202235%33%
202135%33%
202034%32%
201933%31%
201833%30%
201732%30%
201633%29%
201534%28%
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Average Financial Aid Grant
$5,716
$7,285

Financial Aid Grant Trends (2015-2025)

YearMissouri (MO) AvgNational
2025$6,130$7,073
2024$6,030$6,930
2023$4,774$6,469
2022$4,778$6,289
2021$7,188$6,055
2020$7,387$5,921
2019$7,583$5,795
2018$7,540$5,456
2017$7,202$5,319
2016$7,471$5,105
2015$8,065$5,030
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Average Acceptance Rate
87%
85%

View Most Selective Private Schools in Missouri

Acceptance Rate Trends (2015-2025)

YearMissouri (MO) AvgNational
202585%81%
202489%85%
202389%85%
202288%85%
202188%85%
202088%85%
201987%85%
201888%85%
201788%85%
201689%85%
201589%85%
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Average Endowment Size
$12.32 million
$31.44 million
Students by Ethnicity
0.55
0.65

View Missouri Private Schools Minority Statistics

Diversity Score Trends

YearMissouri (MO) AvgNational
20250.550.65
20240.560.65
20230.540.65
20220.520.64
20210.520.64
20200.520.64
20190.500.63
20180.500.63
20170.460.61
20160.460.61
20150.450.61
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# American Indian Students
283 Students
29,812 Students
% American Indian Students
n/a
1%
# Asian Students
3,147 Students
264,417 Students
% Asian Students
3%
5%

Asian Student Percentage Trends

YearMissouri (MO) AvgNational
20254%5%
20244%5%
20233%5%
20224%4%
20213%4%
20203%4%
20193%4%
20183%4%
20172%4%
20163%4%
20153%4%
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# Hispanic Students
5,325 Students
506,604 Students
% Hispanic Students
5%
9%

Hispanic Student Percentage Trends

YearMissouri (MO) AvgNational
20255%9%
20244%9%
20233%9%
20223%8%
20213%9%
20203%9%
20193%8%
20183%8%
20172%8%
20162%8%
20152%8%
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# Black Students
7,603 Students
415,581 Students
% Black Students
6%
7%

Black Student Percentage Trends

YearMissouri (MO) AvgNational
20256%7%
20247%7%
20237%8%
20226%7%
20217%7%
20207%8%
20197%7%
20187%7%
20177%7%
20167%7%
20157%8%
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# White Students
73,073 Students
2,927,695 Students
% White Students
62%
52%

White Student Percentage Trends

YearMissouri (MO) AvgNational
202562%52%
202462%52%
202364%52%
202266%54%
202166%54%
202066%54%
201968%56%
201868%56%
201771%58%
201671%58%
201572%58%
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# Hawaiian Students
218 Students
20,065 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
27,609 Students
1,473,095 Students
% of Others Students
24%
26%

Other Races Student Percentage Trends

YearMissouri (MO) AvgNational
202523%26%
202423%26%
202323%25%
202221%25%
202121%25%
202021%24%
201919%24%
201819%23%
201718%22%
201617%22%
201516%21%
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All Ethnic Groups
Extracurriculars & Sports
Average Number of Extracurriculars
10 extracurriculars
9 extracurriculars
Average Number of Sports
7 sports
7 sports
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Frequently Asked Questions

What are the top ranked private schools in Missouri?
The top-ranked private schools in Missouri include St. Louis University High School, Christian Brothers College High School, and Barstow School.
How many private schools are located in Missouri?
There are 664 private schools are located in Missouri.
How much do private schools cost in Missouri?
The average private school tuition in Missouri is $11,074 for elementary schools and $14,229 for high schools
How diverse are private schools in Missouri?
Approximately 21% of students in Missouri private schools are minority students (compared to the national percentage).
What percentage of students in Missouri go to private school?
12% of all K-12 students in Missouri attend private schools (compared to the national average of 10%).
What percentage of private schools are religiously affiliated in Missouri?
73% of private schools in Missouri are religiously affiliated, with most being Catholic or Christian.
Which private schools in Missouri are often viewed compared to one another?

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