²ÝÁñÉçÇø

²ÝÁñÉçÇø School Review - Established 2003
The Goddard School
Immaculate Conception School
Christian School District Top 25 · Highest Avg. ACT Score (MO)

O Fallon ²ÝÁñÉçÇø Schools (2026-27)

For the 2026-27 school year, there are 13 private schools serving 4,558 students in O Fallon, MO, 25% of all K-12 students in O Fallon, MO are educated in private schools versus (compared to the MO state average of 12%).
The average acceptance rate is 97%, which is higher than the Missouri private school average acceptance rate of 86%.
69% of private schools in O Fallon, MO are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (2026-27)

  • # ²ÝÁñÉçÇø Schools: 13
  • # Students Served: 4,558
  • Average Tuition: $7,369
  • Acceptance Rate: 97%
  • Average Class Size: 17 students
  • % Students of Color: 7%
  • View O Fallon, MO School Trends

Quick Facts (2026-27)

  • # ²ÝÁñÉçÇø Schools: 13
  • # Students Served: 4,558
  • Average Tuition: $7,369
  • Acceptance Rate: 97%
  • Average Class Size: 17 students
  • % Students of Color: 7%
  • View O Fallon, MO School Trends

Top Ranked O Fallon ²ÝÁñÉçÇø Schools (2026-27)

Assumption School Photo
Assumption School
Gr: PK-8 | 431 students
Avg. class size: 20 students
Sports: 5 | Extracurriculars: 9
Catholic
203 W 3rd St
O Fallon, MO 63366
(636) 240-4474
View Profile
Christian School District Photo
Christian School District
Gr: PK-12 | 546 students
Avg. class size: 15 students
Sports: 15
Christian
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
View Profile
Map of First Baptist Christian Academy
First Baptist Christian Academy
Gr: PK-6 | 277 students
Avg. class size: 13 students
Baptist
8750 Veterans Memorial Pkwy
O Fallon, MO 63366
(636) 272-3220
(2)
View Profile
Immaculate Conception School Photo
Immaculate Conception School
Gr: PK-8 | 877 students
Sports: 4 | Extracurriculars: 16
Catholic
2089 Hanley Road
O Fallon, MO 63368
(636) 561-4450
View Profile
OakHaven Montessori School Photo
OakHaven Montessori School
Gr: PK-6 | 94 students
Avg. class size: 25 students
Sports: 3 | Extracurriculars: 6
Montessori School
7267 Highway N
O Fallon, MO 63368
(636) 978-4440
View Profile
Map of St. Charles Christian Home Educators
St. Charles Christian Home Educators
Gr: K-12 | 366 students
Avg. class size: 10 students
Extracurriculars: 2
Specialized Curriculum (Christian)
709 Crestview Drive
O Fallon, MO 63366
(636) 240-4412
View Profile
Map of St. Dominic High School
St. Dominic High School
Gr: 9-12 | 927 students
Avg. class size: 24 students
Sports: 14 | Extracurriculars: 6
Catholic
31 Saint Dominic Dr
O Fallon, MO 63366
(636) 240-8303
View Profile
Veritas Christian Academy Photo
Veritas Christian Academy
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
View Profile
Map of Future Apostle Academy
Future Apostle Academy
Gr: PK-9 | 12 students
563 Springhurst Pkwy
O Fallon, MO 63368
(636) 249-6455
View Profile
The Goddard School Photo
The Goddard School
Gr: PK-K | 44 students
Daycare / Preschool
9008 Phoenix Parkway
O Fallon, MO 63368
(636) 561-8559
View Profile
Map of Kid's Academy
Kid's Academy
Gr: 5-8
Daycare / Preschool
7767 Highway N
O Fallon, MO 63366
(636) 561-8697
View Profile
St. Paul Continuation School Photo
St. Paul Continuation School
Gr: PK-8 | 270 students
Catholic
1235 Church Rd
O Fallon, MO 63366
(636) 978-1900
View Profile
Map of Wonder Years
Wonder Years
Gr: K | 50 students
Daycare / Preschool
7104 Twin Chimneys Blvd
O Fallon, MO 63368
(636) 978-3240
View Profile

O Fallon, MO ²ÝÁñÉçÇø School Trends (10-Year)

13
²ÝÁñÉçÇø Schools
+44.4% (+4 schools) 10-yr
4,558
Students
+94.9% (+2,219 students) 10-yr
$7,369
Avg. Tuition
-15.4% (-$1,337) 10-yr
17
Avg. Class Size
+21.4% (+3 students) 10-yr
7%
Students of Color
+40.0% (+2.0 pp) 10-yr
17:1
Student-Teacher Ratio
+21.4% (+3.0) 10-yr
Download town snapshot: CSV | XML | JSON Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission.
Enrollment & Diversity
Category
This Town (O Fallon)
This State (MO)
# Schools
13 Schools
663 Schools

Trends in Total Number of ²ÝÁñÉçÇø Schools

YearO Fallon, MO Total Schools
202513
202414
202312
202212
202112
202012
201912
201812
201712
20159
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# Students
4,558 Students
119,555 Students

Trends in the Average Number of Students Per ²ÝÁñÉçÇø School

YearO Fallon, MO AvgMissouri (MO)National
2025382194179
2024381190172
2023344185174
2022334196185
2021326192180
2020360183171
2019393184175
2018424183172
2017420190180
2015292180167
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% Students of Color
7%
21%

Percentage of Students of Color Trends (2015-2025)

YearO Fallon, MO AvgMissouri (MO)National
20257%20%34%
20247%21%34%
20239%20%33%
20228%18%33%
20216%18%32%
20204%19%32%
20196%18%31%
20183%18%31%
201720%21%32%
20155%20%32%
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0.46
0.55

Diversity Score Trends

YearO Fallon, MO AvgMissouri (MO)National
20250.460.550.65
20240.460.560.65
20230.460.540.65
20220.390.520.64
20210.320.520.64
20200.330.520.64
20190.400.500.63
20180.400.500.63
20170.420.460.61
20150.510.450.61
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Show more data/charts: racial breakdown
# American Indian Students
29 Students
283 Students
% American Indian Students
1%
n/a
# Asian Students
45 Students
3,147 Students
% Asian Students
1%
3%

Asian Student Percentage Trends

YearO Fallon, MO AvgMissouri (MO)National
20251%4%5%
20241%4%5%
20232%3%5%
20221%4%4%
20211%3%4%
20201%3%4%
20191%3%4%
20181%3%4%
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# Hispanic Students
73 Students
5,325 Students
% Hispanic Students
2%
5%

Hispanic Student Percentage Trends

YearO Fallon, MO AvgMissouri (MO)National
20252%5%9%
20242%4%9%
20231%3%9%
20221%3%8%
20211%3%9%
20201%3%9%
20191%3%8%
20181%3%8%
20172%2%8%
20152%2%8%
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# Black Students
53 Students
7,603 Students
% Black Students
1%
7%

Black Student Percentage Trends

YearO Fallon, MO AvgMissouri (MO)National
20251%6%7%
20241%7%7%
20231%7%8%
20221%6%7%
20211%7%7%
20201%7%8%
20191%7%7%
20181%7%7%
20171%7%7%
20151%7%8%
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# White Students
2,846 Students
73,073 Students
% White Students
69%
62%

White Student Percentage Trends

YearO Fallon, MO AvgMissouri (MO)National
202569%62%52%
202469%62%52%
202369%64%52%
202275%66%54%
202181%66%54%
202080%66%54%
201974%68%56%
201874%68%56%
201771%71%58%
201559%72%58%
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# Hawaiian Students
10 Students
218 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
1,071 Students
27,521 Students
% of Others Students
26%
23%

Other Races Student Percentage Trends

YearO Fallon, MO AvgMissouri (MO)National
202526%23%26%
202426%23%26%
202327%23%25%
202222%21%25%
202116%21%25%
202017%21%24%
201923%19%24%
201823%19%23%
201726%18%22%
201538%16%21%
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All Ethnic Groups
Academics
# Teachers
297 Teachers
9,942 Teachers
Average Student-Teacher Ratio
17:1
12:1

Student-Teacher Ratio Trends (2015-2025)

YearO Fallon, MO AvgMissouri (MO)National
202518:112:111:1
202418:112:111:1
202315:113:111:1
202214:113:111:1
202115:113:111:1
202016:113:112:1
201914:112:112:1
201814:113:112:1
201715:112:112:1
201514:112:112:1
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% Average Faculty w/Advanced Degree
63%
56%

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

YearO Fallon, MO AvgMissouri (MO)National
202563%56%55%
202463%55%54%
202369%55%54%
202263%55%54%
202166%55%54%
202075%56%54%
201966%54%53%
201866%53%53%
201766%53%53%
201566%50%52%
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Average Class Size
17 students
16 students

Class Size Trends (2015-2025)

YearO Fallon, MO AvgMissouri (MO)National
2025171615
2024171515
2023171515
2022161515
2021171515
2020171515
2019181515
2018171515
2017171515
2015141515
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Average Number of AP Courses
8 courses
15 courses

Trends in Average Number of AP Courses Offered

YearO Fallon, MO AvgMissouri (MO)National
202581513
202491412
2023111311
202291411
2021111511
2020111511
201991411
2018111311
2017111310
201571010
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Average ACT score
25
(Out of 36)
26

ACT Score Trends (2015-2025)

YearO Fallon, MO AvgMissouri (MO)National
2025252626
2024252626
2023242626
2022242626
2021252626
2020252625
2019252625
2018252625
2017252625
2015262525
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Tuition & Aid
Average Yearly Tuition Cost
$7,369
$12,905

Tuition Cost Trends (2015-2025)

YearO Fallon, MO AvgMissouri (MO)National
2025$7,369$13,089$15,012
2024$7,369$11,380$13,254
2023$7,233$10,498$12,626
2022$6,743$10,411$12,187
2021$6,743$10,172$11,800
2020$5,924$10,089$11,512
2019$5,924$9,711$11,293
2018$5,924$9,659$11,017
2017$5,924$9,528$10,708
2015$8,706$9,126$9,939
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Average % on Financial Aid
28%
36%

Percent on Financial Aid Trends (2015-2025)

YearO Fallon, MO AvgMissouri (MO)National
202528%36%34%
202428%36%34%
202326%36%34%
202228%35%33%
202130%35%33%
201542%34%28%
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Average Financial Aid Grant
$1,115
$5,896

Financial Aid Grant Trends (2021-2025)

YearO Fallon, MO AvgMissouri (MO)National
2025$1,115$6,130$7,073
2024$1,115$6,030$6,930
2023$2,200$4,774$6,469
2022$1,115$4,778$6,289
2021$30$7,188$6,055
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Average Endowment Size
$50 million
$24.88 million
Admissions & Athletics
Average Acceptance Rate
97%
86%

Acceptance Rate Trends (2015-2025)

YearO Fallon, MO AvgMissouri (MO)National
202597%85%81%
202497%89%85%
202397%89%85%
202296%88%85%
202197%88%85%
202098%88%85%
201997%87%85%
201897%88%85%
201797%88%85%
201597%89%85%
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Average Number of Extracurriculars
9 extracurriculars
10 extracurriculars
Average Number of Sports
9 sports
7 sports

Frequently Asked Questions

What are the top ranked private schools in O Fallon, MO?
The top ranked private schools in O Fallon, MO include Christian School District, OakHaven Montessori School, and Immaculate Conception School.
How many private schools are located in O Fallon?
13 private schools are located in O Fallon.
How diverse are private schools in O Fallon?
O Fallon private schools are approximately 7% minority students, which is lower than the Missouri private school average of 21%.
What percentage of students in O Fallon go to private school?
25% of all K-12 students in O Fallon are educated in private schools (compared to the MO state average of 12%).
What percentage of private schools are religiously affiliated in O Fallon?
69% of private schools in O Fallon are religiously affiliated (most commonly Catholic and Christian).

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