O Fallon Private 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 public schools (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)

  • # Private 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)

  • # Private 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 Private Schools (2026-27)

Assumption School Photo
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
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
Map of 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)
Immaculate Conception School Photo
Gr: PK-8 | 877 students
Sports: 4 | Extracurriculars: 16
Catholic
2089 Hanley Road
O Fallon, MO 63368
(636) 561-4450
OakHaven Montessori School Photo
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
Map of 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
Map of 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
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
Map of Future Apostle Academy
Gr: PK-9 | 12 students
563 Springhurst Pkwy
O Fallon, MO 63368
(636) 249-6455
The Goddard School Photo
Gr: PK-K | 44 students
Daycare / Preschool
9008 Phoenix Parkway
O Fallon, MO 63368
(636) 561-8559
Map of Kid's Academy
Gr: 5-8
Daycare / Preschool
7767 Highway N
O Fallon, MO 63366
(636) 561-8697
St. Paul Continuation School Photo
Gr: PK-8 | 270 students
Catholic
1235 Church Rd
O Fallon, MO 63366
(636) 978-1900
Map of Wonder Years
Gr: K | 50 students
Daycare / Preschool
7104 Twin Chimneys Blvd
O Fallon, MO 63368
(636) 978-3240

O Fallon, MO Private School Trends (10-Year)

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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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