Immaculate Conception School Photo - Our School Front

Best O Fallon Private Elementary Schools (2025-26)

For the 2025-26 school year, there are 10 private elementary schools serving 3,559 students in O Fallon, MO.
The top ranked private elementary schools in O Fallon, MO include Assumption School, Christian School District, and Immaculate Conception School.
The average acceptance rate is 97%, which is higher than the Missouri private elementary school average acceptance rate of 84%.
80% of private elementary schools in O Fallon, MO are religiously affiliated (most commonly Catholic and Christian).

Top Ranked O Fallon Private Elementary Schools (2025-26)

School
Location
Quick Facts
Assumption School
Assumption School Photo - For 154 years, Assumption School has been a beacon of faith and learning in O'Fallon, and we are proud to continue that tradition with 465+ students enrolled this year in preschool through 8th grade! If you are you looking for a school that combines rigorous academics, cutting-edge technology, and a faith-based education, this is the place to be!
(Catholic)
203 W 3rd St
O Fallon, MO 63366
(636) 240-4474
Gr: PK-8 | 431 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 9 Tuition & acceptance rate listed
Christian School District
Christian School District Photo
(Christian)
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
Gr: PK-12 | 546 students Avg. class size: 15 students Sports: 15 Tuition & acceptance rate listed
First Baptist Christian Academy
(Baptist)
(2)
8750 Veterans Memorial Pkwy
O Fallon, MO 63366
(636) 272-3220
Gr: PK-6 | 277 students Avg. class size: 13 students Tuition & acceptance rate listed
Immaculate Conception School
Immaculate Conception School Photo - Our School Front
(Catholic)
2089 Hanley Road
O Fallon, MO 63368
(636) 561-4450
Gr: PK-8 | 877 students Sports: 4 | Extracurrculars: 16 Tuition listed
OakHaven Montessori School
OakHaven Montessori School Photo
Montessori School
7267 Highway N
O Fallon, MO 63368
(636) 978-4440
Gr: PK-6 | 94 students Avg. class size: 25 students Sports: 3 | Extracurrculars: 6 Tuition listed
St. Charles Christian Home Educators
Special Program Emphasis (Christian)
709 Crestview Drive
O Fallon, MO 63366
(636) 240-4412
Gr: K-12 | 388 students Avg. class size: 7 students Extracurrculars: 2 Tuition listed
Veritas Christian Academy
Veritas Christian Academy Photo
(Christian)
1145 Tom Ginnever Ave
O Fallon, MO 63366
(636) 978-1680
Gr: NS-12 | 664 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 15 Tuition & acceptance rate listed
563 Springhurst Pkwy
O Fallon, MO 63368
(636) 249-6455
Gr: PK-9 | 12 students
Kid's Academy
Daycare / Preschool
7767 Highway N
O Fallon, MO 63366
(636) 561-8697
Gr: 5-8
St. Paul Continuation School
St. Paul Continuation School Photo
(Catholic)
1235 Church Rd
O Fallon, MO 63366
(636) 978-1900
Gr: PK-8 | 270 students Avg. class size: 15 students

Frequently Asked Questions

What are the top ranked private elementary schools in O Fallon, MO?
The top ranked private elementary schools in O Fallon, MO include Assumption School, Christian School District, and Immaculate Conception School.
How many private elementary schools are located in O Fallon?
10 private elementary schools are located in O Fallon.
How diverse are private elementary schools in O Fallon?
O Fallon private elementary schools are approximately 6% minority students, which is lower than the Missouri private school average of 20%.
What percentage of private elementary schools are religiously affiliated in O Fallon?
80% of private elementary schools in O Fallon are religiously affiliated (most commonly Catholic and Christian).

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