St. Dominic High School
under 1 mi Grades 9-12 1,087 students 16.7 students per teacher Roman Catholic
Catholic schools in O'Fallon, MO
15 within 12 miles. Parochial, diocesan and independent Catholic schools.
Grades PreK-8 374 students 13.7 students per teacher Roman Catholic
Grades PreK-8 715 students 19.2 students per teacher Roman Catholic
Grades PreK-8 222 students 19.1 students per teacher Roman Catholic
Grades PreK-8 79 students 9 students per teacher Roman Catholic
All Saints School
5 mi Grades PreK-8 125 students 7.1 students per teacher Roman Catholic
St. Joseph School
6 mi Grades PreK-8 891 students 19.8 students per teacher Roman Catholic
St. Patrick School
7 mi Grades PreK-8 436 students 16.5 students per teacher Roman Catholic
Grades PreK-8 155 students 11.9 students per teacher Roman Catholic
St. Theodore School
8 mi Grades PreK-8 260 students 15.5 students per teacher Roman Catholic
Grades PreK-8 220 students 15.1 students per teacher Roman Catholic
Grades PreK-8 248 students 16.4 students per teacher Roman Catholic
St. Cletus School
10 mi Grades PreK-8 176 students 9.5 students per teacher Roman Catholic
Grades PreK-12 176 students 7 students per teacher Roman Catholic
Duchesne High School
12 mi Grades 9-12 225 students 8.2 students per teacher Roman Catholic
On the state’s official list Other private schools
Keep looking
- All private schools near O'Fallon
- Christian schools in O'Fallon
- Montessori schools in O'Fallon
- Catholic schools in Lake Saint Louis (4 mi)
- Catholic schools in Saint Peters (5 mi)
- Catholic schools in Wentzville (6 mi)
- Catholic schools in Saint Charles (10 mi)
- Catholic schools in Chesterfield (14 mi)
- Catholic schools in Wildwood (15 mi)
- Catholic schools in Ellisville (17 mi)
- Catholic schools in Troy (17 mi)
- Catholic schools across Missouri
What Missouri pays
MOScholars Tax-credit scholarship
A scholarship set each year by the State Treasurer We could not verify the 2026-27 per-student figure and will not guess it.
Figures read from each program’s official pages, 2026-09-20. Sources and how to apply
Get one email when applications open
Most programs open once a year, and several ran out of money or seats in 2026. Pick your state (you are looking at O'Fallon) and we will email you the day the next window opens, with the official link. That is the only email you get.
One email per application window. No calls, no sharing your details.