Oakhaven Montessori School
under 1 mi Grades PreK-6 34 students 7.9 students per teacher Nonsectarian Montessori Co-ed
Private middle schools in O'Fallon, MO
12 in O'Fallon or within 6 miles. Private schools that teach any of grades 6, 7 or 8, going by the grade span each school gave the 2023-24 federal survey. Many also teach elementary or high school grades.
Affiliation, co-ed or single-sex, association membership and the share of graduates going on to a 4-year college come from the 2023-24 federal Private School Universe survey.
Grades PreK-8 163 students 10.8 students per teacher Baptist Co-ed
Grades PreK-8 715 students 19.2 students per teacher Roman Catholic Co-ed
Andrews Academy
2 mi Grades K-8 123 students 4.7 students per teacher Nonsectarian Co-ed
Grades PreK-8 374 students 13.7 students per teacher Roman Catholic Co-ed
Grades PreK-8 139 students 12.9 students per teacher Lutheran Church (Missouri Synod) Co-ed
Grades PreK-12 596 students 13.4 students per teacher Christian (nondenominational) Co-ed 79% to 4-year college
Lafayette Academy
4 mi Grades K-12 77 students 6.3 students per teacher Nonsectarian Co-ed
St. Joseph School
4 mi Grades PreK-8 891 students 19.8 students per teacher Roman Catholic Co-ed
All Saints School
5 mi Grades PreK-8 125 students 7.1 students per teacher Roman Catholic Co-ed
Grades PreK-8 222 students 19.1 students per teacher Roman Catholic Co-ed
Grades PreK-9 12 students 2 students per teacher Christian (nondenominational) Special program emphasis Co-ed
Private schools
Keep looking
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- Private high schools in O'Fallon
- Private elementary schools in O'Fallon
- Private schools with pre-K in O'Fallon
- Lutheran schools in O'Fallon
- Private middle schools in Lake Saint Louis (3 mi)
- Private middle schools in Saint Peters (6 mi)
- Private middle schools in Wentzville (8 mi)
- Private middle schools in Saint Charles (11 mi)
- Private middle schools in Chesterfield (11 mi)
- Private middle schools in Wildwood (14 mi)
- Private middle schools in Ellisville (15 mi)
- Private middle schools in Ballwin (16 mi)
- Private middle schools across Missouri
What Missouri pays
MOScholars Tax-credit scholarship
Up to $7,145 per student for 2026-27, more for some students The 2026-27 maximum is $7,145 for most students, up to $8,931 for students eligible for free or reduced lunch, $11,432 for English learners and $12,504 for students with an IEP. These are ceilings: assistance organizations may award less, and the average award in 2025-26 was $6,831.
Figures read from each program’s official pages, October 2, 2026. 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.