Oakhaven Montessori School
under 1 miGrades PreK-634 students7.9 students per teacherNonsectarianMontessoriCo-ed
Private elementary schools in O'Fallon, MO
15 in O'Fallon or within 6 miles; schools in O'Fallon itself count at any distance from downtown. Private schools that teach any grade from kindergarten through 5, going by each school’s grade span in the federal survey (or, for schools new since then, the state’s official list).
Grades PreK-8163 students10.8 students per teacherBaptistCo-ed
Grades PreK-8715 students19.2 students per teacherRoman CatholicCo-ed
Andrews Academy
2 miGrades K-8123 students4.7 students per teacherNonsectarianCo-ed
Grades PreK-KNonsectarianMontessoriCo-ed
Grades PreK-8374 students13.7 students per teacherRoman CatholicCo-ed
Grades PreK-8139 students12.9 students per teacherLutheran Church (Missouri Synod)Co-ed
Grades PreK-12596 students13.4 students per teacherChristian (nondenominational)Co-ed79% to 4-year college
Grades K-1277 students6.3 students per teacherNonsectarianCo-ed
Grades PreK-8891 students19.8 students per teacherRoman CatholicCo-ed
Grades PreK-1Under 10 K-12 studentsNonsectarianSpecial program emphasisCo-ed
Grades PreK-8125 students7.1 students per teacherRoman CatholicCo-ed
Grades PreK-KNonsectarianMontessoriCo-ed
Grades PreK-8222 students19.1 students per teacherRoman CatholicCo-ed
Grades PreK-912 students2 students per teacherChristian (nondenominational)Special program emphasisCo-ed
Private elementary schools near O'Fallon by the numbers
- Where
- 4 in O'Fallon, 11 within 6 miles
- Students
- about 3,472 in all; the typical school has 163
- Smallest and largest
- Future Apostle Academy, 12 students; St. Joseph School, 891 students
- Students per teacher
- 10.8 typical, 2 to 19.8 across 14 schools
- Co-ed or single-sex
- all co-ed
- Association members
- 9, most often the National Catholic Educational Association
- Verified tuition
- Assumption Catholic School $6,940; Christian School District $9,060
- State program
- Tax-credit scholarship, up to $7,145 per student for 2026-27, more for some students
How MOScholars works
- Catholic5
- Christian, not Catholic4
- Nonsectarian6
- Under 502
- 50 to 1494
- 150 to 2992
- 300 to 5992
- 600 or more2
Where these facts come from
- Grades, size, affiliation, co-ed, membership, college-going: NCES Private School Universe Survey 2023-24, downloaded September 20, 2026.
- Award and rules: MOScholars, official page, read October 7, 2026.
- Tuition for 2 schools: each school’s own website, last read October 5, 2026.
Keep looking
- All private schools near O'Fallon
- Christian schools in O'Fallon
- Catholic schools in O'Fallon
- Montessori schools in O'Fallon
- Private high schools in O'Fallon
- Private middle schools in O'Fallon
- Private schools with pre-K in O'Fallon
- Lutheran schools in O'Fallon
- Private elementary schools in Lake Saint Louis (3 mi)
- Private elementary schools in Saint Peters (6 mi)
- Private elementary schools in Wentzville (8 mi)
- Private elementary schools in Saint Charles (11 mi)
- Private elementary schools in Chesterfield (11 mi)
- Private elementary schools in Wildwood (14 mi)
- Private elementary schools in Ellisville (15 mi)
- Private elementary schools in Ballwin (16 mi)
- Private elementary schools across Missouri
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