Photo: Classiv · CC BY-SA 4.0O'Fallon’s public schools outscore 89% of Missouri districts
On the state math tests, 54% of O'Fallon’s students scored proficient, above the Missouri average (39%). The grade covers the two public school districts serving O'Fallon, from kindergarten through graduation, on state tests and graduation. Each state writes its own tests, so this is the one TownRatings grade compared within Missouri, not nationally.
From Missouri state tests taken in spring 2022, when 99% of students in the tested grades sat them, and the class of 2023’s four-year graduation rate, as reported to the U.S. Department of Education.
O'Fallon’s schools, in brief
Against towns with similar incomes
Among the 178 Missouri towns with household incomes within a quarter of O'Fallon’s, its schools beat 77%, lower than their 89% against all the state’s districts. The grade ↓
Above the state on both counts
Reading proficiency is 54% and math 54% across both districts in spring 2022, against 43% and 39% statewide; 94% of the class of 2023 graduated in four years, against 89%. Test scores ↓
Spending and class size
Fort Zumwalt R-II spends $14,783 per student and Wentzville R-IV $13,482, against $14,569 across Missouri (FY2024). Neither counts toward the grade. Districts ↓
Choice beyond the district
St. Dominic High School (private), Christian School District (private), Assumption Catholic School (private) and First Baptist Christian Academy (private) are in town. Every school ↓
Written from the figures on this page. Tests are from 2021–22, graduation from the class of 2023; each school’s own letter uses 2020–21 results.
What’s behind O'Fallon’s grade
A: better than 89% of Missouri school districts, #37 of 247 Missouri towns. Test scores and graduation are both above the Missouri average; test scores are the stronger of the two.
Where will my kid go?
Pick a grade. These are the public schools that serve O'Fallon, with each school’s own grade.
9th grade in O'Fallon · depends on your address
Liberty High School
Grades 9–12 · 1,647 students · 17:1 students per teacher · in Lake St. Louis
FT. Zumwalt West High
Grades 9–12 · 1,643 students · 14:1 students per teacher
FT. Zumwalt North High
Grades 9–12 · 1,538 students · 15:1 students per teacher
10th grade in O'Fallon · depends on your address
Liberty High School
Grades 9–12 · 1,647 students · 17:1 students per teacher · in Lake St. Louis
FT. Zumwalt West High
Grades 9–12 · 1,643 students · 14:1 students per teacher
FT. Zumwalt North High
Grades 9–12 · 1,538 students · 15:1 students per teacher
11th grade in O'Fallon · depends on your address
Liberty High School
Grades 9–12 · 1,647 students · 17:1 students per teacher · in Lake St. Louis
FT. Zumwalt West High
Grades 9–12 · 1,643 students · 14:1 students per teacher
FT. Zumwalt North High
Grades 9–12 · 1,538 students · 15:1 students per teacher
12th grade in O'Fallon · depends on your address
Liberty High School
Grades 9–12 · 1,647 students · 17:1 students per teacher · in Lake St. Louis
FT. Zumwalt West High
Grades 9–12 · 1,643 students · 14:1 students per teacher
FT. Zumwalt North High
Grades 9–12 · 1,538 students · 15:1 students per teacher
O'Fallon runs its own schools through grade 12 (Fort Zumwalt R-II School District). From grade PK, students attend the Wentzville R-IV School District, shared with Dardenne Prairie, Flint Hill, Foristell, Lake St. Louis and Wentzville. Parts of O'Fallon (7% of its land) are served by Francis Howell R-III instead. To confirm the school for a specific address, ask the district.
Two districts serve O'Fallon
Spending and class size are shown but don’t count toward the grade. Each district’s own page has every school.
Well above the state in reading
O'Fallon vs. its neighbors
Schools grades for the Missouri towns that share O'Fallon’s borders.
| Town | Schools | Main districts |
|---|---|---|
| O'Fallon | A | Fort Zumwalt R-II PK–12 · Wentzville R-IV PK–12 |
| Dardenne Prairie | A | Fort Zumwalt R-II PK–12 · Wentzville R-IV PK–12 |
| Lake St. Louis | A | Wentzville R-IV |
| St. Paul | A | Fort Zumwalt R-II |
| St. Peters | A | Fort Zumwalt R-II PK–12 · Francis Howell R-III PK–12 |
| Cottleville | A+ | Francis Howell R-III |
| Weldon Spring | A+ | Francis Howell R-III |
| Josephville | — | Fort Zumwalt R-II |
| Wentzville | A | Wentzville R-IV |
4 of the 8 neighbors share Fort Zumwalt R-II with O'Fallon for grades PK–12, so their letters differ mainly through the lower grades.
Every school in O'Fallon
23 schools. Each public school’s letter compares its own 2020–21 reading and math results with Missouri’s other public schools (the newest school-level results we have).
Left off: 4 public programs with fewer than 25 students (Boonslick, FT. Zumwalt Hope High, Mike Clemens Center Adapt LRNG and Francis Howell Union High). 1 duplicate private-school records merged.
Questions about O'Fallon’s schools
Are O'Fallon’s schools good?
By Missouri’s own tests, yes: the public schools O'Fallon children attend outscore 89% of Missouri’s school districts on tests and graduation, an A Schools grade, #37 of 247 Missouri towns. Among towns with similar incomes they beat 77%. Tests are from 2021–22, graduation from the class of 2023.
What school district is O'Fallon in?
Two districts: Fort Zumwalt R-II School District runs grades PK–12, and Wentzville R-IV School District runs grades PK–12, shared with Dardenne Prairie, Flint Hill, Foristell, Lake St. Louis and Wentzville.
Where do O'Fallon kids go to high school?
One of 3 high schools, depending on your address: Liberty High School, FT. Zumwalt West High and FT. Zumwalt North High.
What is O'Fallon’s graduation rate?
94% of the class of 2023 in Fort Zumwalt R-II School District graduated in four years, against 89% across Missouri.
How much does O'Fallon spend per student?
$14,783 in Fort Zumwalt R-II School District and $13,482 in Wentzville R-IV School District (FY2024), against $14,569 across Missouri. Spending doesn’t count toward the grade.
Are there private schools in O'Fallon?
Yes: St. Dominic High School (Catholic, grades 9–12, 1,087 students), Christian School District (religious, grades PK–12, 655 students), Assumption Catholic School (Catholic, grades PK–8, 431 students) and First Baptist Christian Academy (religious, grades PK–8, 279 students).
Parents talk
What O'Fallon families are saying about school.
Looking for colleges? Colleges near O'Fallon → They have their own page.
School data: state test results (2021–22, with participation) and four-year graduation rates (class of 2023) reported to the U.S. Department of Education (EDFacts via ED Data Express); each school’s own letter uses its 2020–21 results (EDFacts via the Urban Institute); schools and enrollment from NCES (2024–25; private schools 2023–24); spending from the Census Bureau’s school finance survey (FY2024). The School Grade is our own summary, graded within Missouri. Stars are from neighbors.