Public schools in O'Fallon, MO
21 open public schools with an address in O'Fallon, operated by 3 education agencies. Compare size, staffing, grade spans, and school type, then confirm assignment with the district.
Public schools
21
NCES preliminary directory 2025–26
Reported students
12,504
21 schools reporting · NCES 2024–25
Median student–teacher ratio
12.9:1
Missouri median 12.3:1
Charter schools
0
0 virtual
An overview of O'Fallon public schools
The federal directory lists 21 public schools in O'Fallon, MO: 12 elementary, 3 middle, 4 high, 2 combined or other. The 21 schools that reported 2024–25 membership enrolled 12,504 students, an average of 595 per school. The largest campus is Ft. Zumwalt West High (1,643 students), and the largest elementary school is Prairie View Elem. (696).
Fort Zumwalt School District operates the most schools here (16), and 3 regular districts have at least one O'Fallon campus. City names come from school mailing addresses, which often differ from district or municipal boundaries.
Across schools that reported staffing, the median student–teacher ratio is 12.9:1, similar to the statewide school median of 12.3:1. A ratio counts classroom-teacher FTE against total enrollment, so specialized programs and part-time staffing can move it; ask schools for actual class sizes by grade.
Among 5 high and combined schools with 2021–22 civil-rights data, 2 reported students enrolled in AP courses and 2 of 5 reported computer-science classes. Confirm current course catalogs directly with each school.
About 19% of students in reporting schools were eligible for free or reduced-price meals in 2024–25. This describes the community served; it is not a quality signal, and community-eligibility schools can report differently.
School districts and agencies serving O'Fallon
Elementary schools in O'Fallon
12| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Dardenne Elem. Fort Zumwalt School District | KG–05 | 445 | 11.6:1 | |
| Discovery Ridge Elementary Wentzville R-IV | PK–05 | 590 | 13.7:1 | |
| Emge Elem. Fort Zumwalt School District | KG–05 | 348 | 12.9:1 | |
| Forest Park Elem. Fort Zumwalt School District | 03–05 | 436 | 12.6:1 | |
| Joseph L. Mudd Elem. Fort Zumwalt School District | KG–02 | 412 | 12.6:1 | |
| Mount Hope Elem. Fort Zumwalt School District | KG–05 | 444 | 13.5:1 | |
| Ostmann Elem. Fort Zumwalt School District | KG–05 | 362 | 12.2:1 | |
| Pheasant Point Elem. Fort Zumwalt School District | KG–05 | 428 | 13:1 | |
| Prairie View Elem. Wentzville R-IV | KG–05 | 696 | 13.6:1 | |
| Rock Creek Elem. Fort Zumwalt School District | KG–05 | 408 | 12.5:1 | |
| Twin Chimneys Elem. Fort Zumwalt School District | KG–05 | 488 | 12.9:1 | |
| Westhoff Elem. Fort Zumwalt School District | KG–05 | 534 | 13.6:1 |
Middle schools in O'Fallon
3| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Frontier Middle Wentzville R-IV | 06–08 | 1,243 | 14.5:1 | |
| Ft. Zumwalt North Middle Fort Zumwalt School District | 06–08 | 1,019 | 13.8:1 | |
| Ft. Zuwmalt West Middle Fort Zumwalt School District | 06–08 | 1,114 | 12.2:1 |
High schools in O'Fallon
4| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Francis Howell Union High Francis Howell R-III · Alternative School | 09–12 | 0 | 0:1 | |
| Ft. Zumwalt Hope High Fort Zumwalt School District · Alternative School | 09–12 | 0 | 0:1 | |
| Ft. Zumwalt North High Fort Zumwalt School District | 09–12 | 1,538 | 14.8:1 | |
| Ft. Zumwalt West High Fort Zumwalt School District | 09–12 | 1,643 | 14.3:1 |
Combined, early-childhood, and other schools in O'Fallon
2| School | Grades | Students | Ratio | Compare |
|---|---|---|---|---|
| Barfield Early Childhood Cntr Wentzville R-IV | PK–PK | 356 | 10.8:1 | |
| Mike Clemens Center Adapt Lrng Fort Zumwalt School District · Alternative School | KG–12 | 0 | 0:1 |
Student demographics
Race and ethnicity share of reported enrollment
- White72.5%
- Hispanic7.7%
- Black6.8%
- Asian6.1%
- American Indian / Alaska Native0.2%
- Native Hawaiian / Pacific Islander0.2%
- Multiracial6.6%
Enrollment-weighted across 18 O'Fallon schools with NCES CCD 2024–25 race/ethnicity counts (12,504 students). Privacy suppression can leave small gaps.
Questions about public schools in O'Fallon
How many public schools are in O'Fallon, MO?
The current NCES directory lists 21 open public schools with a location address in O'Fallon: 12 elementary, 3 middle, 4 high, 2 combined or other. Together they reported 12,504 students in 2024–25. The count includes charter, alternative, and special-purpose public schools; it excludes private schools.
Which school districts serve O'Fallon?
Schools with an address in O'Fallon belong to 3 education agencies, led by Fort Zumwalt School District (16 schools), Wentzville R-IV (4 schools), Francis Howell R-III (1 school). A mailing city is not an attendance boundary; confirm the district for a specific address.
What is the largest public high school in O'Fallon?
Ft. Zumwalt West High reported the largest high-school enrollment in O'Fallon, with 1,643 students in 2024–25 (grades 09–12). Size is a description of the campus, not a quality measure.
Are there charter schools in O'Fallon?
No school with an address in O'Fallon is identified as a charter school in the current NCES directory. Families may still have charter or virtual options elsewhere in Missouri.
What is the typical student–teacher ratio in O'Fallon schools?
The median reported student–teacher ratio across O'Fallon public schools is 12.9:1, similar to the Missouri school median of 12.3:1. The ratio divides enrollment by classroom-teacher FTE; it is not an average class size.
Does living in O'Fallon guarantee a seat at a specific school?
No. Assignment depends on the district's attendance boundaries, programs, and enrollment rules, which can split a city or cross city lines. Use the district profile and its official boundary or school-locator tool to confirm the assigned school for an exact address.
Nearby Missouri cities
Sources: NCES Common Core of Data 2025–26 preliminary directory (schools, grades, addresses, charter status) and 2024–25 nonfiscal files (enrollment, teachers, race/ethnicity, meal eligibility); Civil Rights Data Collection 2021–22 (AP and computer science). Cities are grouped by school mailing address. Methodology · All Missouri cities