Ostmann Elementary School
Public elementary school in O'Fallon, Missouri · Fort Zumwalt School District · Grades K–5
Ostmann Elementary School serves 362 students in grades K–5 in O'Fallon (St. Charles County). It is one of 25 schools in Fort Zumwalt School District. By enrollment it is the 501st largest of 1,202 public elementary schools in Missouri (median 327 students). With 12.2 students per full-time teacher, it has about the same as the typical Missouri elementary school (12.3).
Source: NCES CCD 2024-25. Rank and medians compare all 1,202 Missouri elementary schools with enrollment listed on this site.
Source: NCES CCD 2024-25. Students per teacher = students ÷ 29.69 full-time-equivalent teachers.
School facts
| School type | Regular School |
| Level | Elementary |
| Grades | K–5 |
| District | Fort Zumwalt School District |
| County | St. Charles County |
| Area type | Suburb, large |
| School meals | National School Lunch Program, free or reduced price for eligible students |
| NCES school ID | 290837002843 |
Source: NCES CCD 2024-25 directory and school characteristics; area type from NCES EDGE locale codes.
Compared with the district and Missouri
| This school | Fort Zumwalt School District | Missouri elementary schools (median) | |
|---|---|---|---|
| Students | 362 | 16,698 | 327 |
| Students per teacher | 12.2 | 12.7 | 12.3 |
| Free or reduced-price lunch eligible | 8.6% | 19.7% | 53.6% |
Source: NCES CCD 2024-25. District figures add up its schools. 46% of Missouri elementary schools have fewer students per teacher than this school (share of schools with a lower ratio). State test results aren't published here yet.
Ostmann Elementary School in context
Size
Of the 16 elementary schools in Fort Zumwalt School District, Ostmann Elementary School is the 14th largest, with 2.2% of the district's students. The 8 nearest elementary schools are a median 1.6 miles away and have a median of 467 students, so Ostmann Elementary School is smaller than most of them.
Source: NCES CCD 2024-25 enrollment and school type. Share of district students = this school's students ÷ the district's students. Nearest schools by straight-line distance between NCES EDGE locations.
Grades
Its largest grade is grade 4 with 73 students, and its smallest is grade 1 with 54, against an average of 60 per grade. Its first and last grades are close in size: 60 in kindergarten and 64 in grade 5.
Source: NCES CCD 2024-25 membership by grade.
Students
White students are the largest group, at 80.1% of enrollment, a higher share than across Fort Zumwalt School District (72.9%). Students from all 7 race and ethnicity groups NCES reports are enrolled.
8.6% of students qualify for free or reduced-price lunch, against 19.7% across Fort Zumwalt School District and a median of 53.6% for Missouri elementary schools. 4.7% are directly certified for free meals, meaning their families take part in programs such as SNAP or TANF, so no application was needed. Families apply for free or reduced-price meals, and eligibility depends on household income.
Source: NCES CCD 2024-25 membership and school lunch program data. District shares weight each school by its enrollment.
Teachers
Ostmann Elementary School has 29.69 full-time-equivalent teachers, or 12.2 students per teacher. At the median Missouri elementary school ratio of 12.3, a school with 362 students would have about 29.4 teachers, so Ostmann Elementary School has about as many as that.
Source: NCES CCD 2024-25. Expected teachers = this school's students ÷ the median students per teacher of Missouri elementary schools (12.3).
Location
NCES classifies its location as suburb, large, which means it is in an urbanized area of 250,000 people or more, outside its principal city. The nearest other elementary school is Twin Chimneys Elementary School, 0.6 miles away in the same district. There are 18 elementary schools within 5 miles and 35 within 10 miles.
Source: NCES EDGE school locations and locale codes, 2024-25. Distances are straight lines.
Students by race and ethnicity
| White | 80.1% |
| Asian | 8.3% |
| Black | 3.9% |
| Hispanic | 3.6% |
| Two or more races | 3.3% |
| American Indian or Alaska Native | 0.6% |
| Native Hawaiian or Pacific Islander | 0.3% |
48.3% of students are girls and 51.7% are boys.
Source: NCES CCD 2024-25 membership.
Students by grade
| Kindergarten | 60 |
| Grade 1 | 54 |
| Grade 2 | 55 |
| Grade 3 | 56 |
| Grade 4 | 73 |
| Grade 5 | 64 |
Source: NCES CCD 2024-25 membership.
Location and contact
200 Meriwether Lewis Dr., O'Fallon, MO 63368
Phone: (636)281-3382
Website: fz.k12.mo.us
Locations: NCES EDGE. Map data © OpenStreetMap contributors.
Red: Ostmann Elementary School. Blue: the nearest elementary schools.
Nearby elementary schools
| School | District | Distance | Students | Per teacher | Free/reduced lunch |
|---|---|---|---|---|---|
| Twin Chimneys Elementary School | Fort Zumwalt School District | 0.6 mi | 488 | 12.9 | 8.2% |
| Dardenne Elementary School | Fort Zumwalt School District | 1.2 mi | 445 | 11.6 | 46.1% |
| Emge Elementary School | Fort Zumwalt School District | 1.2 mi | 348 | 12.9 | 11.8% |
| Crossroads Elementary School | Wentzville R-IV | 1.6 mi | 757 | 12.6 | 15.2% |
| Pheasant Point Elementary School | Fort Zumwalt School District | 1.7 mi | 428 | 13 | 14.3% |
| Rock Creek Elementary School | Fort Zumwalt School District | 1.9 mi | 408 | 12.5 | 23% |
| Prairie View Elementary School | Wentzville R-IV | 2.2 mi | 696 | 13.6 | 24.6% |
| John Weldon Elementary School | Francis Howell R-III | 2.5 mi | 640 | 13.2 | 9.1% |
Source: NCES CCD 2024-25. Distance in a straight line between NCES EDGE locations.