Ostmann Elem.
🇺🇸 Official data · 2025O'fallon, Missouri 63368 · Fort Zumwalt School District
#25 of 1,159 elementary schools in Missouri
#2417 of 50,301 nationally
About Ostmann Elem.
Ostmann Elem. is a public elementary located in O'fallon, in the Fort Zumwalt School District school district of Missouri, United States. It caters for Grades K–5. In 2025 it enrolled 362 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 85.1 out of 100, placing it in the top 5% of elementary schools in United States and 25th of 1,159 ranked elementary schools in Missouri. Its strongest component is community advantage (fewer free/reduced-price lunch) (97th percentile), and its weakest is students per teacher (76th percentile).
Other published figures: enrollment 362.
There are 18 schools in O'fallon; Ostmann Elem. ranks 1st of 17 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)66%
- Reading proficiency (30%)72%
- Community advantage (fewer free/reduced-price lunch) (25%)8.6%
- Students per teacher (15%)12.5
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Ostmann Elem. by the official sources.
- Enrollment
- 362
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 8.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 12.5
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 72%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 66%
- Share of tested students proficient or above (all students, all grades).
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Schools near Ostmann Elem.
Closest schools by straight-line distance, with their Success Index (US).
Twin Chimneys Elem.
O'fallon · Public elementary · Grades K–5
488 students · 972 m away
Dardenne Elem.
O'fallon · Public elementary · Grades K–5
445 students · 1.9 km away
Emge Elem.
O'fallon · Public elementary · Grades K–5
348 students · 2.0 km away
Ft. Zuwmalt West Middle
O'fallon · Public middle · Grades 6–8
1,114 students · 2.4 km away
Crossroads Elem.
Dardenne Prairie · Public elementary · Grades K–5
757 students · 2.5 km away
Pheasant Point Elem.
O'fallon · Public elementary · Grades K–5
428 students · 2.7 km away
Rock Creek Elem.
O'fallon · Public elementary · Grades K–5
408 students · 3.1 km away
Ft. Zumwalt West High
O'fallon · Public high · Grades 9–12
1,643 students · 3.2 km away
Barfield Early Childhood Cntr
O'fallon · Public other · Grades PK–PK
356 students · 3.3 km away
Prairie View Elem.
O'fallon · Public elementary · Grades K–5
696 students · 3.6 km away
Similar schools
Public elementary schools in Missouri with a comparable Enrollment.
John W. Luff Elem.
Independence · Public elementary · Grades PK–5
362 students
Cassell Park Elementary
Independence · Public elementary · Grades PK–5
362 students
Edison Elem.
ST Joseph · Public elementary · Grades PK–6
362 students
Heritage Elementary
Lake Ozark · Public elementary · Grades K–2
362 students
Clearwater Elementary
Piedmont · Public elementary · Grades PK–4
363 students
Washington-Franklin Elem.
Farmington · Public elementary · Grades 1–4
363 students
Frequently asked questions
Is Ostmann Elem. a good school?
Ostmann Elem. has a Success Index (US) of 85.1 out of 100 (Top 5% of elementary schools in United States) and ranks #25 of 1,159 in Missouri. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Ostmann Elem. rank in Missouri?
Ostmann Elem. ranks #25 of 1,159 elementary schools in Missouri and #2417 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Ostmann Elem.?
Ostmann Elem. had 362 students in 2025.
Is Ostmann Elem. a elementary school or a high school?
Ostmann Elem. is classified as a elementary covering Grades K–5. It is a public school.
What other schools are near Ostmann Elem.?
There are 10 schools within 15 km of Ostmann Elem.; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.