A
Ostmann Elem.
PublicElementaryGrades K–5
200 Meriwether Lewis Dr, O'Fallon, MO 63368 · (636) 281-3382 · Part of Fort Zumwalt R-II School District
Students
362
Students per teacher
12:1
Free or reduced lunch
9%
Setting
Suburb
Grades
K–5
What stands out about Ostmann Elem.
- School Grade A: near the top of Illinois’s public schools
- Math proficiency 27 pts above the state
- Reading / language arts 22 pts above the state
- Small classes: 12:1 students per teacher
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency62%
State average 35.3%
Reading / language arts67%
State average 45.2%
Location
Directions ↗
200 Meriwether Lewis Dr, O'Fallon
Students
Enrollment by grade
Kindergarten60
Grade 154
Grade 255
Grade 356
Grade 473
Grade 564
Enrollment over time
362’20
363’21
349’22
399’23
362’24
About steady.
Who goes here
White 80%Asian 8%Black 4%Hispanic 4%Two or more races 3%American Indian/Alaska Native <1%Native Hawaiian/Pacific Islander <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Ostmann Elem..
Other schools in Fort Zumwalt R-II School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.