Excellent
#15 of 2,221 schools in MO
Top 1% in state
Ostmann Elem.
Elementary School · FORT ZUMWALT SCHOOL DISTRICT
200 MERIWETHER LEWIS DR, O'fallon, MO 63368
Enrollment
399
Student-Teacher
11.7:1
Score
9.3
Grades
Kindergarten – 5th
Enrollment
399
Student-Teacher
11.7:1
Score
9.3
Grades
Kindergarten – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Missouri schools
#15 of 2,221
In O'fallon
#1 of 18
public schools
In district
#1 of 25
FORT ZUMWALT SCHOOL DISTRICT
Academic growth
9.4 / 10
Excellent
Shortlisting around Ostmann Elem.?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Ostmann Elem.
Elementary School in O'fallon · grades Kindergarten – 5th. Start here, then compare fit against nearby and district options.
Oakhaven Montessori School
0.4 mi away. Use as a geographic alternative in the same move search.
Twin Chimneys Elem.
0.6 mi away. Use as a geographic alternative in the same move search.
About Ostmann Elem.
Ostmann Elem. is a public elementary school in O'fallon, MO, part of FORT ZUMWALT SCHOOL DISTRICT. Ostmann Elem. serves approximately 399 students, and covers grades Kindergarten-5th, and has a 11.7:1 student-teacher ratio. Ostmann Elem. has a current MySchoolScout rating of 9.3 out of 10 and ranks #15 of 2,221 schools in MO.
Structured state assessment records for Ostmann Elem. show 62% math proficiency (multi-year average, 2009-2025) and 69% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 9.3 · Excellent
- District avg 7.8
- MO avg 6.4
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Ostmann Elem. — Students at Ostmann Elem. score 68% proficient, which is above what's typical for similar communities (expected: 61%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
5%
Students qualifying for federal meal assistance
Test Scores MO MAP (2024-25)
Based on 37 test records from MO state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.4/10.
How Ostmann Elem. Compares
See how Ostmann Elem. performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
200 MERIWETHER LEWIS DR, O'fallon, MO 63368
Nearby Alternatives
Families considering Ostmann Elem. may also want to explore other elementary schools in the area. EMGE ELEM. (rated 9.1/10, 1.3 miles away), with a very similar rating. Another option is ROCK CREEK ELEM. (rated 8.7/10, 1.9 miles away), with a comparable rating. Additionally, TWIN CHIMNEYS ELEM. (rated 7.9/10, 0.6 miles away), a more accessible option. For more schools in O'fallon, see our O'fallon schools guide .
Nearby Schools
20 within 3.1 mi| School | Distance | Rating |
|---|---|---|
| OAKHAVEN MONTESSORI SCHOOL Dardenne Prairie | 0.4 mi | 5.4 |
| TWIN CHIMNEYS ELEM. O'Fallon | 0.6 mi | 7.9 |
| DARDENNE ELEM. O'Fallon | 1.2 mi | 7.6 |
| EMGE ELEM. O'Fallon | 1.3 mi | 9.1 |
| FT. ZUWMALT WEST MIDDLE O'Fallon | 1.5 mi | 8.2 |
| ROCK CREEK ELEM. O'Fallon | 1.9 mi | 8.7 |
| PHEASANT POINT ELEM. O'Fallon | 1.7 mi | 7.9 |
| CROSSROADS ELEM. Dardenne Prairie | 1.6 mi | 6.2 |
| FT. ZUMWALT WEST HIGH O'Fallon | 2.0 mi | 7.6 |
| JOHN WELDON ELEM. Dardenne Prairie | 2.5 mi | 7.8 |
| BARFIELD EARLY CHILDHOOD CNTR O'Fallon | 2.1 mi | 5.5 |
| IMMACULATE CONCEPTION SCHOOL Dardenne Prairie | 2.1 mi | 4.9 |
| FIRST BAPTIST CHRISTIAN ACADEMY O'Fallon | 2.6 mi | 6.8 |
| PRAIRIE VIEW ELEM. O'Fallon | 2.2 mi | 6.2 |
| FT. ZUMWALT SOUTH MIDDLE St. Peters | 2.4 mi | 6.1 |
| Boonslick St. Peters | 2.5 mi | — |
| ST DOMINIC HIGH SCHOOL O'Fallon | 3.1 mi | 4.1 |
| ST DOMINIC HIGH SCHOOL O'Fallon | 3.1 mi | 3.9 |
| PROGRESS SOUTH ELEM. St. Peters | 2.6 mi | 7.4 |
| FT. ZUMWALT NORTH MIDDLE O'Fallon | 3.1 mi | 7.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 63368 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$118,811
Median Home Value
$327,700
Median Rent
$1,442/mo
Population
45,862
College Educated
48.7%
Homeownership
81.4%
Avg Commute
25.8 min
Poverty Rate
3.7%
Median Age
38.1
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| WOOD ELEM. Ft. Leonard Wood, MO | 9.3 |
| LONE DELL ELEM. Arnold, MO | 9.4 |
| BARRETTS ELEM. Manchester, MO | 9.2 |
| BERNIE ELEM. Bernie, MO | 9.2 |
| CANTON ELEM. Canton, MO | 9.2 |
| JAMES LEWIS ELEM. Blue Springs, MO | 9.2 |
Frequently Asked Questions
Common questions about Ostmann Elem.
What grades does Ostmann Elem. serve?
Ostmann Elem. serves students in grades Kindergarten through 5th.
How many students attend Ostmann Elem.?
Ostmann Elem. has an enrollment of approximately 399 students.
What is the student-teacher ratio at Ostmann Elem.?
The student-teacher ratio at Ostmann Elem. is 11.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Ostmann Elem. rank in MO?
Ostmann Elem. ranks #15 of 2,221 schools in MO.
What is Ostmann Elem.'s MySchoolScout rating?
Ostmann Elem. has a current MySchoolScout rating of 9.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Ostmann Elem.?
Based on loaded state assessment records, Ostmann Elem. has 62% math proficiency (multi-year average, 2009-2025) and 69% reading/ELA proficiency (multi-year average, 2009-2025).
Is Ostmann Elem. a charter school?
No, Ostmann Elem. is not a charter school. It is a traditional public school operated by the local school district.
Is Ostmann Elem. a Title I school?
No, Ostmann Elem. is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Ostmann Elem.?
5.0% of students at Ostmann Elem. qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 399
- Student-Teacher Ratio
- 11.7:1
- Teachers (FTE)
- 34
- Free/Reduced Lunch
- 5.0%
- Type
- regular
- Setting
- Large Suburb
- County
- St. Charles County
- Chronic Absenteeism (SY 2022-23)
- 7.0%
- Phone
- (636) 281-3382
Resources & Links
District
FORT ZUMWALT SCHOOL DISTRICT- District Enrollment
- 16,829
- Schools in District
- 27
- Per-Pupil Spending
- $13,648
- District Rank
- #1 of 25
Other Schools in This District
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