Excellent
#201 of 2,216 schools in MO
Top 9% 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
8.2
Grades
Kindergarten – 5th
Enrollment
399
Student-Teacher
11.7:1
Score
8.2
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In O'fallon
#5 of 18
public schools
Missouri elementary schools
#132 of 1,202
In district
#10 of 25
FORT ZUMWALT SCHOOL DISTRICT
Academic performance
9.3 / 10
Exceptional
About Ostmann Elem.
Ostmann Elem. is a public elementary school in O'fallon, MO, part of the FORT ZUMWALT SCHOOL DISTRICT. The school serves approximately 399 students in grades Kindergarten – 5th with a student-teacher ratio of 11.7:1. It holds a MySchoolScout rating of 8.2/10, placing it in the 91st percentile among MO schools — an above average rating overall.
Students demonstrate 63% proficiency in math and 70% in reading/language arts. The school scores particularly well in school environment (8.5/10). Located in a neighborhood with a median household income of $118,811, where 49% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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Ostmann Elem. — Students at Ostmann Elem. score 67% proficient, which is above what's typical for similar communities (expected: 58%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
5%
Students qualifying for federal meal assistance
Test Scores MO EDFACTS (2021-22)
Based on 6 test records from MO state assessments. About our data
Proficiency Trend
→ StableAverage 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: 7.5/10.
How Ostmann Elem. Compares
See how Ostmann Elem. performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 66% (2019) to 62% (2022). Reading/ELA proficiency has remained stable from 72% (2019) to 72% (2022).
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. TWIN CHIMNEYS ELEM. (rated 8.0/10, 0.6 miles away), with a very similar rating. Another option is EMGE ELEM. (rated 7.9/10, 1.3 miles away), with a very similar rating. Additionally, PROGRESS SOUTH ELEM. (rated 7.9/10, 2.6 miles away, in nearby St. Peters), with a very similar rating. 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 | 8.0 |
| DARDENNE ELEM. O'Fallon | 1.2 mi | 7.3 |
| EMGE ELEM. O'Fallon | 1.3 mi | 7.9 |
| FT. ZUWMALT WEST MIDDLE O'Fallon | 1.5 mi | 7.9 |
| ROCK CREEK ELEM. O'Fallon | 1.9 mi | 5.9 |
| PHEASANT POINT ELEM. O'Fallon | 1.7 mi | 6.7 |
| CROSSROADS ELEM. Dardenne Prairie | 1.6 mi | 6.3 |
| FT. ZUMWALT WEST HIGH O'Fallon | 2.0 mi | 8.5 |
| JOHN WELDON ELEM. Dardenne Prairie | 2.5 mi | 7.5 |
| BARFIELD EARLY CHILDHOOD CNTR O'Fallon | 2.1 mi | 7.8 |
| 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 | 6.1 |
| FT. ZUMWALT SOUTH MIDDLE St. Peters | 2.4 mi | 7.0 |
| 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 | 7.9 |
| 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
Community Profile
The community surrounding Ostmann Elem. has a median household income of $118,811. It is a well-educated community where 49% of adults hold a bachelor's degree or higher. The median home value in the area is $327,700, with a median rent of $1,442/month. The local poverty rate of 3.7% is relatively low. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| BABLER ELEM. Glencoe, MO | 8.2 |
| BEASLEY ELEM. St. Louis, MO | 8.2 |
| COLE CO. R-I ELEM. Russellville, MO | 8.2 |
| CREST RIDGE ELEM. Centerview, MO | 8.2 |
| EAST PRAIRIE ELEM East Prairie, MO | 8.2 |
| FAIRVIEW PRIMARY Jennings, MO | 8.2 |
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. is ranked #201 out of 2,216 schools in MO.
What is Ostmann Elem.'s MySchoolScout rating?
Ostmann Elem. has a composite rating of 8.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Ostmann Elem.?
Based on the most recent state assessment data, Ostmann Elem. has 63.3% math proficiency and 70.3% reading/ELA proficiency.
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.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (O'fallon). Data >1 year old.
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
- Phone
- (636) 281-3382
- Data Year
- 2023–2024
Resources & Links
District
FORT ZUMWALT SCHOOL DISTRICT- District Enrollment
- 16,829
- Schools in District
- 27
- Per-Pupil Spending
- $13,648
- District Rank
- #10 of 25
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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