Ostmann Elementary School

200 Meriwether Lewis Dr
O Fallon, MO 63368
10/
10
Top 5%
Serving 399 students in grades Kindergarten-5, Ostmann Elementary School ranks in the top 5% of all schools in Missouri for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 60-64% (which is higher than the Missouri state average of 40%). The percentage of students achieving proficiency in reading/language arts is 70-74% (which is higher than the Missouri state average of 43%).
The student-teacher ratio of 11:1 is lower than the Missouri state level of 12:1.
Minority enrollment is 17% of the student body (majority Asian), which is lower than the Missouri state average of 32% (majority Black).

Quick Facts (2025)

  • Grades: Kindergarten-5
  • Enrollment: 399 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 17%
  • : Top 5% in MO
  • : 60-64% (Top 10%)
  • : 70-74% (Top 5%)
  • : 60-69% (Top 5%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

Top Rankings

Ostmann Elementary School ranks among the top 20% of public schools in Missouri for:

Category
Attribute
Most improved public schools

School Overview

Ostmann Elementary School's student population of 399 students has grown by 9% over five school years.
The teacher population of 35 teachers has grown by 6% over five school years.
Grades Offered
Grades Kindergarten-5
(No virtual instruction)
Total Students
399 students
Gender %
Total Classroom Teachers
35 teachers

School Rankings

Ostmann Elementary School ranks within the top 5% of all 2,076 schools in Missouri (based off of combined math and reading proficiency testing data).
The diversity score of Ostmann Elementary School is 0.31, which is less than the diversity score at state average of 0.51. The school's diversity has stayed relatively flat over five school years.
This School
State Level (MO)
#76 out of 2076 schools
(Top 5%)
60-64%
40%
70-74%
43%
60-69%
38%
Student-Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
7%
2%
Hispanic
4%
8%
Black
2%
15%
White
83%
68%
Hawaiian
n/a
1%
Two or more races
4%
6%
All Ethnic Groups
0.31
Eligible for Free Lunch
3%
42%
Eligible for Reduced Lunch
2%
7%
School District Name
Source: National Center for Education Statistics (NCES), MO Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is Ostmann Elementary School's ranking?
Ostmann Elementary School is ranked #76 out of 2,076 schools, which ranks it among the top 5% of public schools in Missouri.
What schools are Ostmann Elementary School often compared to?
Ostmann Elementary Schoolis often viewed alongside schools like Dardenne Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
60-64% of students have achieved math proficiency (compared to the 40% MO state average), while 70-74% of students have achieved reading proficiency (compared to the 43% MO state average).
How many students attend Ostmann Elementary School?
399 students attend Ostmann Elementary School.
What is the racial composition of the student body?
83% of Ostmann Elementary School students are White, 7% of students are Asian, 4% of students are Hispanic, 4% of students are Two or more races, and 2% of students are Black.
What is the student-teacher ratio of Ostmann Elementary School?
Ostmann Elementary School has a student ration of 11:1, which is lower than the Missouri state average of 12:1.
What grades does Ostmann Elementary School offer ?
Ostmann Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).
What school district is Ostmann Elementary School part of?
Ostmann Elementary School is part of Fort Zumwalt School District.

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Quick Facts (2025)

  • Grades: Kindergarten-5
  • Enrollment: 399 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 17%
  • : Top 5%
  • : 60-64% (Top 10%)
  • : 70-74% (Top 5%)
  • : 60-69% (Top 5%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

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