Warren County R-III School District

385 W. Veterans Memorial Pkwy
Warrenton, MO 63383-2116
(District boundaries shown in map)
5/
10
Bottom 50%

Top Rankings

Warren County R-III School District ranks among the top 20% of public school district in Missouri for:

Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there is 1 public high school serving 974 students in Warren County R-III School District. This district's average high testing ranking is 6/10, which is in the top 50% of public high schools in Missouri.
Public High School in Warren County R-III School District have an average math proficiency score of 30% (versus the Missouri public high school average of 36%), and reading proficiency score of 52% (versus the 51% statewide average).
Public High School in Warren County R-III School District have a Graduation Rate of 87%, which is less than the Missouri average of 89%.
The school with highest graduation rate is Warrenton High School, with 87% graduation rate. Read more about public school graduation rate statistics in Missouri or national school graduation rate statistics.
Minority enrollment is 15% of the student body (majority Hispanic), which is less than the Missouri public high school average of 31% (majority Black).

Overview

This School District
This State (MO)
# Schools
6 Schools
744 Schools
# Students
2,981 Students
292,389 Students
# Teachers
226 Teachers
23,446 Teachers
Student-Teacher Ratio
13:1
13:1

Student By Grade

District Rank

Warren County R-III School District, which is ranked within the bottom 50% of all 553 school districts in Missouri (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 87% has decreased from 94% over five school years.
This School District
State Average (MO)
#315 out of 555 school districts
(Bottom 50%)
34%
40%
41%
43%
34%
38%
87%
90%
(2022-23)
21%
20.5%

Students by Ethnicity:

0.28
0.50
% American Indian
n/a
n/a
% Asian
n/a
2%
% Hispanic
6%
9%
% Black
4%
15%
% White
84%
69%
% Hawaiian
n/a
n/a
% Two or more races
6%
5%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $12,844 in this school district is less than the state median of $15,190. The school district revenue/student has grown by 19% over four school years.
The school district's spending/student of $11,206 is less than the state median of $14,008. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (MO)
Total Revenue
$38 MM
$13,447 MM
Spending
$33 MM
$12,401 MM
Revenue / Student
$12,844
$15,190
Spending / Student
$11,206
$14,008

Best Warren County R-III School District Public High Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Warrenton High School
(Math: 30% | Reading: 52%)
Rank:
6/
10
Top 50%
803 Pinckney
Warrenton, MO 63383
(636) 456-6902
Gr: 9-12 | 974 students Student-teacher ratio: 16:1 Minority enrollment: 15%

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Quick Facts (2026)

  • District size: 6 schools
  • Grades: PK-12
  • Enrollment: 2,981 students
  • Student-Teacher Ratio: 13:1
  • Minority Enrollment: 16%
  • : 87% (Top 30% in MO)
  • : Bottom 50%
  • : 34% (Btm 50%)
  • : 41% (Top 50%)
  • : 34% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

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