For the 2025 school year, there are 3 public schools serving 704 students in Clinton County R-III School District. This district's average testing ranking is 2/10, which is in the bottom 50% of public schools in Missouri.
Public Schools in Clinton County R-III School District have an average math proficiency score of 24% (versus the Missouri public school average of 39%), and reading proficiency score of 30% (versus the 43% statewide average).
Minority enrollment is 17% of the student body (majority Hispanic and Black), which is less than the Missouri public school average of 32% (majority Black).
Overview
This School District
This State (MO)
# Schools
3 Schools
2,477 Schools
# Students
704 Students
891,649 Students
# Teachers
59 Teachers
69,803 Teachers
Student : Teacher Ratio
12:1
12:1
Student By Grade
District Rank
Clinton 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 2021-2022 school year.
The school district's graduation rate of 80-89% has decreased from 90% over five school years.
Overall District Rank
#475 out of 557 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
23%
39%
Reading/Language Arts Test Scores (% Proficient)
29%
43%
Science Test Scores (% Proficient)
15-19%
38%
Graduation Rate
80-89%
90%
Students by Ethnicity:
Diversity Score
0.31
0.51
% American Indian
n/a
n/a
% Asian
1%
2%
% Hispanic
3%
8%
% Black
2%
15%
% White
83%
68%
% Hawaiian
n/a
1%
% Two or more races
11%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $13,543 in this school district is less than the state median of $15,081. The school district revenue/student has declined by 9% over four school years.
The school district's spending/student of $17,815 is higher than the state median of $13,908. The school district spending/student has declined by 9% over four school years.
Total Revenue
$10 MM
$13,447 MM
Spending
$13 MM
$12,401 MM
Revenue / Student
$13,543
$15,081
Spending / Student
$17,815
$13,908
Best Clinton County R-III School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Plattsburg High School
(Math: 50-59% | Reading: 30-39%)
Rank:
Rank:
6/
Top 50%10
800 W Frost St
Plattsburg, MO 64477
(816) 539-2184
Plattsburg, MO 64477
(816) 539-2184
Grades: 9-12
| 187 students
Rank: #22.
Ellis Elementary School
(Math: 15-19% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
603 W Frost St
Plattsburg, MO 64477
(816) 539-2187
Plattsburg, MO 64477
(816) 539-2187
Grades: PK-5
| 360 students
Rank: #33.
Clinton Co. R-iii Middle School
(Math: 20-24% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
800 W Frost St
Plattsburg, MO 64477
(816) 539-3920
Plattsburg, MO 64477
(816) 539-3920
Grades: 6-8
| 157 students
Frequently Asked Questions
How many schools belong to Clinton County R-III School District?
Clinton County R-III School District manages 3 public schools serving 704 students.
What is the rank of Clinton County R-III School District?
Clinton County R-III School District is ranked #466 out of 553 school districts in Missouri (bottom 50%) based off of combined math and reading proficiency testing data for the 2021-2022 school year.
What is the racial composition of students in Clinton County R-III School District?
83% of Clinton County R-III School District students are White, 11% of students are Two or more races, 3% of students are Hispanic, 2% of students are Black, and 1% of students are Asian.
What is the student/teacher ratio of Clinton County R-III School District?
Clinton County R-III School District has a student/teacher ratio of 12:1, which is lower than the Missouri state average of 13:1.
What is Clinton County R-III School District's spending/student ratio?
The school district's spending/student of $17,815 is higher than the state median of $13,908. The school district spending/student has declined by 9% over four school years.
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