For the 2026 school year, there is 1 public high school serving 187 students in Clinton County R-III School District. This district's average high testing ranking is 5/10, which is in the bottom 50% of public high schools in Missouri.
Public High School in Clinton County R-III School District have an average math proficiency score of 45% (versus the Missouri public high school average of 36%), and reading proficiency score of 35% (versus the 51% statewide average).
Public High School in Clinton County R-III School District have a Graduation Rate of 90%, which is more than the Missouri average of 89%.
The school with highest graduation rate is Plattsburg High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Missouri or national school graduation rate statistics.
Minority enrollment is 25% of the student body (majority Black and Hispanic), which is less than the Missouri public high school average of 30% (majority Black).
Overview
This School District
This State (MO)
# Schools
3 Schools
753 Schools
# Students
704 Students
293,732 Students
# Teachers
59 Teachers
22,922 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 2022-2023 school year.
The school district's graduation rate of 80-89% has decreased from 90% over five school years.
Overall District Rank
#422 out of 555 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
34%
40%
Reading/Language Arts Test Scores (% Proficient)
29%
43%
Science Test Scores (% Proficient)
15-19%
38%
Graduation Rate
(21-22)80-89%
90%
Students by Ethnicity:
Diversity Score
0.31
0.49
% American Indian
n/a
n/a
% Asian
1%
2%
% Hispanic
3%
8%
% Black
2%
15%
% White
83%
70%
% Hawaiian
n/a
n/a
% Two or more races
11%
5%
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 stayed relatively flat 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 6% 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 High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Plattsburg High School
(Math: 40-49% | Reading: 30-39%)
Rank:
Rank:
5/
Bottom 50%10
800 W Frost St
Plattsburg, MO 64477
(816) 539-2184
Plattsburg, MO 64477
(816) 539-2184
Gr: 9-12 | 187 students Student-teacher ratio: 10:1 Minority enrollment: 25%
Recent Articles
Preventing Suicide in Schools: 2026 Guide for Educators
Learn updated 2026 strategies for preventing suicide in schools, including warning signs, intervention plans, and school-wide mental health support.
The Impact of Social Media on Students (2026 Update)
Explore the impact of social media on students in 2026, including academic, mental health, and safety insights for parents and educators.
Building a Summer Reading Plan That Keeps Kids Engaged
Learn how to build a summer reading plan that keeps kids engaged, motivated, and improving literacy skills throughout the break.
