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Clinton Co. R-iii Middle School

800 W Frost St
Plattsburg, MO 64477
(School attendance zone shown in map)
2/
10
Bottom 50%
Serving 157 students in grades 6-8, Clinton Co. R-iii Middle School ranks in the bottom 50% of all schools in Missouri for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 25-29% (which is lower than the Missouri state average of 40%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the Missouri state average of 43%).
The student:teacher ratio of 14:1 is higher than the Missouri state level of 12:1.
Minority enrollment is 17% of the student body (majority Black and Hispanic), which is lower than the Missouri state average of 32% (majority Black).

Quick Stats (2025)

  • Grades: 6-8
  • Enrollment: 157 students
  • Student:Teacher Ratio: 14:1
  • Minority Enrollment: 17%
  • : Bottom 50% in MO
  • : 25-29% (Btm 50%)
  • : 25-29% (Btm 50%)
  • : 20-29% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

School Overview

Clinton Co. R-iii Middle School's student population of 157 students has stayed relatively flat over five school years.
The teacher population of 11 teachers has declined by 8% over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
Total Students
157 students
Gender %
Total Classroom Teachers
11 teachers

School Rankings

Clinton Co. R-iii Middle School ranks within the bottom 50% of all 2,076 schools in Missouri (based off of combined math and reading proficiency testing data).
The diversity score of Clinton Co. R-iii Middle School is 0.30, 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)
#1682 out of 2076 schools
(Bottom 50%)
25-29%
40%
25-29%
43%
20-29%
38%
Student : Teacher Ratio
14:1
12:1
American Indian
n/a
n/a
Asian
2%
2%
Hispanic
2%
8%
Black
2%
15%
White
83%
68%
Hawaiian
n/a
1%
Two or more races
11%
6%
All Ethnic Groups
0.30
Eligible for Free Lunch
34%
42%
Eligible for Reduced Lunch
9%
7%
School Statewide Testing
Source: National Center for Education Statistics (NCES), MO Dept. of Education
Profile last updated: 02/09/2025

Frequently Asked Questions

What is Clinton Co. R-iii Middle School's ranking?
Clinton Co. R-iii Middle School is ranked #1682 out of 2,076 schools, which ranks it among the bottom 50% of public schools in Missouri.
What percent of students have achieved state testing proficiency in math and reading?
25-29% of students have achieved math proficiency (compared to the 40% MO state average), while 25-29% of students have achieved reading proficiency (compared to the 43% MO state average).
How many students attend Clinton Co. R-iii Middle School?
157 students attend Clinton Co. R-iii Middle School.
What is the racial composition of the student body?
83% of Clinton Co. R-iii Middle School students are White, 11% of students are Two or more races, 2% of students are Asian, 2% of students are Hispanic, and 2% of students are Black.
What is the student:teacher ratio of Clinton Co. R-iii Middle School?
Clinton Co. R-iii Middle School has a student ration of 14:1, which is higher than the Missouri state average of 12:1.
What grades does Clinton Co. R-iii Middle School offer ?
Clinton Co. R-iii Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Clinton Co. R-iii Middle School part of?
Clinton Co. R-iii Middle School is part of Clinton County R-III School District.

School Reviews

2   5/30/2011
This school is a joke and it is sad that the children in this area have to go here. Just look at their American Flag that has been in shreds all year long. They are disrespectful to our children and play favorites like THEY are immature kids. Alot of the faculty lie straight to your face. I would NEVER recommend Clinton County Schools to anyone that loves their children. If you can avoid these schools it is to your best interest. God bless and good luck!
- Posted by Parent - noney

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Quick Stats (2025)

  • Grades: 6-8
  • Enrollment: 157 students
  • Student:Teacher Ratio: 14:1
  • Minority Enrollment: 17%
  • : Bottom 50%
  • : 25-29% (Btm 50%)
  • : 25-29% (Btm 50%)
  • : 20-29% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

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