Northwestern R-I School District

18475 Hwy 11
Mendon, MO 64660-0043
(District boundaries shown in map)
6/
10
Top 50%

Top Rankings

Northwestern R-I School District ranks among the top 20% of public school district in Missouri for:

Category
Attribute
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2026 school year, there are 2 public schools serving 136 students in Northwestern R-I School District. This district's average testing ranking is 6/10, which is in the top 50% of public schools in Missouri.
Public Schools in Northwestern R-I School District have an average math proficiency score of 34% (versus the Missouri public school average of 41%), and reading proficiency score of 50% (versus the 43% statewide average).
Minority enrollment is 1% of the student body (majority Black), which is less than the Missouri public school average of 33% (majority Black).

Overview

This School District
This State (MO)
# Schools
2 Schools
2,463 Schools
# Students
136 Students
885,270 Students
# Teachers
24 Teachers
70,230 Teachers
Student-Teacher Ratio
6:1
6:1

Student By Grade

District Rank

Northwestern R-I School District, which is ranked within the top 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 50% has stayed relatively flat over five school years.
This School District
State Average (MO)
#237 out of 555 school districts
(Top 50%)
34%
40%
45-49%
43%
30-39%
38%
(21-22)
≥50%
90%

Students by Ethnicity:

0.01
0.52
% American Indian
n/a
n/a
% Asian
n/a
2%
% Hispanic
n/a
9%
% Black
1%
15%
% White
99%
67%
% Hawaiian
n/a
1%
% Two or more races
n/a
6%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $26,772 is higher than the state median of $15,190. The school district revenue/student has grown by 85% over four school years.
The school district's spending/student of $42,360 is higher than the state median of $14,008. The school district spending/student has grown by 171% over four school years.
This School District
This State (MO)
Total Revenue
$4 MM
$13,447 MM
Spending
$6 MM
$12,401 MM
Revenue / Student
$26,772
$15,190
Spending / Student
$42,360
$14,008

Best Northwestern R-I School District Public Schools (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Northwestern High School
(Math: 40-59% | Reading: 40-49%)
Rank:
7/
10
Top 50%
18475 Hwy 11
Mendon, MO 64660
(660) 272-3201
Gr: 7-12 | 54 students Student-teacher ratio: 5:1 Minority enrollment: 2%
Rank: #22.
Northwestern Elementary School
(Math: 20-29% | Reading: 50-59%)
Rank:
5/
10
Bottom 50%
18475 Hwy 11
Mendon, MO 64660
(660) 272-3201
Gr: PK-6 | 82 students Student-teacher ratio: 7:1

Frequently Asked Questions

How many schools belong to Northwestern R-I School District?
Northwestern R-I School District manages 2 public schools serving 136 students.
What is the rank of Northwestern R-I School District?
Northwestern R-I School District is ranked #227 out of 553 school districts in Missouri (top 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Missouri school districts for: Lowest student-teacher ratio (Top 1%)
What is the racial composition of students in Northwestern R-I School District?
99% of Northwestern R-I School District students are White, and 1% of students are Black.
What is the student/teacher ratio of Northwestern R-I School District?
Northwestern R-I School District has a student/teacher ratio of 6:1, which is lower than the Missouri state average of 13:1.
What is Northwestern R-I School District's spending/student ratio?
The school district's spending/student of $42,360 is higher than the state median of $14,008. The school district spending/student has grown by 171% over four school years.

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Quick Facts (2026)

  • District size: 2 schools
  • Grades: PK-12
  • Enrollment: 136 students
  • Student-Teacher Ratio: 6:1
  • Minority Enrollment: 1%
  • : ≥50% (Top 50% in MO)
  • : Top 50%
  • : 34% (Btm 50%)
  • : 45-49% (Top 30%)
  • : 30-39% (Top 50%)
  • Source: National Center for Education Statistics (NCES), MO Dept. of Education

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