Sun River Middle School

123 Walker Street
Simms, MT 59477
(School attendance zone shown in map)
4/
10
Bottom 50%
Serving 55 students in grades 6-8, Sun River Middle School ranks in the bottom 50% of all schools in Montana for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30-39% (which is approximately equal to the Montana state average of 37%). The percentage of students achieving proficiency in reading/language arts is 40-49% (which is approximately equal to the Montana state average of 46%).
The student-teacher ratio of 11:1 is lower than the Montana state level of 12:1.
Minority enrollment is 18% of the student body (majority American Indian), which is lower than the Montana state average of 24% (majority American Indian).

Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 55 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 18%
  • : Bottom 50% in MT
  • : 30-39% (Btm 50%)
  • : 40-49% (Btm 50%)
  • : <50% (Top 30%)
  • Source: National Center for Education Statistics (NCES), MT Dept. of Education

School Overview

Sun River Middle School's student population of 55 students has stayed relatively flat over five school years.
The teacher population of 5 teachers has declined by 16% over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
Total Students
55 students
Total Classroom Teachers
5 teachers
School Calendar

School Rankings

Sun River Middle School ranks within the bottom 50% of all 696 schools in Montana (based off of combined math and reading proficiency testing data).
The diversity score of Sun River Middle School is 0.32, which is less than the diversity score at state average of 0.40. The school's diversity has stayed relatively flat over five school years.
This School
State Level (MT)
#419 out of 696 schools
(Bottom 50%)
30-39%
37%
40-49%
46%
<50%
37%
Student-Teacher Ratio
11:1
12:1
American Indian
9%
10%
Asian
2%
1%
Hispanic
2%
7%
Black
n/a
1%
White
82%
76%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
0.32
(22-23)
18.2%
35.9%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
33%
50%
Eligible for Reduced Lunch
9%
5%
School Statewide Testing
Source: National Center for Education Statistics (NCES), MT Dept. of Education

Frequently Asked Questions

What is Sun River Middle School's ranking?
Sun River Middle School is ranked #419 out of 696 schools, which ranks it among the bottom 50% of public schools in Montana.
What percent of students have achieved state testing proficiency in math and reading?
30-39% of students have achieved math proficiency (compared to the 37% MT state average), while 40-49% of students have achieved reading proficiency (compared to the 46% MT state average).
How many students attend Sun River Middle School?
55 students attend Sun River Middle School.
What is the racial composition of the student body?
82% of Sun River Middle School students are White, 9% of students are American Indian, 5% of students are Two or more races, 2% of students are Asian, and 2% of students are Hispanic.
What is the student-teacher ratio of Sun River Middle School?
Sun River Middle School has a student ration of 11:1, which is lower than the Montana state average of 12:1.
What grades does Sun River Middle School offer ?
Sun River Middle School offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is Sun River Middle School part of?
Sun River Middle School is part of Sun River Valley Elementary School District.

School Reviews

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Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 55 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 18%
  • : Bottom 50%
  • : 30-39% (Btm 50%)
  • : 40-49% (Btm 50%)
  • : <50% (Top 30%)
  • Source: National Center for Education Statistics (NCES), MT Dept. of Education

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