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%
- Overall Testing Rank: Bottom 50% in MT
- Math Proficiency: 30-39% (Btm 50%)
- Reading Proficiency: 40-49% (Btm 50%)
- Science Proficiency: <50% (Top 30%)
- Attendance Zone: Sun River Middle School in Simms, MT serves an attendance area of approximately 248.2 square miles, covering the entire district and typically requiring a 15-20 minute drive to the school. The furthest point within the zone is about 19.6 miles away from the school.
- 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)
(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.
Overall Testing Rank
#419 out of 696 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
30-39%
37%
Reading/Language Arts Test Scores (% Proficient)
40-49%
46%
Science Test Scores (% Proficient)
<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
Chronically Absent Students
(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
School District Name
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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