Sun River Middle School
| Name | Sun River Middle School |
| Grades | Class 06 to Class 08 |
| Address | Box 380 |
| City | Simms |
| School District | Sun River Valley Elem |
| County | Cascade County |
| Zipcode | 59477 |
| Phone No. | (406)264-5110 |
| State | Montana |
| Rural | Remote |
| Students | 57 |
| Teachers | 6 |
| Student Teacher Ratio | 10.3 students per teacher |
| Charter School | N/A |
| Magnet School | N/A |
Sun River Middle School is located at Box 380 in Simms city of Cascade County county in Montana. This school comes under Sun River Valley Elem. You can call them at (406)264-5110 for more details. This is not a magnet school. Total fifty seven students from class 06 to class 08 study in this school who are taught by six teachers. This is not a charter school. The student teacher ratio of this school is 10.3.