For the 2026-27 school year, there are 4 public middle schools serving 421 students in Custer County, MT.
The top-ranked public middle schools in Custer County, MT are Riverview School, S Y School and Kircher School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Custer County, MT public middle schools have an average math proficiency score of 30% (versus the Montana public middle school average of 34%), and reading proficiency score of 44% (versus the 47% statewide average). Middle schools in Custer County have an average ranking of 4/10, which is in the bottom 50% of Montana public middle schools.
Minority enrollment is 11% of the student body (majority American Indian), which is less than the Montana public middle school average of 23% (majority American Indian).
Best Public Middle Schools in Custer County (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Riverview School
(Math: ≥50% | Reading: ≥50% )
Rank:
Rank:
9/
Top 20%10
1734 Road 506
Miles City, MT 59301
(406) 421-5503
Miles City, MT 59301
(406) 421-5503
Gr: PK-8 | 8 students Student-teacher ratio: 8:1
Rank: #22.
S Y School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
1 Road 664
Miles City, MT 59301
(406) 421-5526
Miles City, MT 59301
(406) 421-5526
Gr: PK-8 | 6 students Student-teacher ratio: 6:1
Rank: #33.
Kircher School
(Math: 50-59% | Reading: 21-39%)
Rank:
Rank:
6/
Top 50%10
331 Kircher Creek Road
Miles City, MT 59301
(406) 234-2761
Miles City, MT 59301
(406) 234-2761
Gr: PK-8 | 51 students Student-teacher ratio: 13:1 Minority enrollment: 14%
Rank: #44.
Washington Middle School 6-8
(Math: 27% | Reading: 46%)
Rank:
Rank:
3/
Bottom 50%10
210 North 9th
Miles City, MT 59301
(406) 234-2084
Miles City, MT 59301
(406) 234-2084
Gr: 6-8 | 326 students Student-teacher ratio: 14:1 Minority enrollment: 9%
Custer County Public Schools (Closed)
School
Location
Quick Facts
1533 Road 403
Ismay, MT 59336
(406) 772-5888
Ismay, MT 59336
(406) 772-5888
Gr: PK-8 | 4 students Student-teacher ratio: 4:1
Frequently Asked Questions
What are the top-ranked public middle schools in Custer County, MT?
The top-ranked public middle schools in Custer County, MT include Riverview School, S Y School and Kircher School.
How many public middle schools are located in Custer County?
6 public middle schools are located in Custer County.
What is the racial composition of students in Custer County?
Custer County public middle schools minority enrollment is 11% of the student body (majority American Indian), which is less than the Montana public middle schools average of 23% (majority American Indian).
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