For the 2025 school year, there is 1 public high school serving 492 students in Custer County, MT.
The top ranked public high school in Custer County, MT is Custer Co District High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Custer County, MT public high school have an average math proficiency score of 22% (versus the Montana public high school average of 32%), and reading proficiency score of 37% (versus the 43% statewide average). High schools in Custer County have an average ranking of 3/10, which is in the bottom 50% of Montana public high schools.
Custer County, MT public high school have a Graduation Rate of 82%, which is less than the Montana average of 83%.
The school with highest graduation rate is Custer Co District High School, with 80-84% graduation rate. Read more about public school graduation rate statistics in Montana or national school graduation rate statistics.
Minority enrollment is 10% of the student body (majority Hispanic and American Indian), which is less than the Montana public high school average of 23% (majority American Indian).
Best ºÚÁÏÍø¹ÙÍø High Schools in Custer County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Custer Co District High School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
2/
Bottom 50%10
20 South Center Ave
Miles City, MT 59301
(406) 234-4920
Miles City, MT 59301
(406) 234-4920
Gr: 9-12 | 492 students Student-teacher ratio: 16:1 Minority enrollment: 10%
Custer County ºÚÁÏÍø¹ÙÍø 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 high schools in Custer County, MT?
The top ranked public high schools in Custer County, MT include Custer Co District High School.
How many public high schools are located in Custer County?
1 public high schools are located in Custer County.
What is the racial composition of students in Custer County?
Custer County public high schools minority enrollment is 10% of the student body (majority Hispanic and American Indian), which is less than the Montana public high schools average of 23% (majority American Indian).
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