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Best Valley County Public High Schools (2026)

For the 2026 school year, there are 5 public high schools serving 315 students in Valley County, MT.
The top-ranked public high schools in Valley County, MT are Nashua High School, Hinsdale High School and Frazer High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Valley County, MT public high schools have an average math proficiency score of 31% (versus the Montana public high school average of 32%), and reading proficiency score of 46% (versus the 43% statewide average). High schools in Valley County have an average ranking of 6/10, which is in the top 50% of Montana public high schools.
Valley County, MT public high school have a Graduation Rate of 78%, which is less than the Montana average of 83%.
The school with highest graduation rate is Glasgow High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Montana or national school graduation rate statistics.
Minority enrollment is 22% of the student body (majority American Indian), which is less than the Montana public high school average of 23% (majority American Indian).

Best Public High Schools in Valley County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Nashua High School
(Math: <50% | Reading: ≥50%)
Rank:
9/
10
Top 20%
222 Mabel
Nashua, MT 59248
(406) 746-3411
Gr: 9-12 | 31 students Student-teacher ratio: 8:1 Minority enrollment: 26%
Rank: #22.
Hinsdale High School
(Math: <50% | Reading: <50% )
Rank:
8/
10
Top 30%
600 North Montana
Hinsdale, MT 59241
(406) 364-2314
Gr: 9-12 | 19 students Student-teacher ratio: 4:1 Minority enrollment: 11%
Rank: #33.
Frazer High School
(Math: <50% | Reading: <50% )
Rank:
7/
10
Top 50%
325 6th Street
Frazer, MT 59225
(406) 695-2241
Gr: 9-12 | 29 students Student-teacher ratio: 6:1
Rank: #44.
Glasgow High School
(Math: 20-29% | Reading: 40-49%)
Rank:
3/
10
Bottom 50%
175 Aberdeen Street
Glasgow, MT 59230
(406) 228-2485
Gr: 9-12 | 228 students Student-teacher ratio: 12:1 Minority enrollment: 12%
Rank: n/an/a
Opheim High School
100 Rock St
Opheim, MT 59250
(406) 762-3214
Gr: 9-12 | 8 students Student-teacher ratio: 8:1 Minority enrollment: 25%
[+] Show Closed Public Schools in Valley County, MT

Valley County Public Schools (Closed)

School
Location
Quick Facts
11 Laser Drive
Glasgow, MT 59230
(406) 228-8268
Gr: 4-6 | 186 students Student-teacher ratio: 12:1 Minority enrollment: 11%
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
What are the top-ranked public high schools in Valley County, MT?
The top-ranked public high schools in Valley County, MT include Nashua High School, Hinsdale High School and Frazer High School.
How many public high schools are located in Valley County?
5 public high schools are located in Valley County.
What is the racial composition of students in Valley County?
Valley County public high schools minority enrollment is 22% of the student body (majority American Indian), which is less than the Montana public high schools average of 23% (majority American Indian).

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