For the 2026 school year, there are 3 public high schools serving 143 students in Sheridan County, MT.
The top-ranked public high schools in Sheridan County, MT are Medicine Lake High School, Westby High School and Plentywood High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Sheridan County, MT public high schools have an average math proficiency score of 30% (versus the Montana public high school average of 32%), and reading proficiency score of 50% (versus the 43% statewide average). High schools in Sheridan County have an average ranking of 7/10, which is in the top 50% of Montana public high schools.
Sheridan County, MT public high school have a Graduation Rate of 70%, which is less than the Montana average of 83%.
The school with highest graduation rate is Plentywood High School, with ≥80% graduation rate. Read more about public school graduation rate statistics in Montana or national school graduation rate statistics.
Minority enrollment is 12% of the student body (majority Hispanic), which is less than the Montana public high school average of 23% (majority American Indian).
Best Public High Schools in Sheridan County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #1 - 21. - 2.
Medicine Lake High School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
311 Young St
Medicine Lake, MT 59247
(406) 789-2211
Medicine Lake, MT 59247
(406) 789-2211
Gr: 9-12 | 22 students Student-teacher ratio: 6:1 Minority enrollment: 9%
Rank: #1 - 21. - 2.
Westby High School
(Math: <50% | Reading: <50% )
Rank:
Rank:
8/
Top 30%10
101 5th Ave East
Westby, MT 59275
(406) 385-2225
Westby, MT 59275
(406) 385-2225
Gr: 9-12 | 19 students Student-teacher ratio: 5:1 Minority enrollment: 16%
Rank: #33.
Plentywood High School
(Math: 21-39% | Reading: 40-59%)
Rank:
Rank:
5/
Bottom 50%10
100 East Laurel Avenue
Plentywood, MT 59254
(406) 765-1803
Plentywood, MT 59254
(406) 765-1803
Gr: 9-12 | 102 students Student-teacher ratio: 11:1 Minority enrollment: 12%
Sheridan County Public Schools (Closed)
School
Location
Quick Facts
Box 296
Outlook, MT 59252
(406) 895-2465
Outlook, MT 59252
(406) 895-2465
Gr: 7-8 | 2 students Student-teacher ratio: 2:1 Minority enrollment: 50%
Frequently Asked Questions
What are the top-ranked public high schools in Sheridan County, MT?
The top-ranked public high schools in Sheridan County, MT include Medicine Lake High School, Westby High School and Plentywood High School.
How many public high schools are located in Sheridan County?
3 public high schools are located in Sheridan County.
What is the racial composition of students in Sheridan County?
Sheridan County public high schools minority enrollment is 12% of the student body (majority Hispanic), which is less than the Montana public high schools average of 23% (majority American Indian).
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