For the 2025 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 37% (versus the Montana public high school average of 27%), and reading proficiency score of 50% (versus the 43% statewide average). High schools in Sheridan County have an average ranking of 9/10, which is in the top 20% of Montana public high schools.
Sheridan County, MT public high school have a Graduation Rate of 73%, 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 (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
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
Grades: 9-12
| 22 students
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
Grades: 9-12
| 19 students
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
Grades: 9-12
| 102 students
Sheridan County Public Schools (Closed)
School
Location
Grades
Students
Box 296
Outlook, MT 59252
(406) 895-2465
Outlook, MT 59252
(406) 895-2465
Grades: 7-8
| 2 students
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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