For the 2026 school year, there is 1 public middle school serving 88 students in Mellette County, SD.
The top-ranked public middle school in Mellette County, SD is White River Middle School - 04. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mellette County, SD public middle school have an average math proficiency score of 12% (versus the South Dakota public middle school average of 39%), and reading proficiency score of 37% (versus the 49% statewide average). Middle schools in Mellette County have an average ranking of 1/10, which is in the bottom 50% of South Dakota public middle schools.
Minority enrollment is 93% of the student body (majority American Indian), which is more than the South Dakota public middle school average of 42% (majority American Indian).
Best Public Middle Schools in Mellette County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
White River Middle School - 04
(Math: 10-14% | Reading: 35-39%)
Rank:
Rank:
1/
Bottom 50%10
501 E 3rd St
White River, SD 57579
(605) 259-3135
White River, SD 57579
(605) 259-3135
Gr: 6-8 | 93 students Student-teacher ratio: 12:1 Minority enrollment: 97%
Frequently Asked Questions
What are the top-ranked public middle schools in Mellette County, SD?
The top-ranked public middle schools in Mellette County, SD include White River Middle School - 04.
How many public middle schools are located in Mellette County?
1 public middle schools are located in Mellette County.
What is the racial composition of students in Mellette County?
Mellette County public middle schools minority enrollment is 93% of the student body (majority American Indian), which is more than the South Dakota public middle schools average of 42% (majority American Indian).
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