Best Mellette County Public Middle Schools (2026)

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).