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For the 2025-26 school year, there are 2 public middle schools serving 439 students in Lyman County, SD.

The top ranked public middle school in Lyman County, SD is Lyman Middle School - 02. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Lyman County, SD public middle schools have an average math proficiency score of 27% (versus the South Dakota public middle school average of 39%), and reading proficiency score of 42% (versus the 49% statewide average). Middle schools in Lyman County have an average ranking of 2/10, which is in the bottom 50% of South Dakota public middle schools.

Minority enrollment is 90% of the student body (majority American Indian), which is more than the South Dakota public middle school average of 42% (majority American Indian).