Best Sully County Public High Schools (2026)

For the 2026 school year, there is 1 public high school serving 72 students in Sully County, SD.

The top-ranked public high school in Sully County, SD is Sully Buttes High School - 07. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Sully County, SD public high school have an average math proficiency score of 50% (versus the South Dakota public high school average of 40%), and reading proficiency score of 49% (versus the 63% statewide average). High schools in Sully County have an average ranking of 6/10, which is in the top 50% of South Dakota public high schools.

Sully County, SD public high school have a Graduation Rate of 80%, which is less than the South Dakota average of 82%.

The school with highest graduation rate is Sully Buttes High School - 07, with ≥80% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.

Minority enrollment is 17% of the student body (majority American Indian), which is less than the South Dakota public high school average of 35% (majority American Indian).