Top 3 Best Union County Public High Schools (2025)

For the 2025 school year, there are 4 public high schools serving 1,007 students in Union County, SD.

The top ranked public high schools in Union County, SD are Dakota Valley High School - 01, Elk Point-jefferson High School - 01 and Alcester-hudson High School - 01. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Union County, SD public high schools have an average math proficiency score of 44% (versus the South Dakota public high school average of 40%), and reading proficiency score of 61% (versus the 63% statewide average). High schools in Union County have an average ranking of 6/10, which is in the top 50% of South Dakota public high schools.

Union County, SD public high school have a Graduation Rate of 90%, which is more than the South Dakota average of 81%.

The school with highest graduation rate is Dakota Valley High School - 01, with ≥95% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.

Minority enrollment is 15% of the student body (majority Hispanic), which is less than the South Dakota public high school average of 35% (majority American Indian).