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For the 2025-26 school year, there are 2 public high schools serving 1,054 students in Yankton County, SD.

The top ranked public high schools in Yankton County, SD are Yankton High School - 01 and Gayville-volin High School - 01. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Yankton 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 72% (versus the 63% statewide average). High schools in Yankton County have an average ranking of 9/10, which is in the top 20% of South Dakota public high schools.

Yankton County, SD public high school have a Graduation Rate of 93%, which is more than the South Dakota average of 82%.

The school with highest graduation rate is Yankton High School - 01, with 94% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.

Minority enrollment is 18% of the student body (majority Hispanic), which is less than the South Dakota public high school average of 35% (majority American Indian).