For the 2026 school year, there is 1 public high school serving 118 students in Mellette County, SD.
The top-ranked public high school in Mellette County, SD is White River High School - 01. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mellette County, SD public high school have an average math proficiency score of 20% (versus the South Dakota public high school average of 40%), and reading proficiency score of 50% (versus the 63% statewide average). High schools in Mellette County have an average ranking of 1/10, which is in the bottom 50% of South Dakota public high schools.
Mellette County, SD public high school have a Graduation Rate of 70%, which is less than the South Dakota average of 82%.
The school with highest graduation rate is White River High School - 01, with 60-79% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.
Minority enrollment is 88% of the student body (majority American Indian), which is more than the South Dakota public high school average of 36% (majority American Indian).
Best Public High Schools in Mellette County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
White River High School - 01
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
3/
Bottom 50%10
501 E 3rd St
White River, SD 57579
(605) 259-3136
White River, SD 57579
(605) 259-3136
Gr: 9-12 | 112 students Student-teacher ratio: 9:1 Minority enrollment: 88%
Frequently Asked Questions
What are the top-ranked public high schools in Mellette County, SD?
The top-ranked public high schools in Mellette County, SD include White River High School - 01.
How many public high schools are located in Mellette County?
1 public high schools are located in Mellette County.
What is the racial composition of students in Mellette County?
Mellette County public high schools minority enrollment is 88% of the student body (majority American Indian), which is more than the South Dakota public high schools average of 36% (majority American Indian).
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