For the 2026 school year, there are 2 public high schools serving 173 students in Mellette, SD.
The top-ranked public high schools in Mellette, SD are Northwestern High School - 01 and Isucceed - 92. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mellette, SD public high schools have an average math proficiency score of 33% (versus the South Dakota public high school average of 40%), and reading proficiency score of 80% (versus the 63% statewide average). High schools in Mellette have an average ranking of 6/10, which is in the top 50% of South Dakota public high schools.
Mellette, SD public high school have a Graduation Rate of 68%, which is less than the South Dakota average of 82%.
The school with highest graduation rate is Northwestern High School - 01, with ≥80% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.
Minority enrollment is 12% of the student body (majority Hispanic and American Indian), which is less than the South Dakota public high school average of 36% (majority American Indian).
Best Public High Schools in Mellette, SD (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Northwestern High School - 01
(Math: 40-59% | Reading: ≥80%)
Rank:
Rank:
9/
Top 20%10
221 3rd St
Mellette, SD 57461
(605) 887-3467
Mellette, SD 57461
(605) 887-3467
Gr: 9-12 | 91 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Rank: #22.
Isucceed - 92
(Math: <50% | Reading: <50% )
Rank:
Rank:
6/
Top 50%10
221 3rd St
Mellette, SD 57461
(605) 887-3467
Mellette, SD 57461
(605) 887-3467
Gr: 9-12 | 82 students Student-teacher ratio: 82:1 Minority enrollment: 19%
Frequently Asked Questions
What are the top-ranked public high schools in Mellette, SD?
The top-ranked public high schools in Mellette, SD include Northwestern High School - 01 and Isucceed - 92.
How many public high schools are located in Mellette?
2 public high schools are located in Mellette.
What is the racial composition of students in Mellette?
Mellette public high schools minority enrollment is 12% of the student body (majority Hispanic and American Indian), which is less than the South Dakota public high schools average of 36% (majority American Indian).
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.