For the 2026 school year, there are 2 public high schools serving 152 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 6% of the student body (majority American Indian and Black), which is less than the South Dakota public high school average of 35% (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 | 88 students Student-teacher ratio: 13:1 Minority enrollment: 3%
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 | 64 students Student-teacher ratio: 64:1 Minority enrollment: 9%
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 6% of the student body (majority American Indian and Black), which is less than the South Dakota public high schools average of 35% (majority American Indian).
Recent Articles
Preventing Suicide in Schools: 2026 Guide for Educators
Learn updated 2026 strategies for preventing suicide in schools, including warning signs, intervention plans, and school-wide mental health support.
The Impact of Social Media on Students (2026 Update)
Explore the impact of social media on students in 2026, including academic, mental health, and safety insights for parents and educators.
Building a Summer Reading Plan That Keeps Kids Engaged
Learn how to build a summer reading plan that keeps kids engaged, motivated, and improving literacy skills throughout the break.