For the 2025 school year, there are 2 public high schools serving 362 students in Grant County, SD. The top ranked public high school in Grant County, SD is Milbank High School - 01. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Grant County, SD public high schools have an average math proficiency score of 37% (versus the South Dakota public high school average of 40%), and reading proficiency score of 72% (versus the 63% statewide average). High schools in Grant County have an average ranking of 8/10, which is in the top 30% of South Dakota public high schools.
Grant County, SD public high school have a Graduation Rate of 92%, which is more than the South Dakota average of 81%.
The school with highest graduation rate is Milbank High School - 01, with 90-94% 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).
Best Public High Schools in Grant County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Milbank High School - 01
(Math: 35-39% | Reading: 70-74%)
Rank:
Rank:
7/
Top 50%10
1001 E Park Ave
Milbank, SD 57252
(605) 432-5546
Milbank, SD 57252
(605) 432-5546
Grades: 9-12
| 362 students
Rank: n/an/a
200 Trojan Dr
Big Stone City, SD 57216
(605) 862-8108
Big Stone City, SD 57216
(605) 862-8108
Grades: K-12
| n/a students
Grant County Public Schools (Closed)
School
Location
Grades
Students
15765 484th Ave
Revillo, SD 57259
(605) 432-6615
Revillo, SD 57259
(605) 432-6615
Grades: K-8
| 10 students
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Grades: K-5
| 27 students
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Grades: 9-12
| 17 students
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Grades: 6-8
| 16 students
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Grades: PK
| 2 students
Frequently Asked Questions
What are the top ranked public high schools in Grant County, SD?
The top ranked public high schools in Grant County, SD include Milbank High School - 01. Grant County has one of the highest concentrations of top ranked public schools in South Dakota.
How many public high schools are located in Grant County?
2 public high schools are located in Grant County.
What is the racial composition of students in Grant County?
Grant County public high schools minority enrollment is 18% of the student body (majority Hispanic), which is less than the South Dakota public high schools average of 35% (majority American Indian).
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