For the 2025-26 school year, there are 3 public middle schools serving 229 students in Grant County, SD. The top ranked public middle schools in Grant County, SD are Big Stone City Middle School - 03 and Milbank Middle School - 02. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Grant County, SD public middle schools have an average math proficiency score of 43% (versus the South Dakota public middle school average of 39%), and reading proficiency score of 57% (versus the 49% statewide average). Middle schools in Grant County have an average ranking of 8/10, which is in the top 30% of South Dakota public middle schools.
Minority enrollment is 17% of the student body (majority Hispanic), which is less than the South Dakota public middle school average of 42% (majority American Indian).
Best Public Middle Schools in Grant County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Big Stone City Middle School - 03
(Math: 60-79% | Reading: 60-79%)
Rank:
Rank:
10/
Top 5%10
655 Walnut St
Big Stone City, SD 57216
(605) 862-8108
Big Stone City, SD 57216
(605) 862-8108
Gr: 6-8 | 16 students Student-teacher ratio: 4:1
Rank: #22.
Milbank Middle School - 02
(Math: 41% | Reading: 56%)
Rank:
Rank:
5/
Bottom 50%10
1001 E Park Ave
Milbank, SD 57252
(605) 432-5519
Milbank, SD 57252
(605) 432-5519
Gr: 6-8 | 213 students Student-teacher ratio: 13:1 Minority enrollment: 18%
Grant County Public Schools (Closed)
School
Location
Quick Facts
15765 484th Ave
Revillo, SD 57259
(605) 432-6615
Revillo, SD 57259
(605) 432-6615
Gr: K-8 | 10 students Student-teacher ratio: 10:1
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Gr: K-5 | 27 students Student-teacher ratio: 5:1
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Gr: 9-12 | 17 students Student-teacher ratio: 4:1
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Gr: 6-8 | 16 students Student-teacher ratio: 8:1
16370 482nd Ave
Revillo, SD 57259
(605) 623-4241
Revillo, SD 57259
(605) 623-4241
Gr: PK | 2 students
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
What are the top ranked public middle schools in Grant County, SD?
The top ranked public middle schools in Grant County, SD include Big Stone City Middle School - 03 and Milbank Middle School - 02. Grant County has one of the highest concentrations of top ranked public schools in South Dakota.
How many public middle schools are located in Grant County?
3 public middle schools are located in Grant County.
What is the racial composition of students in Grant County?
Grant County public middle schools minority enrollment is 17% of the student body (majority Hispanic), which is less than the South Dakota public middle schools average of 42% (majority American Indian).
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