For the 2025 school year, there are 6 public schools serving 1,077 students in Grant County, SD (there are , serving 138 private students). 89% of all K-12 students in Grant County, SD are educated in public schools (compared to the SD state average of 91%). Grant County has one of the highest concentrations of top ranked public schools in South Dakota.
The top ranked public schools in Grant County, SD are Big Stone City Elementary - 01, Big Stone City Middle School - 03 and Milbank Elementary - 03. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Grant County, SD public schools have an average math proficiency score of 50% (versus the South Dakota public school average of 43%), and reading proficiency score of 65% (versus the 51% statewide average). Schools in Grant County have an average ranking of 9/10, which is in the top 20% of South Dakota public schools.
Minority enrollment is 19% of the student body (majority Hispanic), which is less than the South Dakota public school average of 33% (majority American Indian).
Best Public Schools in Grant County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #1 - 21. - 2.
Big Stone City Elementary - 01
(Math: 60-79% | Reading: 60-79%)
Rank:
Rank:
10/
Top 10%10
655 Walnut St
Big Stone City, SD 57216
(605) 862-8108
Big Stone City, SD 57216
(605) 862-8108
Grades: PK-5
| 57 students
Rank: #1 - 21. - 2.
Big Stone City Middle School - 03
(Math: 60-79% | Reading: 60-79%)
Rank:
Rank:
10/
Top 10%10
655 Walnut St
Big Stone City, SD 57216
(605) 862-8108
Big Stone City, SD 57216
(605) 862-8108
Grades: 6-8
| 16 students
Rank: #33.
Milbank Elementary - 03
(Math: 60-64% | Reading: 70-74%)
Rank:
Rank:
10/
Top 10%10
507 S 9th St
Milbank, SD 57252
(605) 432-6615
Milbank, SD 57252
(605) 432-6615
Grades: PK-5
| 429 students
Rank: #44.
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: #55.
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
Grades: 6-8
| 213 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
<麻豆果冻传媒 class='so-dt-title' id='faq'>Frequently Asked Questions
What are the top ranked public schools in Grant County, SD?
The top ranked public schools in Grant County, SD include Big Stone City Elementary - 01, Big Stone City Middle School - 03 and Milbank Elementary - 03. Grant County has one of the highest concentrations of top ranked public schools in South Dakota.
How many public schools are located in Grant County?
6 public schools are located in Grant County.
What percentage of students in Grant County go to public school?
89% of all K-12 students in Grant County are educated in public schools (compared to the SD state average of 91%).
What is the racial composition of students in Grant County?
Grant County public schools minority enrollment is 19% of the student body (majority Hispanic), which is less than the South Dakota public schools average of 33% (majority American Indian).
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