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 51% (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 10/10, which is in the top 10% 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: #11.
Big Stone City Elementary - 01
(Math: ≥80% | 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
Grades: PK-5
| 57 students
Rank: #22.
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
Grades: 6-8
| 16 students
Rank: #33.
Milbank Elementary - 03
(Math: 56% | 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: 50-54% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%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
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).
Recent Articles
Opinion: Handcuffing in Public Schools is a Gateway to More Violence
Some districts are banning handcuffing, while others are cuffing kindergarteners simply throwing a temper tantrum. Read this editorial to see why this author believes slapping the cuffs on children鈥檚 wrists only leads to more behavior issues and violence in their adult lives.
Whooping Cough: Should Vaccinations be Required for Public School Enrollment?
Whopping cough is making a comeback, especially amongst children, prompting health officials to encourage pertussis vaccines and boosters. However, should the pertussis vaccine be required for public school enrollment? Learn about current proposed laws and its ramifications.
What are Common Core Standards and Why Do We Need Them?
With schools nationwide adopting common core standards, we鈥檒l take a look at what they are, their benefits, and how they will change the face of public education.