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Public School Review - Established 2003

Best Grant County Public Elementary Schools (2026)

For the 2026 school year, there are 6 public elementary schools serving 715 students in Grant County, SD. The top-ranked public elementary 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 elementary schools have an average math proficiency score of 51% (versus the South Dakota public elementary school average of 43%), and reading proficiency score of 64% (versus the 49% statewide average). Elementary schools in Grant County have an average ranking of 9/10, which is in the top 20% of South Dakota public elementary schools.
Minority enrollment is 19% of the student body (majority Hispanic), which is less than the South Dakota public elementary school average of 36% (majority American Indian).

Best Public Elementary Schools in Grant County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Big Stone City Elementary - 01
(Math: ≥80% | Reading: 60-79%)
Rank:
10/
10
Top 5%
655 Walnut St
Big Stone City, SD 57216
(605) 862-8108
Gr: PK-5 | 60 students Student-teacher ratio: 10:1 Minority enrollment: 20%
Rank: #22.
Big Stone City Middle School - 03
(Math: 60-79% | Reading: 60-79%)
Rank:
10/
10
Top 5%
655 Walnut St
Big Stone City, SD 57216
(605) 862-8108
Gr: 6-8 | 19 students Student-teacher ratio: 5:1 Minority enrollment: 5%
Rank: #33.
Milbank Elementary - 03
(Math: 56% | Reading: 70-74%)
Rank:
10/
10
Top 10%
507 S 9th St
Milbank, SD 57252
(605) 432-6615
Gr: PK-5 | 408 students Student-teacher ratio: 12:1 Minority enrollment: 24%
Rank: #44.
Milbank Middle School - 02
(Math: 41% | Reading: 56%)
Rank:
5/
10
Bottom 50%
1001 E Park Ave
Milbank, SD 57252
(605) 432-5519
Gr: 6-8 | 222 students Student-teacher ratio: 13:1 Minority enrollment: 19%
Rank: n/an/a
Blue Sky Colony - 04
15765 484th Ave
Revillo, SD 57259
(605) 432-6615
Gr: K-8 | 10 students Student-teacher ratio: 10:1
Rank: n/an/a
Contract - 02
200 Trojan Dr
Big Stone City, SD 57216
(605) 862-8108
Gr: K-12

Frequently Asked Questions

What are the top-ranked public elementary schools in Grant County, SD?
The top-ranked public elementary 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 elementary schools are located in Grant County?
5 public elementary schools are located in Grant County.
What is the racial composition of students in Grant County?
Grant County public elementary schools minority enrollment is 19% of the student body (majority Hispanic), which is less than the South Dakota public elementary schools average of 36% (majority American Indian).

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