For the 2025 school year, there are 4 public middle schools serving 323 students in Hamlin County, SD.
The top ranked public middle schools in Hamlin County, SD are Claremont Colony Elementary - 04, Castlewood Middle School - 03 and Estelline Middle School - 03. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Hamlin County, SD public middle schools have an average math proficiency score of 50% (versus the South Dakota public middle school average of 39%), and reading proficiency score of 45% (versus the 49% statewide average). Middle schools in Hamlin County have an average ranking of 6/10, which is in the top 50% of South Dakota public middle schools.
Minority enrollment is 8% 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 Hamlin County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Claremont Colony Elementary - 04
(Math: <50% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
46271 184th St
Castlewood, SD 57223
(605) 793-2497
Castlewood, SD 57223
(605) 793-2497
Grades: K-8
| 15 students
Rank: #22.
Castlewood Middle School - 03
(Math: 40-44% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
310 E Harry St
Castlewood, SD 57223
(605) 793-2497
Castlewood, SD 57223
(605) 793-2497
Grades: 6-8
| 73 students
Rank: #3 - 43. - 4.
Estelline Middle School - 03
(Math: 50-54% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
708 Davis Ave
Estelline, SD 57234
(605) 873-2201
Estelline, SD 57234
(605) 873-2201
Grades: 6-8
| 53 students
Rank: #3 - 43. - 4.
Hamlin Middle School - 02
(Math: 50-54% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
44577 188th St
Hayti, SD 57241
(605) 783-3644
Hayti, SD 57241
(605) 783-3644
Grades: 6-8
| 182 students
Hamlin County Public Schools (Closed)
School
Location
Grades
Students
404 6th St N
Estelline, SD 57234
(605) 873-2201
Estelline, SD 57234
(605) 873-2201
Grades: PK-5
| 136 students
Ne Ed Services Cooperative - 01 (Closed 2009)
Special Education School
310 5th St
Hayti, SD 57241
(605) 783-3607
Hayti, SD 57241
(605) 783-3607
Grades: K-12
| n/a students
Frequently Asked Questions
What are the top ranked public middle schools in Hamlin County, SD?
The top ranked public middle schools in Hamlin County, SD include Claremont Colony Elementary - 04, Castlewood Middle School - 03 and Estelline Middle School - 03.
How many public middle schools are located in Hamlin County?
4 public middle schools are located in Hamlin County.
What is the racial composition of students in Hamlin County?
Hamlin County public middle schools minority enrollment is 8% of the student body (majority Hispanic), which is less than the South Dakota public middle schools average of 42% (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.