For the 2025 school year, there are 3 public high schools serving 424 students in Hamlin County, SD.
The top ranked public high schools in Hamlin County, SD are Castlewood High School - 01, Hamlin High School - 01 and Estelline High School - 01. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Hamlin County, SD public high schools have an average math proficiency score of 32% (versus the South Dakota public high school average of 40%), and reading proficiency score of 51% (versus the 63% statewide average). High schools in Hamlin County have an average ranking of 3/10, which is in the bottom 50% of South Dakota public high schools.
Hamlin County, SD public high school have a Graduation Rate of 80%, which is less than the South Dakota average of 81%.
The school with highest graduation rate is Hamlin High School - 01, with ≥90% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.
Minority enrollment is 10% of the student body (majority Hispanic), which is less than the South Dakota public high school average of 35% (majority American Indian).
Best Public High Schools in Hamlin County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Castlewood High School - 01
(Math: ≥50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
310 E Harry St
Castlewood, SD 57223
(605) 793-2497
Castlewood, SD 57223
(605) 793-2497
Grades: 9-12
| 106 students
Rank: #22.
Hamlin High School - 01
(Math: 30-34% | Reading: 55-59%)
Rank:
Rank:
5/
Bottom 50%10
44577 188th St
Hayti, SD 57241
(605) 783-3644
Hayti, SD 57241
(605) 783-3644
Grades: 9-12
| 232 students
Rank: #33.
Estelline High School - 01
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
2/
Bottom 50%10
708 Davis Ave
Estelline, SD 57234
(605) 873-2201
Estelline, SD 57234
(605) 873-2201
Grades: 9-12
| 86 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 high schools in Hamlin County, SD?
The top ranked public high schools in Hamlin County, SD include Castlewood High School - 01, Hamlin High School - 01 and Estelline High School - 01.
How many public high schools are located in Hamlin County?
3 public high schools are located in Hamlin County.
What is the racial composition of students in Hamlin County?
Hamlin County public high schools minority enrollment is 10% of the student body (majority Hispanic), which is less than the South Dakota public high schools average of 35% (majority American Indian).
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