For the 2025 school year, there are 2 public high schools serving 281 students in Custer County, SD.
The top ranked public high schools in Custer County, SD are Custer High School - 01 and A.c.e. High Academy - 06. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Custer County, SD public high schools have an average math proficiency score of 37% (versus the South Dakota public high school average of 40%), and reading proficiency score of 77% (versus the 63% statewide average). High schools in Custer County have an average ranking of 9/10, which is in the top 20% of South Dakota public high schools.
Custer County, SD public high school have a Graduation Rate of 77%, which is less than the South Dakota average of 81%.
The school with highest graduation rate is Custer High School - 01, with 75-79% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.
Minority enrollment is 16% 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 Custer County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Custer High School - 01
(Math: 35-39% | Reading: 75-79%)
Rank:
Rank:
8/
Top 30%10
1645 Wildcat Ln
Custer, SD 57730
(605) 673-4473
Custer, SD 57730
(605) 673-4473
Grades: 9-12
| 262 students
Rank: #22.
A.c.e. High Academy - 06
Alternative School
(Math: ≥50% | Reading: <50% )
Rank:
Rank:
2/
Bottom 50%10
527 Montgomery St
Custer, SD 57730
(605) 673-4473
Custer, SD 57730
(605) 673-4473
Grades: 9-12
| 19 students
Custer County Public Schools (Closed)
School
Location
Grades
Students
Star Evergreen High School (Closed 2023)
Alternative School
12279 Brady Dr
Custer, SD 57730
(605) 673-2521
Custer, SD 57730
(605) 673-2521
Grades: 9-12
| n/a students
Star Evergreen Junior High School (Closed 2023)
Alternative School
12279 Brady Dr
Custer, SD 57730
(605) 673-2521
Custer, SD 57730
(605) 673-2521
Grades: 7-8
| n/a students
Frequently Asked Questions
What are the top ranked public high schools in Custer County, SD?
The top ranked public high schools in Custer County, SD include Custer High School - 01 and A.c.e. High Academy - 06.
How many public high schools are located in Custer County?
2 public high schools are located in Custer County.
What is the racial composition of students in Custer County?
Custer County public high schools minority enrollment is 16% 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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