For the 2025 school year, there are 6 public schools serving 906 students in Custer County, SD.
The top ranked public schools in Custer County, SD are Custer High School - 01, Custer Jr. High - 05 and Custer Elementary - 02. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Custer County, SD public schools have an average math proficiency score of 40% (versus the South Dakota public school average of 43%), and reading proficiency score of 52% (versus the 51% statewide average). Schools in Custer County have an average ranking of 4/10, which is in the bottom 50% of South Dakota public schools.
Minority enrollment is 15% 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 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.
Custer Jr. High - 05
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
1645 Wildcat Ln
Custer, SD 57730
(605) 673-4473
Custer, SD 57730
(605) 673-4473
Grades: 7-8
| 103 students
Rank: #33.
Custer Elementary - 02
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
1415 Wildcat Ln
Custer, SD 57730
(605) 673-4483
Custer, SD 57730
(605) 673-4483
Grades: K-6
| 293 students
Rank: #44.
Hermosa Elementary - 04
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
2/
Bottom 50%10
11 4th St
Hermosa, SD 57744
(605) 255-4345
Hermosa, SD 57744
(605) 255-4345
Grades: K-6
| 175 students
Rank: #55.
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
Rank: n/an/a
11 4th St
Hermosa, SD 57744
(605) 255-4345
Hermosa, SD 57744
(605) 255-4345
Grades: 7-8
| 54 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 schools in Custer County, SD?
The top ranked public schools in Custer County, SD include Custer High School - 01, Custer Jr. High - 05 and Custer Elementary - 02.
How many public schools are located in Custer County?
6 public schools are located in Custer County.
What is the racial composition of students in Custer County?
Custer County public schools minority enrollment is 15% of the student body (majority Hispanic), which is less than the South Dakota public schools average of 33% (majority American Indian).
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