For the 2025-26 school year, there are 4 public schools serving 677 students in Custer, SD.
The top ranked public schools in Custer, SD are Custer Elementary - 02, Custer High School - 01 and Custer Jr. High - 05. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Custer, SD public schools have an average math proficiency score of 51% (versus the South Dakota public school average of 43%), and reading proficiency score of 58% (versus the 51% statewide average). Schools in Custer have an average ranking of 8/10, which is in the top 30% 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, SD (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Custer Elementary - 02
(Math: 60-64% | Reading: 50-54%)
Rank:
Rank:
8/
Top 30%10
1415 Wildcat Ln
Custer, SD 57730
(605) 673-4483
Custer, SD 57730
(605) 673-4483
Gr: K-6 | 293 students Student-teacher ratio: 11:1 Minority enrollment: 15%
Rank: #22.
Custer High School - 01
(Math: 40-44% | Reading: 75-79%)
Rank:
Rank:
8/
Top 30%10
1645 Wildcat Ln
Custer, SD 57730
(605) 673-4473
Custer, SD 57730
(605) 673-4473
Gr: 9-12 | 262 students Student-teacher ratio: 13:1 Minority enrollment: 16%
Rank: #33.
Custer Jr. High - 05
(Math: 35-39% | Reading: 55-59%)
Rank:
Rank:
5/
Bottom 50%10
1645 Wildcat Ln
Custer, SD 57730
(605) 673-4473
Custer, SD 57730
(605) 673-4473
Gr: 7-8 | 103 students Student-teacher ratio: 15:1 Minority enrollment: 14%
Rank: n/an/a
A.c.e. High Academy - 06
Alternative School
527 Montgomery St
Custer, SD 57730
(605) 673-4473
Custer, SD 57730
(605) 673-4473
Gr: 9-12 | 19 students Student-teacher ratio: 19:1 Minority enrollment: 16%
Custer, South Dakota Public Schools (Closed)
School
Location
Quick Facts
Star Evergreen High School (Closed 2023)
Alternative School
12279 Brady Dr
Custer, SD 57730
(605) 673-2521
Custer, SD 57730
(605) 673-2521
Gr: 9-12
Star Evergreen Junior High School (Closed 2023)
Alternative School
12279 Brady Dr
Custer, SD 57730
(605) 673-2521
Custer, SD 57730
(605) 673-2521
Gr: 7-8
Frequently Asked Questions
What are the top ranked public schools in Custer, SD?
The top ranked public schools in Custer, SD include Custer Elementary - 02, Custer High School - 01 and Custer Jr. High - 05.
How many public schools are located in Custer?
4 public schools are located in Custer.
What is the racial composition of students in Custer?
Custer 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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