For the 2026 school year, there are 2 public high schools serving 281 students in Custer County, SD.
The top-ranked public high school in Custer County, SD is Custer High School - 01. 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 42% (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 92%, which is more than the South Dakota average of 82%.
The school with highest graduation rate is Custer High School - 01, with 90-94% 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 36% (majority American Indian).
Best Public High Schools in Custer County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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 | 272 students Student-teacher ratio: 14:1 Minority enrollment: 15%
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 | 16 students Student-teacher ratio: 16:1 Minority enrollment: 19%
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.
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 36% (majority American Indian).
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