For the 2026 school year, there are 7 public schools serving 774 students in Walworth County, SD (there are , serving 121 private students). 86% of all K-12 students in Walworth County, SD are educated in public schools (compared to the SD state average of 91%).
The top-ranked public schools in Walworth County, SD are Mobridge Upper Elementary - 04, Selby Elementary - 02 and Selby Middle School - 03. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Walworth County, SD public schools have an average math proficiency score of 46% (versus the South Dakota public school average of 43%), and reading proficiency score of 57% (versus the 51% statewide average). Schools in Walworth County have an average ranking of 8/10, which is in the top 30% of South Dakota public schools.
Minority enrollment is 34% of the student body (majority American Indian), which is more than the South Dakota public school average of 33% (majority American Indian).
Best Public Schools in Walworth County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Mobridge Upper Elementary - 04
(Math: 60-64% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
1107 1st Ave E
Mobridge, SD 57601
(605) 845-9210
Mobridge, SD 57601
(605) 845-9210
Gr: 3-5 | 144 students Student-teacher ratio: 14:1 Minority enrollment: 37%
Rank: #2 - 32. - 3.
Selby Elementary - 02
(Math: 40-49% | Reading: 60-69%)
Rank:
Rank:
8/
Top 30%10
108 E Dakota St
Selby, SD 57472
(605) 649-7818
Selby, SD 57472
(605) 649-7818
Gr: PK-5 | 85 students Student-teacher ratio: 9:1 Minority enrollment: 11%
Rank: #2 - 32. - 3.
Selby Middle School - 03
(Math: 40-49% | Reading: 60-69%)
Rank:
Rank:
8/
Top 30%10
108 E Dakota St
Selby, SD 57472
(605) 649-7818
Selby, SD 57472
(605) 649-7818
Gr: 6-8 | 46 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #44.
Selby High School - 01
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
7/
Top 50%10
108 E Dakota St
Selby, SD 57472
(605) 649-7818
Selby, SD 57472
(605) 649-7818
Gr: 9-12 | 52 students Student-teacher ratio: 9:1 Minority enrollment: 10%
Rank: #55.
Mobridge Middle School - 02
(Math: 35-39% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
1107 1st Ave E
Mobridge, SD 57601
(605) 845-9210
Mobridge, SD 57601
(605) 845-9210
Gr: 6-8 | 111 students Student-teacher ratio: 14:1 Minority enrollment: 51%
Rank: #66.
Mobridge High School - 01
(Math: 20-29% | Reading: 60-69%)
Rank:
Rank:
5/
Bottom 50%10
1107 1st Ave E
Mobridge, SD 57601
(605) 845-9202
Mobridge, SD 57601
(605) 845-9202
Gr: 9-12 | 190 students Student-teacher ratio: 14:1 Minority enrollment: 43%
Rank: n/an/a
601 E 4th Ave
Mobridge, SD 57601
(605) 845-9275
Mobridge, SD 57601
(605) 845-9275
Gr: K-2 | 146 students Student-teacher ratio: 13:1 Minority enrollment: 37%
Frequently Asked Questions
What are the top-ranked public schools in Walworth County, SD?
The top-ranked public schools in Walworth County, SD include Mobridge Upper Elementary - 04, Selby Elementary - 02 and Selby Middle School - 03.
How many public schools are located in Walworth County?
7 public schools are located in Walworth County.
What percentage of students in Walworth County go to public school?
86% of all K-12 students in Walworth County are educated in public schools (compared to the SD state average of 91%).
What is the racial composition of students in Walworth County?
Walworth County public schools minority enrollment is 34% of the student body (majority American Indian), which is more than the South Dakota public schools average of 33% (majority American Indian).
Recent Articles
Helping Children Overcome First-Week School Anxiety
Learn practical strategies to help children overcome first-week school anxiety, with expert-backed tips for parents and educators.
Public School Immunization Requirements 2026–2027
Learn public school immunization and health requirements for 2026–2027, including vaccines, exemptions, and state policy updates.
Public Schools in a Minute: 2026 Snapshot Guide
A clear 2026 snapshot of public schools in the U.S., including enrollment, funding, trends, and what families should know.