For the 2026 school year, there are 15 public schools serving 1,086 students in Kingsbury County, SD (there are , serving 33 private students). 97% of all K-12 students in Kingsbury County, SD are educated in public schools (compared to the SD state average of 91%). Kingsbury County has one of the highest concentrations of top-ranked public schools in South Dakota.
The top-ranked public schools in Kingsbury County, SD are Lake Preston Elementary - 02, Arlington Jr. High - 03 and Arlington Elementary - 02. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Kingsbury 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 54% (versus the 51% statewide average). Schools in Kingsbury County have an average ranking of 7/10, which is in the top 50% of South Dakota public schools.
Minority enrollment is 10% 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 Kingsbury County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Lake Preston Elementary - 02
(Math: 70-79% | Reading: 80-89%)
Rank:
Rank:
10/
Top 1%10
300 1st St Ne
Lake Preston, SD 57249
(605) 847-4464
Lake Preston, SD 57249
(605) 847-4464
Gr: PK-5 | 104 students Student-teacher ratio: 10:1 Minority enrollment: 10%
Rank: #22.
Arlington Jr. High - 03
(Math: 80-89% | Reading: 70-79%)
Rank:
Rank:
10/
Top 5%10
306 S Main St
Arlington, SD 57212
(605) 983-5598
Arlington, SD 57212
(605) 983-5598
Gr: 7-8 | 37 students Student-teacher ratio: 12:1 Minority enrollment: 8%
Rank: #33.
Arlington Elementary - 02
(Math: 65-69% | Reading: 75-79%)
Rank:
Rank:
10/
Top 5%10
306 S Main St
Arlington, SD 57212
(605) 983-5741
Arlington, SD 57212
(605) 983-5741
Gr: K-6 | 161 students Student-teacher ratio: 15:1 Minority enrollment: 11%
Rank: #44.
Arlington High School - 01
(Math: 40-59% | Reading: 60-79%)
Rank:
Rank:
8/
Top 30%10
306 S Main St
Arlington, SD 57212
(605) 983-5598
Arlington, SD 57212
(605) 983-5598
Gr: 9-12 | 86 students Student-teacher ratio: 10:1 Minority enrollment: 11%
Rank: #55.
Lake Preston High School - 01
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
7/
Top 50%10
300 1st St Ne
Lake Preston, SD 57249
(605) 847-4455
Lake Preston, SD 57249
(605) 847-4455
Gr: 9-12 | 51 students Student-teacher ratio: 6:1 Minority enrollment: 8%
Rank: #66.
Laura Ingalls Wilder Elementary - 02
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
407 Ingalls Ave Sw
De Smet, SD 57231
(605) 854-3963
De Smet, SD 57231
(605) 854-3963
Gr: PK-5 | 178 students Student-teacher ratio: 16:1 Minority enrollment: 7%
Rank: #77.
De Smet High School - 01
(Math: 21-39% | Reading: 60-79%)
Rank:
Rank:
6/
Top 50%10
405 3rd St Sw
De Smet, SD 57231
(605) 854-3423
De Smet, SD 57231
(605) 854-3423
Gr: 9-12 | 90 students Student-teacher ratio: 10:1 Minority enrollment: 5%
Rank: #88.
Iroquois High School - 01
(Math: <50% | Reading: 40-59%)
Rank:
Rank:
5/
Bottom 50%10
111 E Washita St
Iroquois, SD 57353
(605) 546-2426
Iroquois, SD 57353
(605) 546-2426
Gr: 9-12 | 49 students Student-teacher ratio: 10:1 Minority enrollment: 12%
Rank: #99.
Lake Preston Middle School - 03
(Math: 30-39% | Reading: 40-49%)
Rank:
Rank:
3/
Bottom 50%10
300 1st St Ne
Lake Preston, SD 57249
(605) 847-4455
Lake Preston, SD 57249
(605) 847-4455
Gr: 6-8 | 33 students Student-teacher ratio: 8:1 Minority enrollment: 15%
Rank: #1010.
De Smet Middle School - 03
(Math: 25-29% | Reading: 35-39%)
Rank:
Rank:
2/
Bottom 50%10
405 3rd St Sw
De Smet, SD 57231
(605) 854-3423
De Smet, SD 57231
(605) 854-3423
Gr: 6-8 | 86 students Student-teacher ratio: 14:1 Minority enrollment: 8%
Rank: #1111.
Iroquois Elementary - 04
(Math: 20-29% | Reading: 30-39%)
Rank:
Rank:
2/
Bottom 50%10
111 E Washita St
Iroquois, SD 57353
(605) 546-2210
Iroquois, SD 57353
(605) 546-2210
Gr: PK-5 | 118 students Student-teacher ratio: 15:1 Minority enrollment: 15%
Rank: #1212.
Iroquois Middle School - 02
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
111 E Washita St
Iroquois, SD 57353
(605) 546-2426
Iroquois, SD 57353
(605) 546-2426
Gr: 6-8 | 44 students Student-teacher ratio: 9:1 Minority enrollment: 18%
Rank: n/an/a
306 S Main St
Arlington, SD 57212
(605) 983-5597
Arlington, SD 57212
(605) 983-5597
Gr: PK | 17 students Student-teacher ratio: 17:1
Rank: n/an/a
21727 452nd Ave
Arlington, SD 57212
(605) 482-8244
Arlington, SD 57212
(605) 482-8244
Gr: K-8 | 18 students Student-teacher ratio: 9:1
Rank: n/an/a
21727 452nd Ave
Arlington, SD 57212
(605) 482-8244
Arlington, SD 57212
(605) 482-8244
Gr: 9-12 | 14 students
Kingsbury County Public Schools (Closed)
School
Location
Quick Facts
21085 415th Ave
Iroquois, SD 57353
(605) 546-2210
Iroquois, SD 57353
(605) 546-2210
Gr: 4-8 | 11 students Student-teacher ratio: 11:1
Po Box 98
Iroquois, SD 57353
(605) 546-2210
Iroquois, SD 57353
(605) 546-2210
Gr: K-8 | 22 students Student-teacher ratio: 11:1
21727 452nd Ave
Arlington, SD 57212
(605) 482-8244
Arlington, SD 57212
(605) 482-8244
Gr: K-8 | 22 students Student-teacher ratio: 11:1
21727 452nd Ave
Arlington, SD 57212
(605) 482-8244
Arlington, SD 57212
(605) 482-8244
Gr: 9-12 | 13 students
Frequently Asked Questions
What are the top-ranked public schools in Kingsbury County, SD?
The top-ranked public schools in Kingsbury County, SD include Lake Preston Elementary - 02, Arlington Jr. High - 03 and Arlington Elementary - 02. Kingsbury County has one of the highest concentrations of top-ranked public schools in South Dakota.
How many public schools are located in Kingsbury County?
15 public schools are located in Kingsbury County.
What percentage of students in Kingsbury County go to public school?
97% of all K-12 students in Kingsbury County are educated in public schools (compared to the SD state average of 91%).
What is the racial composition of students in Kingsbury County?
Kingsbury County public schools minority enrollment is 10% of the student body (majority Hispanic), which is less than the South Dakota public schools average of 33% (majority American Indian).
Which public schools in Kingsbury County are often viewed compared to one another?
Popular comparisons of public schools in Kingsbury County include: Arlington High School - 01 vs. Lake Preston High School - 01
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