For the 2025-26 school year, there are 15 public schools serving 2,041 students in Lake County, SD (there are , serving 109 private students). 95% of all K-12 students in Lake County, SD are educated in public schools (compared to the SD state average of 91%).
The top ranked public schools in Lake County, SD are Chester High School - 01, Madison Elementary - 07 and Chester Area Cyber School - 92. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Lake County, SD public schools have an average math proficiency score of 44% (versus the South Dakota public school average of 43%), and reading proficiency score of 54% (versus the 51% statewide average). Schools in Lake County have an average ranking of 5/10, which is in the bottom 50% of South Dakota public schools.
Minority enrollment is 12% of the student body (majority Hispanic), which is less than the South Dakota public school average of 33% (majority American Indian).
Best 51³Ô¹ÏÍøºÚÁÏ in Lake County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Chester High School - 01
(Math: 40-59% | Reading: 70-79%)
Rank:
Rank:
9/
Top 20%10
102 2nd Ave
Chester, SD 57016
(605) 489-2411
Chester, SD 57016
(605) 489-2411
Gr: 9-12 | 103 students Student-teacher ratio: 10:1 Minority enrollment: 2%
Rank: #22.
Madison Elementary - 07
(Math: 50% | Reading: 55%)
Rank:
Rank:
8/
Top 30%10
700 Nw 9th St
Madison, SD 57042
(605) 256-7721
Madison, SD 57042
(605) 256-7721
Gr: K-5 | 507 students Student-teacher ratio: 15:1 Minority enrollment: 19%
Rank: #33.
Chester Area Cyber School - 92
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
7/
Top 50%10
500 5th St
Chester, SD 57016
(605) 489-2411
Chester, SD 57016
(605) 489-2411
Gr: 9-12 | 101 students Student-teacher ratio: 17:1
Rank: #44.
Chester Middle School - 03
(Math: 45-49% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
102 2nd Ave
Chester, SD 57016
(605) 489-2411
Chester, SD 57016
(605) 489-2411
Gr: 6-8 | 69 students Student-teacher ratio: 12:1 Minority enrollment: 4%
Rank: #5 - 65. - 6.
Graceville Colony - 07
(Math: <50% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
23843 - 446a Ave
Winfred, SD 57076
(605) 256-2267
Winfred, SD 57076
(605) 256-2267
Gr: K-8 | 21 students Student-teacher ratio: 11:1
Rank: #5 - 65. - 6.
High Plains - 06
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
500 5th St
Chester, SD 57016
(605) 489-2411
Chester, SD 57016
(605) 489-2411
Gr: 9-12 | 61 students Student-teacher ratio: 61:1 Minority enrollment: 6%
Rank: #7 - 87. - 8.
Chester Elementary -02
(Math: 40-44% | Reading: 55-59%)
Rank:
Rank:
6/
Top 50%10
102 2nd Ave
Chester, SD 57016
(605) 489-2411
Chester, SD 57016
(605) 489-2411
Gr: PK-5 | 148 students Student-teacher ratio: 15:1 Minority enrollment: 4%
Rank: #7 - 87. - 8.
Madison High School - 01
(Math: 40-44% | Reading: 55-59%)
Rank:
Rank:
6/
Top 50%10
800 Ne 9th St
Madison, SD 57042
(605) 256-7706
Madison, SD 57042
(605) 256-7706
Gr: 9-12 | 397 students Student-teacher ratio: 15:1 Minority enrollment: 15%
Rank: #99.
Shannon Colony Elementary - 08
(Math: 40-59% | Reading: 40-59%)
Rank:
Rank:
4/
Bottom 50%10
43945 235th St.
Winfred, SD 57076
(605) 772-4443
Winfred, SD 57076
(605) 772-4443
Gr: K-8 | 29 students Student-teacher ratio: 15:1
Rank: #1010.
Madison Middle School - 02
(Math: 39% | Reading: 49%)
Rank:
Rank:
3/
Bottom 50%10
830 Ne 9th St
Madison, SD 57042
(605) 256-7717
Madison, SD 57042
(605) 256-7717
Gr: 6-8 | 274 students Student-teacher ratio: 12:1 Minority enrollment: 19%
Rank: #1111.
Rustic Acres Elementary - 04
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
3/
Bottom 50%10
24243 456th Ave
Chester, SD 57016
(605) 489-2411
Chester, SD 57016
(605) 489-2411
Gr: K-8 | 39 students Student-teacher ratio: 13:1
Rank: n/an/a
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: K-8 | 24 students Student-teacher ratio: 12:1
Rank: n/an/a
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: PK-5 | 128 students Student-teacher ratio: 9:1 Minority enrollment: 10%
Rank: n/an/a
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: 9-12 | 77 students Student-teacher ratio: 8:1 Minority enrollment: 5%
Rank: n/an/a
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: 6-8 | 63 students Student-teacher ratio: 9:1 Minority enrollment: 3%
Lake County 51³Ô¹ÏÍøºÚÁÏ (Closed)
School
Location
Quick Facts
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: K-8 | 22 students Student-teacher ratio: 22:1
211 Se 4th St
Madison, SD 57042
(605) 256-7703
Madison, SD 57042
(605) 256-7703
Gr: PK-5 | 94 students Student-teacher ratio: 16:1 Minority enrollment: 5%
23843 446 Ave
Winfred, SD 57076
(605) 256-7721
Winfred, SD 57076
(605) 256-7721
Gr: K-8 | 32 students Student-teacher ratio: 11:1
520 Nw 3rd St
Madison, SD 57042
(605) 256-7714
Madison, SD 57042
(605) 256-7714
Gr: 3-5 | 212 students Minority enrollment: 6%
220 W 2nd St
Ramona, SD 57054
(605) 482-8244
Ramona, SD 57054
(605) 482-8244
Gr: PK-6 | 66 students Student-teacher ratio: 7:1 Minority enrollment: 11%
220 W 2nd St
Ramona, SD 57054
(605) 482-8244
Ramona, SD 57054
(605) 482-8244
Gr: 9-12 | 40 students Student-teacher ratio: 8:1 Minority enrollment: 3%
220 W 2nd St
Ramona, SD 57054
(605) 482-8244
Ramona, SD 57054
(605) 482-8244
Gr: 7-8 | 16 students Student-teacher ratio: 8:1 Minority enrollment: 6%
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: PK-5 | 79 students Student-teacher ratio: 10:1 Minority enrollment: 4%
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: 9-12 | 40 students Student-teacher ratio: 7:1
102 School St
Rutland, SD 57057
(605) 586-4352
Rutland, SD 57057
(605) 586-4352
Gr: 6-8 | 48 students Student-teacher ratio: 10:1 Minority enrollment: 2%
514 N Washington
Madison, SD 57042
(605) 256-7721
Madison, SD 57042
(605) 256-7721
Gr: K-2 | 254 students Minority enrollment: 6%
Frequently Asked Questions
What are the top ranked public schools in Lake County, SD?
The top ranked public schools in Lake County, SD include Chester High School - 01, Madison Elementary - 07 and Chester Area Cyber School - 92.
How many public schools are located in Lake County?
15 public schools are located in Lake County.
What percentage of students in Lake County go to public school?
95% of all K-12 students in Lake County are educated in public schools (compared to the SD state average of 91%).
What is the racial composition of students in Lake County?
Lake County public schools minority enrollment is 12% 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 Lake County are often viewed compared to one another?
Popular comparisons of public schools in Lake County include: Shannon Colony Elementary - 08 vs. Graceville Colony - 07
Recent Articles

School Choice vs. Neighborhood Schools: Key Factors
Explore school choice vs. neighborhood schools in 2025. Learn key factors parents should weigh when deciding the best fit for their child.

Best School Match 2025: Public vs Charter vs Magnet
Compare 2025 public, charter, and magnet school options with updated data, trends, and strategies to find the best fit.

Public School Boundaries and Equity in 2025
Explore how public school boundaries shape access, equity, and opportunity for students in 2025. Learn the impact on families and education policy.