For the 2026 school year, there are 5 public schools serving 522 students in Platte, SD.
The top-ranked public schools in Platte, SD are Cedar Grove Colony Elementary - 14, Platte - Geddes Elementary - 02 and Platte - Geddes Jr. High - 03. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Platte, SD public schools have an average math proficiency score of 64% (versus the South Dakota public school average of 43%), and reading proficiency score of 64% (versus the 51% statewide average). Schools in Platte have an average ranking of 10/10, which is in the top 10% of South Dakota public schools.
Minority enrollment is 10% of the student body (majority American Indian), which is less than the South Dakota public school average of 34% (majority American Indian).
Best Public Schools in Platte, SD (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Cedar Grove Colony Elementary - 14
(Math: ≥80% | Reading: 60-79%)
Rank:
Rank:
10/
Top 5%10
36926 266th St
Platte, SD 57369
(605) 337-2468
Platte, SD 57369
(605) 337-2468
Gr: K-8 | 44 students Student-teacher ratio: 15:1
Rank: #22.
Platte - Geddes Elementary - 02
(Math: 75-79% | Reading: 65-69%)
Rank:
Rank:
10/
Top 10%10
401 S Iowa Av
Platte, SD 57369
(605) 337-2468
Platte, SD 57369
(605) 337-2468
Gr: K-5 | 230 students Student-teacher ratio: 13:1 Minority enrollment: 11%
Rank: #33.
Platte - Geddes Jr. High - 03
(Math: 55-59% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
400 Illinois Ave
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Gr: 6-8 | 94 students Student-teacher ratio: 13:1 Minority enrollment: 13%
Rank: #44.
Platte Colony Elementary - 10
(Math: ≥50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
35271 270 St
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Gr: K-8 | 22 students Student-teacher ratio: 7:1
Rank: #55.
Platte - Geddes High School - 01
(Math: 21-39% | Reading: 60-69%)
Rank:
Rank:
5/
Bottom 50%10
400 Illinois Ave
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Gr: 9-12 | 132 students Student-teacher ratio: 11:1 Minority enrollment: 13%
Frequently Asked Questions
What are the top-ranked public schools in Platte, SD?
The top-ranked public schools in Platte, SD include Cedar Grove Colony Elementary - 14, Platte - Geddes Elementary - 02 and Platte - Geddes Jr. High - 03.
How many public schools are located in Platte?
5 public schools are located in Platte.
What is the racial composition of students in Platte?
Platte public schools minority enrollment is 10% of the student body (majority American Indian), which is less than the South Dakota public schools average of 34% (majority American Indian).
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