For the 2025 school year, there are 4 public high schools serving 554 students in Charles Mix County, SD.
The top ranked public high schools in Charles Mix County, SD are Wagner High School - 01 and Platte - Geddes High School - 01. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Charles Mix County, SD public high schools have an average math proficiency score of 30% (versus the South Dakota public high school average of 40%), and reading proficiency score of 76% (versus the 63% statewide average). High schools in Charles Mix County have an average ranking of 6/10, which is in the top 50% of South Dakota public high schools.
Charles Mix County, SD public high school have a Graduation Rate of 83%, which is more than the South Dakota average of 81%.
The school with highest graduation rate is Wagner High School - 01, with 80-89% graduation rate. Read more about public school graduation rate statistics in South Dakota or national school graduation rate statistics.
Minority enrollment is 69% of the student body (majority American Indian), which is more than the South Dakota public high school average of 35% (majority American Indian).
Best Public High Schools in Charles Mix County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Wagner High School - 01
(Math: 30-39% | Reading: 80-89%)
Rank:
Rank:
8/
Top 30%10
101 Walnut Ave Sw
Wagner, SD 57380
(605) 384-5426
Wagner, SD 57380
(605) 384-5426
Grades: 9-12
| 189 students
Rank: #22.
Platte - Geddes High School - 01
(Math: 20-29% | Reading: 60-69%)
Rank:
Rank:
4/
Bottom 50%10
400 Illinois Ave
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Grades: 9-12
| 120 students
Rank: n/an/a
100 South Main
Marty, SD 57361
(605) 384-2212
Marty, SD 57361
(605) 384-2212
Grades: K-12
| 245 students
Rank: n/an/a
400 S Illinois Ave
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Grades: 9-12
| n/a students
Charles Mix County Public Schools (Closed)
School
Location
Grades
Students
1001 High St
Lake Andes, SD 57356
(605) 487-7671
Lake Andes, SD 57356
(605) 487-7671
Grades: 9-12
| 62 students
400 Illinois Ave
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Grades: n/a
| n/a students
Po Box 197
Geddes, SD 57342
(605) 337-3382
Geddes, SD 57342
(605) 337-3382
Grades: PK-6
| 47 students
Po Box 197
Geddes, SD 57342
(605) 337-3382
Geddes, SD 57342
(605) 337-3382
Grades: 7-8
| 12 students
Po Box 140
Platte, SD 57369
(605) 337-2468
Platte, SD 57369
(605) 337-2468
Grades: K-8
| 6 students
28949 377th Ave
Lake Andes, SD 57356
(605) 487-7655
Lake Andes, SD 57356
(605) 487-7655
Grades: K-8
| 22 students
Po Box 140
Platte, SD 57369
(605) 337-2468
Platte, SD 57369
(605) 337-2468
Grades: K-8
| 24 students
35271 270th St
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Grades: n/a
| n/a students
Po Box 140
Platte, SD 57369
(605) 337-2468
Platte, SD 57369
(605) 337-2468
Grades: PK-6
| 177 students
Po Box 140
Platte, SD 57369
(605) 337-3391
Platte, SD 57369
(605) 337-3391
Grades: 7-8
| 55 students
Frequently Asked Questions
What are the top ranked public high schools in Charles Mix County, SD?
The top ranked public high schools in Charles Mix County, SD include Wagner High School - 01 and Platte - Geddes High School - 01.
How many public high schools are located in Charles Mix County?
4 public high schools are located in Charles Mix County.
What is the racial composition of students in Charles Mix County?
Charles Mix County public high schools minority enrollment is 69% of the student body (majority American Indian), which is more than the South Dakota public high schools average of 35% (majority American Indian).
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