About COSA:Success Stories

COSA Accredited Schools

Tiospa Zina Tribal School
1 Tiospa Zina Dr.,
Sisseton, SD 57262
(605) 698-3953

Enemy Swim Day School
13525 446th Ave.,
Waubay, SD 57273 
(605) 947-4605

Isna Wica Owayawa-Loneman School
BIA Rd 41.,
Oglala, SD 57764
(605) 867-6875

Lower Brule Day School
600 Crazy Horse Drive
P.O. Box 245
229 BIA Rt 10
Lower Brule, S.D. 57548