| Business | Phone |
| Tri-County Intermediate Sta Po Box 490, Eagle Butte 57625 | (605) 964-6763 |
| C R Headstart Eagle Butte 57625 | (605) 964-8706 |
| Cheyenne Eagle Butte Hs W Frontier & Main Stamp;, Eagle Butte 57625 | (605) 964-8744 |
| Cheyenne River Agency Ed E St, Eagle Butte 57625 | (605) 964-8723 |
| Cheyenne River Sioux Headstart Highway 212, Eagle Butte 57625 | (605) 964-8710 |
| Cheyenne Sioux Education Brnch E St, Eagle Butte 57625 | (605) 964-8722 |
| Dupree Headstart Po Box 590, Eagle Butte 57625 | (605) 365-5481 |
| Eagle Butte High School/Admin E St, Eagle Butte 57625 | (605) 964-8777 |
| Eagle Butte Junior High School 672 Main St, Eagle Butte 57625 | (605) 964-7841 |
| Eagle Butte Lower Elem School W Frontier St, Eagle Butte 57625 | (605) 964-7920 |
| Eagle Butte School Dist 20-1 South Prairie Rd, Eagle Butte 57625 | (605) 964-4911 |
| Eagle Butte Upper Elementary S Prairie St, Eagle Butte 57625 | (605) 964-2702 |