| Business | Phone |
| Bureau Of Indian Affairs 190 Oyate Cir, Lower Brule 57548 | (605) 473-5573 |
| Lower Brule Elementary School 100 Crazy Horse St, Lower Brule 57548 | (605) 473-5382 |
| Lower Brule Head Start Memorial Building Iron Nation, Lower Brule 57548 | (605) 473-5520 |
| Lower Brule High School 600 Crazy Horse St, Lower Brule 57548 | (605) 473-5510 |
| Lower Brule School System 600 Crazy Horse Dr, Lower Brule 57548 | (605) 473-0216 |