| Business | Phone |
| Cornerstone Christian Academy 13527 New Diggins Rd, Potosi 63664 | (573) 438-6570 |
| John Evans Middle School 303 S Lead St, Potosi 63664 | (573) 438-2101 |
| Potosi Elementary School 205 State St # P, Potosi 63664 | (573) 438-2223 |
| Potosi School Superintendent 400 N Mine St, Potosi 63664 | (573) 438-5485 |
| Potosi Senior High School 1 Trojan Dr, Potosi 63664 | (573) 438-2156 |
| State School 24 400 S Mine St, Potosi 63664 | (573) 438-2472 |
| Trojan Intermediate School 367 Intermediate Dr, Potosi 63664 | (573) 436-8108 |