| Business | Phone |
| Cass County School Supt 346 Main St 101, Plattsmouth 68048 | (402) 296-9366 |
| Plattsmouth Alternative School 1916 E Highway 34, Plattsmouth 68048 | (402) 296-3416 |
| Plattsmouth Elementry School 1724 8th Ave, Plattsmouth 68048 | (402) 296-4173 |
| Plattsmouth High School 1916 E Highway 34, Plattsmouth 68048 | (402) 296-3322 |
| Plattsmouth Middle School 1724 8th Ave, Plattsmouth 68048 | (402) 296-3174 |
| Plattsmouth Superintendent 1912 E Highway 34, Plattsmouth 68048 | (402) 296-3361 |
| St John School 500 S 18th St, Plattsmouth 68048 | (402) 296-6230 |
| Stull District 28 18516 3rd St, Plattsmouth 68048 | (402) 298-8402 |