| Business | Phone |
| Moultrie County Head Start 203 S Graham St, Sullivan 61951 | (217) 728-7631 |
| Sullivan Elementary School 910 N Graham St, Sullivan 61951 | (217) 728-2321 |
| Sullivan High School 725 N Main St, Sullivan 61951 | (217) 728-8311 |
| Sullivan Middle School 713 N Main St, Sullivan 61951 | (217) 728-8381 |
| Sullivan Unit Schools Supt 725 N Main St, Sullivan 61951 | (217) 728-8341 |