| Business | Phone |
| Central Middle School 1100 Cedar St, Hartford 53027 | (262) 673-8040 |
| Erin School 6901 County Road O, Hartford 53027 | (262) 673-3720 |
| School District Of Hartford 675 E Rossman St, Hartford 53027 | (262) 673-7596 |
| St Augustine School 1810 County Road Cc, Hartford 53027 | (262) 628-9838 |
| St Kilian Catholic School 245 High St, Hartford 53027 | (262) 673-3081 |
| Hartford District Adm 675 E Rossman St, Hartford 53027 | (262) 673-3155 |
| Hartford School District 675 E Rossman St, Hartford 53027 | (262) 673-9033 |
| Hartford Union High School 805 Cedar St, Hartford 53027 | (262) 673-8945 |
| Hartford Union Hs District 805 Cedar St, Hartford 53027 | (262) 673-8950 |
| Rossman School 600 Highland Ave, Hartford 53027 | (262) 670-5916 |
| Rossman Elementary School 600 Highland Ave, Hartford 53027 | (262) 673-3300 |
| Lincoln Elementary School 755 S Rural St, Hartford 53027 | (262) 673-2100 |
| Peace Lutheran School 1025 Peace Lutheran Dr, Hartford 53027 | (262) 673-3811 |