| Business | Phone |
| Agassiz Elementary School 608 E Williams St, Ottumwa 52501 | (641) 684-7179 |
| Alternative High School 907 Gateway Dr, Ottumwa 52501 | (641) 683-1342 |
| Douma Elementary School 307 W Mary St, Ottumwa 52501 | (641) 684-4668 |
| Eisenhower Elementary School 2624 Marilyn Rd, Ottumwa 52501 | (641) 684-5617 |
| Evans Middle School 812 Chester Ave, Ottumwa 52501 | (641) 684-6511 |
| Horace Mann Elementary School 1523 N Court St, Ottumwa 52501 | (641) 684-4661 |
| James Elementary School 1001 N Benton St, Ottumwa 52501 | (641) 684-5411 |
| Midwestern School-Evangelism 319 W 5th St, Ottumwa 52501 | (641) 682-5531 |
| Ottumwa Board Of Education 422 Mccarroll Dr, Ottumwa 52501 | (641) 684-6521 |
| Ottumwa Christian School 458 N Court St, Ottumwa 52501 | (641) 683-9119 |
| Ottumwa High School 501 E 2nd St, Ottumwa 52501 | (641) 683-4444 |
| Ottumwa School Supt Office 422 Mccarroll Dr, Ottumwa 52501 | (641) 684-6596 |
| Ottumwa Schools 907 Gateway Dr, Ottumwa 52501 | (641) 684-6979 |
| Pickwick Elementary School 1306 W Williams St, Ottumwa 52501 | (641) 682-4502 |
| Seton Catholic School 117 E 4th St, Ottumwa 52501 | (641) 682-8826 |
| Southern Prairie Area Ed Agcy 2814 N Court St, Ottumwa 52501 | (641) 682-8591 |
| Title 1 Preschool 226 W Main St, Ottumwa 52501 | (641) 682-9251 |
| Ottumwa Schools 422 Mccarroll Dr, Ottumwa 52501 | (641) 682-8764 |
| Wildwood Elementary School 438 Mckinley Ave, Ottumwa 52501 | (641) 683-1843 |
| Wilson Elementary School 1102 E 4th St, Ottumwa 52501 | (641) 684-5441 |