| Business | Phone |
| Unified District 123 W 4th St, Ottawa 66067 | (785) 229-8010 |
| Usd 290 Special Svc 123 W 4th St # 200, Ottawa 66067 | (785) 229-8110 |
| Adult Education Ctr 420 S Main St, Ottawa 66067 | (785) 229-8130 |
| Bethel Christian Academy 3755 Nevada Rd, Ottawa 66067 | (785) 242-1226 |
| Career & Tech & Education Coop 908 W 11th St, Ottawa 66067 | (785) 229-8090 |
| Eisenhower Elementary School 1404 S Ash St, Ottawa 66067 | (785) 229-8040 |
| Eugene Field Elementary School 720 S Tremont Ave, Ottawa 66067 | (785) 229-8050 |
| Ottawa Christian Academy 2749 Montana Rd, Ottawa 66067 | (785) 242-9037 |
| Ottawa High School 1120 S Ash St, Ottawa 66067 | (785) 229-8020 |
| Ottawa Middle School 1230 S Ash St, Ottawa 66067 | (785) 229-8030 |
| Garfield Elementary School 1213 S College St, Ottawa 66067 | (785) 229-8060 |
| Lincoln Elementary School 728 N Cedar St, Ottawa 66067 | (785) 229-8080 |
| Hawthorne Elementary School 501 S Poplar St, Ottawa 66067 | (785) 229-8070 |