| Business | Phone |
| Waldo Elementary School 602 N Locust St, Waldo 71770 | (870) 693-5921 |
| Waldo Head Start 718 W Jackson St, Waldo 71770 | (870) 693-5457 |
| Waldo High School 203 E Askew, Waldo 71770 | (870) 693-5731 |
| Waldo Senior High School 203 E Askew St, Waldo 71770 | (870) 693-5825 |