| Business | Phone |
| Clarkton Elementary School Highway 162, Clarkton 63837 | (573) 448-3371 |
| Clarkton High School 104 E Highway 162, Clarkton 63837 | (573) 448-3120 |
| Clarkton Preschool 204 E State Highway 162, Clarkton 63837 | (573) 448-3110 |
| Clarkton School District C4 Highway 162, Clarkton 63837 | (573) 448-3712 |