| Business | Phone |
| Thomas County Learning Ctr 305 N Franklin Ave, Colby 67701 | (785) 465-7900 |
| Colby Elementary School 210 N Grant Ave, Colby 67701 | (785) 460-5100 |
| Colby High School 1890 S Franklin Ave, Colby 67701 | (785) 460-5300 |
| Colby Middle School 750 W 3rd St, Colby 67701 | (785) 460-5200 |
| Colby Public Schools Adm 210 S Range Ave, Colby 67701 | (785) 460-5000 |
| Sacred Heart School 1150 W 6th St, Colby 67701 | (785) 462-2813 |