| Business | Phone |
| Alta Vista Charter School 8785 County Road Ll, Lamar 81052 | (719) 336-2154 |
| Lamar Alternative School 411 E Elm St, Lamar 81052 | (719) 336-5740 |
| Lamar High School 1900 S 11th St, Lamar 81052 | (719) 336-3488 |
| Lamar Middle School 104 W Park St, Lamar 81052 | (719) 336-7436 |
| Lamar Middle School 606 S Main St, Lamar 81052 | (719) 336-7436 |
| Lamar School District 210 W Pearl St, Lamar 81052 | (719) 336-3251 |
| Lamar Sda School 1811 S 6th St, Lamar 81052 | (719) 336-4523 |
| Lincoln Elementary School 200 N 10th St, Lamar 81052 | (719) 336-7741 |
| Melvin Hendrickson Dev Ctr 510 Savage Ave, Lamar 81052 | (719) 336-2022 |
| Washington Elementary School 510 S 9th St, Lamar 81052 | (719) 336-7764 |
| Parkview Elementary School 1105 Parkview Ave, Lamar 81052 | (719) 336-7413 |
| Southeast Colorado Boces 703 S 3rd St, Lamar 81052 | (719) 336-9046 |