| Business | Phone |
| Duncan High School 515 N 19th St, Duncan 73533 | (580) 255-0700 |
| Duncan Middle School 211 N 8th St, Duncan 73533 | (580) 255-1020 |
| Duncan Middle School 601 Chisholm Trail Pkwy, Duncan 73533 | (580) 470-8106 |
| Duncan Public School Supt 1706 W Spruce Ave, Duncan 73533 | (580) 255-0686 |
| Edge Academy 12th St & Sycamore Stamp;, Duncan 73533 | (580) 255-5529 |
| Emerson Elementary School 1200 W Hickory Ave, Duncan 73533 | (580) 255-7146 |
| Empire Elementary School 9450 W Cherokee Rd, Duncan 73533 | (580) 255-4150 |
| Empire School District 9450 W Cherokee Rd, Duncan 73533 | (580) 252-5392 |
| Episcopal Academy 809 W Cedar Ave, Duncan 73533 | (580) 470-8585 |
| Horace Mann Elementary School 1201 N Whisenant Dr, Duncan 73533 | (580) 255-6530 |
| Will Rogers Elementary School 1413 N 13th St, Duncan 73533 | (580) 255-9012 |
| Woodrow Wilson Elementary Schl 700 E Chestnut Ave, Duncan 73533 | (580) 255-8107 |
| Mark Twain Elementary School 2204 W Oak Ave, Duncan 73533 | (580) 255-1324 |
| Plato Elementary School 1011 W Plato Rd, Duncan 73533 | (580) 255-6167 |
| Red River Technology Center 3300 W Bois D Arc Ave, Duncan 73533 | (580) 255-2903 |
| Robert E Lee Elementary School 211 W Beech Ave, Duncan 73533 | (580) 255-1478 |