| Business | Phone |
| Great Mills High School 21130 Great Mills Rd, Great Mills 20634 | (301) 863-4001 |
| Greenview Knolls Elementary 45711 Military Ln, Great Mills 20634 | (301) 863-4095 |
| Little Flower School 20410 Point Lookout Rd, Great Mills 20634 | (301) 994-0404 |