| Business | Phone |
| Archbishop Neale School 104 Port Tobacco Rd, La Plata 20646 | (301) 934-7005 |
| Charles County Board-Education 5980 Radio Station Rd, La Plata 20646 | (301) 932-6610 |
| Childerns Learning Tree 112 Charles St, La Plata 20646 | (301) 934-1477 |
| F B Gwynn Ctr 5998 Radio Station Rd, La Plata 20646 | (301) 934-3884 |
| Grace Lutheran School 1200 Charles St, La Plata 20646 | (301) 932-0963 |
| La Plata Senior High 6035 Radio Station Rd, La Plata 20646 | (301) 934-1100 |
| Mary H Matula Elementary Schl 6025 Radio Station Rd, La Plata 20646 | (301) 934-5412 |
| Milton Somers Middle School 300 Willow Ln, La Plata 20646 | (301) 934-4663 |
| Walter J Mitchell Elementary 400 Willow Ln, La Plata 20646 | (301) 934-4687 |