| Business | Phone |
| Castleton Elementary School 80 Scott Ave, Castletn On Hdsn 12033 | (518) 732-7755 |
| Green Meadow School 234 Schuurman Rd, Castletn On Hdsn 12033 | (518) 477-6422 |
| Isabelle School Of Dance 1580 Columbia Tpke, Castletn On Hdsn 12033 | (518) 477-2441 |
| Maple Hill High School 1216 Maple Hill Rd, Castletn On Hdsn 12033 | (518) 732-7701 |
| Maple Hill Middle School 1477 S Schodack Rd, Castletn On Hdsn 12033 | (518) 732-7736 |
| Questar Iii 10 Empire State Blvd, Castletn On Hdsn 12033 | (518) 732-4474 |
| Schodack Central School 1216 Maple Hill Rd, Castletn On Hdsn 12033 | (518) 732-2297 |