| Business | Phone |
| Clarkson School 8 Clarkson Ave, Potsdam 13676 | (315) 268-4425 |
| Clarkson University 8 Clarkson Ave, Potsdam 13676 | (315) 268-6400 |
| Lawrence Avenue Elementary Lawrence Ave, Potsdam 13676 | (315) 265-2003 |
| Potsdam Central School Dist 29 Leroy St, Potsdam 13676 | (315) 265-2000 |
| Potsdam Middle School Outer Lawrence Ave, Potsdam 13676 | (315) 265-2004 |
| St Marys School 45 Lawrence Ave, Potsdam 13676 | (315) 265-3511 |