| Business | Phone |
| Granite Valley Middle School 21 Thompson St, Monson 1057 | (413) 267-4155 |
| Monson High School 55 Margaret St, Monson 1057 | (413) 267-4589 |
| Monson Superintendent-Schools 29 Thompson St, Monson 1057 | (413) 267-4150 |
| Quarry Hill Community School 43 Margaret St, Monson 1057 | (413) 267-4160 |