| Business | Phone |
| Hillside Elementary School 340 Homans Ave, Closter 7624 | (201) 768-3860 |
| Childs Study Team 340 Homans Ave, Closter 7624 | (201) 768-3023 |
| Closter Board Of Education 308 Harrington Ave, Closter 7624 | (201) 768-3001 |
| Tenakill Middle School 275 High St, Closter 7624 | (201) 768-1332 |
| St Mary's School 300 High St, Closter 7624 | (201) 768-2627 |