| Business | Phone |
| Board-Cooperative Educational 28 Wood Rd, Centereach 11720 | (631) 471-6400 |
| Centereach High School 14 43rd St, Centereach 11720 | (631) 468-5636 |
| Middle Country School District 8 43rd St, Centereach 11720 | (631) 738-2714 |
| Dawnwood Junior High School 10 43rd St, Centereach 11720 | (631) 468-5550 |
| Dawnwood Middle School 10 43rd St, Centereach 11720 | (631) 285-8200 |
| North Coleman Road Elementary 197 N Coleman Rd, Centereach 11720 | (631) 451-3610 |
| Oxhead Road Elementary School 144 Oxhead Rd, Centereach 11720 | (631) 738-2450 |
| Holbrook Road Elementary Schl 170 Holbrook Rd, Centereach 11720 | (631) 738-2890 |
| Jericho Elementary School 34 N Coleman Rd, Centereach 11720 | (631) 451-3590 |
| Selden Middle School 22 Jefferson Ave, Centereach 11720 | (631) 285-8400 |
| Unity Drive Pre-K Center 11 Unity Dr, Centereach 11720 | (631) 738-2475 |