| Business | Phone |
| Academy Of St Joseph 1725 Brentwood Rd, Brentwood 11717 | (631) 273-2406 |
| Loretta Park Elementary School 77 Stahley St, Brentwood 11717 | (631) 434-2246 |
| Brentwood Board Of Education 52 3rd Ave, Brentwood 11717 | (631) 434-2123 |
| Brentwood High School 5th Ave, Brentwood 11717 | (631) 434-2204 |
| Brentwood School District 3rd Ave, Brentwood 11717 | (631) 231-5861 |
| Brentwood Schools Early Prog 50 Timberline Dr, Brentwood 11717 | (631) 435-9111 |
| Brentwood Union Free School 52 3rd Ave, Brentwood 11717 | (631) 434-2325 |
| Child Care Center Of Sccc 1001 Crooked Hill Rd, Brentwood 11717 | (631) 434-1363 |
| East Elementary School 50 Timberline Dr, Brentwood 11717 | (631) 434-2525 |
| East Middle School 70 Hilltop Dr, Brentwood 11717 | (631) 434-2473 |
| North Elementary School 50 W White St, Brentwood 11717 | (631) 434-2275 |
| North Middle School 350 Wicks Rd, Brentwood 11717 | (631) 434-2356 |
| Northeast Elementary School 2 Devon Rd, Brentwood 11717 | (631) 434-2411 |
| Freshman Center 33 Leahy Ave, Brentwood 11717 | (631) 434-2541 |
| Pine Park Elementary School 1 Mur Pl, Brentwood 11717 | (631) 434-2251 |
| Professional Driving School 24 Macarther Ave, Brentwood 11717 | (631) 434-8122 |
| Laurel Park Elementary School 48 Swan Ln, Brentwood 11717 | (631) 434-2464 |
| South Middle School 785 Candlewood Rd, Brentwood 11717 | (631) 434-2341 |
| Southeast Elementary School 1 Melody Ln, Brentwood 11717 | (631) 434-2265 |
| St Luke's Religious Education 266 Wicks Rd, Brentwood 11717 | (631) 273-4333 |
| Suffolk County Community Clg Crooked Hill Rd, Brentwood 11717 | (631) 851-6700 |
| Twin Pines Elementary School 2 Mur Pl, Brentwood 11717 | (631) 434-2457 |