Ross
| South Fifth Ave, Brentwood, New York 11717- 6198 | Brentwood High School Web Site |
| Front Office | 631-434-2201 |
| FAX | 631-434-2503 |
| Attendance Clerk | 631-434-2502 |
| Guidance (click for News and Information), Wayne Abenes, Coordinator | 631-434-2207 |
| Nurse | 631-434-2213 |
| Special Education | 631-434-2423 |
| A.V. Room | 631-434-2216 |
| Social Services | 631-434-2506 |
| Department Offices: English, Business, Science, Foreign Language, Technology Education |
631-434-2501 |
| Program Office | 631-434-1554 |
| Music Department | 631-434-2221, 2528 |
| Career Education | 631-434-2407 |
| Computer Center | 631-434-6757 |
| Boys' Gym | 631-434-2220 |
| Girls' Gym | 631-434-2340 |
| Kitchen | 631-434-2230 |
| Custodian | 631-434-2398 |
| Teachers' Room | 631-434-9395 |
| Teachers' Lounge | 631-434-2520 |