| Business | Phone |
| Martin Luther King Elementary 792 Mount Ave, Wyandanch 11798 | (631) 491-1041 |
| Memorial Jr/Sr High School 54 S 32nd St, Wyandanch 11798 | (631) 491-1022 |
| Milton L Middle School 140 Garden City Ave, Wyandanch 11798 | (631) 491-1047 |
| Opening Word 1434 Straight Path, Wyandanch 11798 | (631) 643-0541 |
| Wyandanch Board Of Education 1445 Straight Path, Wyandanch 11798 | (631) 491-1001 |
| Wyandanch Union Free Schl Dist 1445 Dr Martin Luther King Jr, Wyandanch 11798 | (631) 491-1069 |
| Wyandanch Union Free School 1445 Straight Path, Wyandanch 11798 | (631) 491-1013 |