| Business | Phone |
| Baylis Elementary School Woodbury Rd, Syosset 11791 | (516) 931-9263 |
| Berry Hill School 181 Cold Spring Rd, Syosset 11791 | (516) 364-5790 |
| Board Of Cooperative Svc 100 Haskett Dr, Syosset 11791 | (516) 364-1300 |
| Board Of Cooperative Svc 239 Cold Spring Rd, Syosset 11791 | (516) 364-1177 |
| Our Lady Of Mercy Academy 815 Convent Rd, Syosset 11791 | (516) 921-1047 |
| P S 256 525 Convent Rd, Syosset 11791 | (516) 921-0450 |
| Faith Nursery School 231 Jackson Ave, Syosset 11791 | (516) 364-0209 |
| Greentrees Country Day School 247 Jackson Ave, Syosset 11791 | (516) 921-4949 |
| Harry B Thompson Middle School 98 Ann Dr, Syosset 11791 | (516) 364-5760 |
| Robbins Lane Elementary School 157 Robbins Ln, Syosset 11791 | (516) 364-5804 |
| South Grove Elementary School 60 Colony Ln, Syosset 11791 | (516) 364-5810 |
| Southwoods Middle School 99 Pell Ln, Syosset 11791 | (516) 364-5621 |
| St Edward Confessor School 2 Teibrook Ave, Syosset 11791 | (516) 921-7767 |
| St Edward Relegious Ed 2 Teibrook Ave, Syosset 11791 | (516) 364-1790 |
| Syosset Central School Dist 99 Pell Ln, Syosset 11791 | (516) 364-5600 |
| Syosset Central School Dist Baylis Woodbury Rd, Syosset 11791 | (516) 931-9263 |
| Syosset Central School Dist Village Corwent Rd, Syosset 11791 | (516) 921-9719 |
| Syosset Senior High School 70 Southwoods Rd, Syosset 11791 | (516) 364-5675 |
| Torah Academy Of Long Island 310 S Oyster Bay Rd, Syosset 11791 | (516) 364-6262 |
| Village Elementary School 90 Convent Rd, Syosset 11791 | (516) 364-5817 |
| West Side Elementary School 1597 Laurel Hollow Rd, Syosset 11791 | (516) 692-7044 |
| Willits School 99 Nana Pl, Syosset 11791 | (516) 364-5829 |