| Alternatives for Children | 14 Research Way, East Setauket, NY 11733 | Center |
| Kiddie Academy of East Setauket | 10 Research Way, East Setauket, NY 11733 | Center |
| Play Groups School | 52 Old Post Rd., East Setauket, NY 11733 | Center |
| The Laurel Hill School | 201 Old Town Road, East Setauket, NY 11733 | Center |
| Tutor Time of East Setauket | 6 South Jersey Avenue, East Setauket, NY 11733 | Preschool |