Component School Districts
- Amagansett
- Bay Shore
- Bayport-Blue Point
- Brentwood
- Bridgehampton
- Center Moriches
- Central Islip
- Comsewogue
- Connetquot
- East Hampton
- East Islip
- East Moriches
- East Quogue
- Eastport-South Manor
- Fire Island
- Fishers Island
- Greenport
Amagansett
Bay Shore
Bayport-Blue Point
Brentwood
Bridgehampton
Center Moriches
Central Islip
Comsewogue
Connetquot
East Hampton
East Islip
East Moriches
East Quogue
Eastport-South Manor
Fire Island
Fishers Island
Greenport
- Hampton Bays
- Hauppauge
- Islip
- Little Flower
- Longwood
- Mattituck-Cutchogue
- Middle Country
- Miller Place
- Montauk
- Mount Sinai
- New Suffolk
- Oysterponds
- Patchogue-Medford
- Port Jefferson
- Quogue
- Remsenburg-Speonk
- Riverhead
Hampton Bays
Hauppauge
Islip
Little Flower
Longwood
Mattituck-Cutchogue
Middle Country
Miller Place
Montauk
Mount Sinai
New Suffolk
Oysterponds
Patchogue-Medford
Port Jefferson
Quogue
Remsenburg-Speonk
Riverhead
- Rocky Point
- Sachem
- Sag Harbor
- Sagaponack
- Sayville
- Shelter Island
- Shoreham-Wading River
- South Country
- Southampton
- Southold
- Springs
- Three Village
- Tuckahoe Common
- Wainscott
- West Islip
- Westhampton Beach
- William Floyd