Deadline to switch to STAR by municipality: Suffolk County
| Municipal name | School district name | Tax base growth factor |
| Town of Babylon | Amityville | Two weeks prior to July 1 |
| Town of Babylon | Babylon | Two weeks prior to July 1 |
| Town of Babylon | Copiague | Two weeks prior to July 1 |
| Town of Babylon | Deer Park | Two weeks prior to July 1 |
| Town of Babylon | Farmingdale | Two weeks prior to July 1 |
| Town of Babylon | Half Hollow Hills | Two weeks prior to July 1 |
| Town of Babylon | Lindenhurst | Two weeks prior to July 1 |
| Town of Babylon | North Babylon | Two weeks prior to July 1 |
| Town of Babylon | West Babylon | Two weeks prior to July 1 |
| Town of Babylon | Wyandanch | Two weeks prior to July 1 |
| Town of Brookhaven | Bayport-Blue Point | Two weeks prior to July 1 |
| Town of Brookhaven | Brookhaven-Comsewogue | Two weeks prior to July 1 |
| Town of Brookhaven | Center Moriches | Two weeks prior to July 1 |
| Town of Brookhaven | East Moriches | Two weeks prior to July 1 |
| Town of Brookhaven | Eastport- South Manor | Two weeks prior to July 1 |
| Town of Brookhaven | Fire Island | Two weeks prior to July 1 |
| Town of Brookhaven | Longwood | Two weeks prior to July 1 |
| Town of Brookhaven | Middle Country | Two weeks prior to July 1 |
| Town of Brookhaven | Miller Place | Two weeks prior to July 1 |
| Town of Brookhaven | Mount Sinai | Two weeks prior to July 1 |
| Town of Brookhaven | Patchogue-Medford | Two weeks prior to July 1 |
| Town of Brookhaven | Port Jefferson | Two weeks prior to July 1 |
| Town of Brookhaven | Riverhead | Two weeks prior to July 1 |
| Town of Brookhaven | Rocky Point | Two weeks prior to July 1 |
| Town of Brookhaven | Sachem | Two weeks prior to July 1 |
| Town of Brookhaven | Shoreham-Wading River | Two weeks prior to July 1 |
| Town of Brookhaven | South Country | Two weeks prior to July 1 |
| Town of Brookhaven | Three Village | Two weeks prior to July 1 |
| Town of Brookhaven | William Floyd | Two weeks prior to July 1 |
| Town of East Hampton | Amagansett | Two weeks prior to July 1 |
| Town of East Hampton | East Hampton | Two weeks prior to July 1 |
| Town of East Hampton | Montauk | Two weeks prior to July 1 |
| Town of East Hampton | Sag Harbor | Two weeks prior to July 1 |
| Town of East Hampton | Springs | Two weeks prior to July 1 |
| Town of East Hampton | Wainscott | Two weeks prior to July 1 |
| Town of Huntington | Cold Spring Harbor | Two weeks prior to July 1 |
| Town of Huntington | Commack | Two weeks prior to July 1 |
| Town of Huntington | Elwood | Two weeks prior to July 1 |
| Town of Huntington | Half Hollow Hills | Two weeks prior to July 1 |
| Town of Huntington | Harborfields | Two weeks prior to July 1 |
| Town of Huntington | Huntington | Two weeks prior to July 1 |
| Town of Huntington | Northport-East Northport | Two weeks prior to July 1 |
| Town of Huntington | South Huntington | Two weeks prior to July 1 |
| Town of Huntington | Syosset | Two weeks prior to July 1 |
| Town of Islip | Bay Shore | Two weeks prior to July 1 |
| Town of Islip | Bayport-Blue Point | Two weeks prior to July 1 |
| Town of Islip | Brentwood | Two weeks prior to July 1 |
| Town of Islip | Central Islip | Two weeks prior to July 1 |
| Town of Islip | Connetquot | Two weeks prior to July 1 |
| Town of Islip | East Islip | Two weeks prior to July 1 |
| Town of Islip | Fire Island | Two weeks prior to July 1 |
| Town of Islip | Hauppauge | Two weeks prior to July 1 |
| Town of Islip | Islip | Two weeks prior to July 1 |
| Town of Islip | Sachem | Two weeks prior to July 1 |
| Town of Islip | Sayville | Two weeks prior to July 1 |
| Town of Islip | West Islip | Two weeks prior to July 1 |
| Town of Riverhead | Eastport- South Manor | Two weeks prior to July 1 |
| Town of Riverhead | Mattituck-Cutchogue | Two weeks prior to July 1 |
| Town of Riverhead | Riverhead | Two weeks prior to July 1 |
| Town of Riverhead | Shoreham-Wading River | Two weeks prior to July 1 |
| Town of Shelter Island | Shelter Island | Two weeks prior to July 1 |
| Town of Smithtown | Commack | Two weeks prior to July 1 |
| Town of Smithtown | Hauppauge | Two weeks prior to July 1 |
| Town of Smithtown | Kings Park | Two weeks prior to July 1 |
| Town of Smithtown | Sachem | Two weeks prior to July 1 |
| Town of Smithtown | Smithtown | Two weeks prior to July 1 |
| Town of Smithtown | Three Village | Two weeks prior to July 1 |
| Town of Southampton | Bridgehampton | Two weeks prior to July 1 |
| Town of Southampton | East Quogue | Two weeks prior to July 1 |
| Town of Southampton | Eastport- South Manor | Two weeks prior to July 1 |
| Town of Southampton | Hampton Bays | Two weeks prior to July 1 |
| Town of Southampton | Quogue | Two weeks prior to July 1 |
| Town of Southampton | Remsenburg-Speonk | Two weeks prior to July 1 |
| Town of Southampton | Riverhead | Two weeks prior to July 1 |
| Town of Southampton | Sag Harbor | Two weeks prior to July 1 |
| Town of Southampton | Sagaponack | Two weeks prior to July 1 |
| Town of Southampton | Southhampton | Two weeks prior to July 1 |
| Town of Southampton | Tuckahoe Common | Two weeks prior to July 1 |
| Town of Southampton | Wainscott | Two weeks prior to July 1 |
| Town of Southampton | Westhampton Beach | Two weeks prior to July 1 |
| Town of Southold | Fishers Island | Two weeks prior to July 1 |
| Town of Southold | Greenport | Two weeks prior to July 1 |
| Town of Southold | Mattituck-Cutchogue | Two weeks prior to July 1 |
| Town of Southold | New Suffolk | Two weeks prior to July 1 |
| Town of Southold | Oysterponds | Two weeks prior to July 1 |
| Town of Southold | Southold | Two weeks prior to July 1 |
Updated: