Districts in Suffolk County63 districts, sorted by rating
| District | City | Rating | Zip Codes |
|---|---|---|---|
| Quogue Union Free School District | Quogue Union Free | 10/10 Excellent · 100th pct | 1 |
| Cold Spring Harbor Central School District | Cold Spring Harbor Central | 10/10 Excellent · 99th pct | 2 |
| Sagaponack Common School District | Sagaponack Common | 10/10 Excellent · 97th pct | 1 |
| Half Hollow Hills Central School District | Dix Hills | 10/10 Excellent · 92nd pct | 2 |
| Three Village Central School District | Three | 10/10 Excellent · 92nd pct | 3 |
| East Moriches Union Free School District | East Moriches Union Free | 10/10 Excellent · 91st pct | 1 |
| Hauppauge Union Free School District | Hauppauge Union Free | 10/10 Excellent · 91st pct | 1 |
| Shoreham-Wading River Central School District | Shoreham-Wading River Central | 10/10 Excellent · 90th pct | 2 |
| Kings Park Central School District | Kings Park Central | 9/10 Excellent · 88th pct | 1 |
| Harborfields Central School District | Harborfields Central | 9/10 Excellent · 86th pct | 2 |
| Westhampton Beach Union Free School District | Westhampton Beach Union Free | 9/10 Excellent · 86th pct | 2 |
| Bayport-Blue Point Union Free School District | Bayport-Blue Point Union Free | 9/10 Excellent · 84th pct | 2 |
| Sag Harbor Union Free School District | Sag Harbor Union Free | 9/10 Excellent · 84th pct | 1 |
| Commack Union Free School District | Commack Union Free | 9/10 Excellent · 83rd pct | 1 |
| Oysterponds Union Free School District | Oysterponds Union Free | 9/10 Excellent · 83rd pct | 2 |
| Amagansett Union Free School District | Amagansett Union Free | 9/10 Excellent · 82nd pct | 1 |
| Mattituck-Cutchogue Union Free School District | Mattituck-Cutchogue Union Free | 9/10 Excellent · 81st pct | 3 |
| Montauk Union Free School District | Montauk Union Free | 9/10 Excellent · 81st pct | 1 |
| Babylon Union Free School District | Babylon Union Free | 9/10 Excellent · 80th pct | 1 |
| Northport-East Northport Union Free School District | Northport-East Northport Union Free | 9/10 Excellent · 80th pct | 2 |
| Port Jefferson Union Free School District | Port Jefferson Union Free | 9/10 Excellent · 80th pct | 1 |
| Smithtown Central School District | Smithtown Central | 8/10 Good · 79th pct | 3 |
| Mount Sinai Union Free School District | Mount Sinai Union Free | 8/10 Good · 76th pct | 1 |
| Fishers Island Union Free School District | Fishers Island Union Free | 8/10 Good · 73rd pct | 1 |
| East Hampton Union Free School District | East Hampton Union Free | 8/10 Good · 72nd pct | 1 |
| New Suffolk Common School District | New Suffolk Common | 8/10 Good · 72nd pct | 1 |
| East Quogue Union Free School District | East Quogue Union Free | 8/10 Good · 71st pct | 1 |
| Sayville Union Free School District | Sayville Union Free | 8/10 Good · 71st pct | 2 |
| Connetquot Central School District | Connetquot Central | 7/10 Good · 69th pct | 3 |
| Eastport-South Manor Central School District | Eastport-South Manor Central | 7/10 Good · 65th pct | 2 |
| West Islip Union Free School District | West Islip Union Free | 7/10 Good · 65th pct | 1 |
| West Babylon Union Free School District | West Babylon Union Free | 7/10 Good · 62nd pct | 1 |
| Miller Place Union Free School District | Miller Place Union Free | 7/10 Good · 61st pct | 2 |
| Southold Union Free School District | Southold Union Free | 7/10 Good · 61st pct | 2 |
| Sachem Central School District | Sachem Central | 6/10 Average · 58th pct | 3 |
| Wainscott Common School District | Wainscott Common | 6/10 Average · 58th pct | 1 |
| Lindenhurst Union Free School District | Lindenhurst Union Free | 6/10 Average · 56th pct | 1 |
| Remsenburg-Speonk Union Free School District | Remsenburg-Speonk Union Free | 6/10 Average · 56th pct | 2 |
| Bridgehampton Union Free School District | Bridgehampton Union Free | 6/10 Average · 53rd pct | 1 |
| Hampton Bays Union Free School District | Hampton Bays Union Free | 6/10 Average · 52nd pct | 1 |
| East Islip Union Free School District | East Islip Union Free | 6/10 Average · 51st pct | 3 |
| Middle Country Central School District | Middle Country Central | 5/10 Average · 46th pct | 3 |
| Deer Park Union Free School District | Deer Park Union Free | 5/10 Average · 45th pct | 1 |
| Center Moriches Union Free School District | Center Moriches Union Free | 4/10 Below Average · 39th pct | 1 |
| Shelter Island Union Free School District | Shelter Island Union Free | 4/10 Below Average · 33rd pct | 2 |
| Copiague Union Free School District | Copiague Union Free | 4/10 Below Average · 32nd pct | 1 |
| Islip Union Free School District | Islip Union Free | 4/10 Below Average · 31st pct | 1 |
| William Floyd Union Free School District | William Floyd Union Free | 4/10 Below Average · 31st pct | 4 |
| Bay Shore Union Free School District | Bay Shore Union Free | 3/10 Below Average · 26th pct | 2 |
| Brookhaven-Comsewogue Union Free School District | Brookhaven-Comsewogue Union Free | 3/10 Below Average · 22nd pct | 1 |
| Greenport Union Free School District | Greenport Union Free | 3/10 Below Average · 22nd pct | 1 |
| Southampton Union Free School District | Southampton Union Free | 3/10 Below Average · 22nd pct | 2 |
| Patchogue-Medford Union Free School District | Patchogue-Medford Union Free | 2/10 Poor · 18th pct | 2 |
| Rocky Point Union Free School District | Rocky Point Union Free | 2/10 Poor · 15th pct | 1 |
| North Babylon Union Free School District | North Babylon Union Free | 2/10 Poor · 14th pct | 1 |
| Amityville Union Free School District | Amityville Union Free | 2/10 Poor · 10th pct | 1 |
| Fire Island Union Free School District | Fire Island Union Free | 1/10 Poor · 9th pct | 1 |
| Longwood Central School District | Longwood Central | 1/10 Poor · 9th pct | 5 |
| Central Islip Union Free School District | Central Islip Union Free | 1/10 Poor · 8th pct | 2 |
| Riverhead Central School District | Riverhead Central | 1/10 Poor · 8th pct | 5 |
| Brentwood Union Free School District | Brentwood Union Free | 1/10 Poor · 7th pct | 1 |
| South Country Central School District | South Country Central | 1/10 Poor · 5th pct | 2 |
| Wyandanch Union Free School District | Wyandanch Union Free | 1/10 Poor · 4th pct | 1 |
Zip Codes in Suffolk County
06390 11701 11702 11703 11704 11705 11715 11706 11718 11713 11719 11716 11769 11779 11717 11720 11755 11784 11721 11740 11722 11749 11724 11743 11725 11726 11727 11953 11961 11973 11980 11729 11730 11739 11752 11731 11768 11733 11790 11794 11738 11741 11742 11746 11747 11751 11754 11757 11763 11772 11764 11789 11766 11767 11780 11787 11770 11776 11777 11778 11782 11796 11786 11792 11788 11795 11798 11901 11931 11933 11947 11970 11930 11932 11934 11935 11948 11952 11937 11939 11957 11940 11941 11949 11942 11944 11946 11950 11951 11955 11967 11954 11956 11958 11971 11959 11960 11972 11962 11963 11964 11965 11968 11976 11975 11977 11978
School Districts in Suffolk County, New York
Suffolk County has 63 public school districts covering 107 zip codes. The top-rated district in Suffolk County is Quogue Union Free School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (New York State tests 2023–24 for most districts), ranked against all districts in New York. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.