Districts in Suffolk County63 districts, sorted by rating
| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Cold Spring Harbor Central School District | Cold Spring Harbor | 10/10 Excellent · 99th pct | 1,570 | 4 | K–12 | 2 |
| Quogue Union Free School District | Quogue | 10/10 Excellent · 99th pct | 84 | 1 | PK–6 | 1 |
| Sagaponack Common School District | Sagaponack | 10/10 Excellent · 97th pct | 5 | 1 | PK–3 | 1 |
| Half Hollow Hills Central School District | Huntington Station | 10/10 Excellent · 92nd pct | 7,317 | 9 | K–12 | 2 |
| Three Village Central School District | East Setauket | 10/10 Excellent · 92nd pct | 5,717 | 8 | PK–12 | 3 |
| East Moriches Union Free School District | East Moriches | 10/10 Excellent · 91st pct | 649 | 2 | PK–8 | 1 |
| Hauppauge Union Free School District | Hauppauge | 10/10 Excellent · 91st pct | 3,224 | 5 | PK–12 | 1 |
| Shoreham-Wading River Central School District | Shoreham | 10/10 Excellent · 90th pct | 2,000 | 4 | K–12 | 2 |
| Kings Park Central School District | Kings Park | 9/10 Excellent · 88th pct | 2,698 | 5 | PK–12 | 1 |
| Harborfields Central School District | Centerport | 9/10 Excellent · 86th pct | 2,794 | 4 | K–12 | 2 |
| Westhampton Beach Union Free School District | Westhampton | 9/10 Excellent · 86th pct | 1,767 | 3 | K–12 | 2 |
| Bayport-Blue Point Union Free School District | Bayport | 9/10 Excellent · 84th pct | 1,924 | 5 | PK–12 | 2 |
| Sag Harbor Union Free School District | Sag Harbor | 9/10 Excellent · 84th pct | 958 | 2 | PK–12 | 1 |
| Commack Union Free School District | Commack | 9/10 Excellent · 83rd pct | 5,590 | 8 | K–12 | 1 |
| Oysterponds Union Free School District | East Marion | 9/10 Excellent · 83rd pct | 80 | 1 | PK–6 | 2 |
| Amagansett Union Free School District | Amagansett | 9/10 Excellent · 82nd pct | 125 | 1 | PK–6 | 1 |
| Mattituck-Cutchogue Union Free School District | Cutchogue | 9/10 Excellent · 81st pct | 1,004 | 2 | K–12 | 3 |
| Montauk Union Free School District | Montauk | 9/10 Excellent · 81st pct | 305 | 1 | PK–8 | 1 |
| Babylon Union Free School District | Babylon | 9/10 Excellent · 80th pct | 1,558 | 3 | K–12 | 1 |
| Northport-East Northport Union Free School District | East Northport | 9/10 Excellent · 80th pct | 4,572 | 7 | K–12 | 2 |
| Port Jefferson Union Free School District | Port Jefferson | 9/10 Excellent · 80th pct | 918 | 3 | PK–12 | 1 |
| Smithtown Central School District | Nesconset | 8/10 Good · 79th pct | 7,924 | 12 | K–12 | 3 |
| Mount Sinai Union Free School District | Mount Sinai | 8/10 Good · 76th pct | 2,076 | 3 | K–12 | 1 |
| Fishers Island Union Free School District | Fishers Island | 8/10 Good · 73rd pct | 57 | 1 | PK–12 | 1 |
| East Hampton Union Free School District | East Hampton | 8/10 Good · 72nd pct | 1,844 | 3 | PK–12 | 1 |
| New Suffolk Common School District | New Suffolk | 8/10 Good · 72nd pct | 7 | 1 | PK–6 | 1 |
| East Quogue Union Free School District | East Quogue | 8/10 Good · 71st pct | 361 | 1 | K–6 | 1 |
| Sayville Union Free School District | Sayville | 8/10 Good · 71st pct | 2,694 | 5 | PK–12 | 2 |
| Connetquot Central School District | Bohemia | 7/10 Good · 69th pct | 5,393 | 10 | PK–12 | 3 |
| Eastport-South Manor Central School District | Eastport | 7/10 Good · 65th pct | 2,791 | 5 | PK–12 | 2 |
| West Islip Union Free School District | West Islip | 7/10 Good · 65th pct | 3,913 | 7 | PK–12 | 1 |
| West Babylon Union Free School District | West Babylon | 7/10 Good · 62nd pct | 3,693 | 7 | PK–12 | 1 |
| Miller Place Union Free School District | Miller Place | 7/10 Good · 61st pct | 2,343 | 4 | K–12 | 2 |
| Southold Union Free School District | Peconic | 7/10 Good · 61st pct | 697 | 2 | K–12 | 2 |
| Sachem Central School District | Farmingville | 6/10 Average · 58th pct | 11,844 | 15 | K–12 | 3 |
| Wainscott Common School District | Wainscott | 6/10 Average · 58th pct | 26 | 1 | K–3 | 1 |
| Lindenhurst Union Free School District | Lindenhurst | 6/10 Average · 56th pct | 5,640 | 8 | PK–12 | 1 |
| Remsenburg-Speonk Union Free School District | Remsenburg | 6/10 Average · 56th pct | 123 | 1 | K–6 | 2 |
| Bridgehampton Union Free School District | Bridgehampton | 6/10 Average · 53rd pct | 198 | 1 | PK–12 | 1 |
| Hampton Bays Union Free School District | Hampton Bays | 6/10 Average · 52nd pct | 2,065 | 3 | PK–12 | 1 |
| East Islip Union Free School District | East Islip | 6/10 Average · 51st pct | 3,446 | 6 | PK–12 | 3 |
| Middle Country Central School District | Centereach | 5/10 Average · 46th pct | 9,507 | 14 | PK–12 | 3 |
| Deer Park Union Free School District | Deer Park | 5/10 Average · 45th pct | 4,050 | 5 | PK–12 | 1 |
| Center Moriches Union Free School District | Center Moriches | 4/10 Below Average · 39th pct | 1,488 | 3 | PK–12 | 1 |
| Shelter Island Union Free School District | Shelter Island | 4/10 Below Average · 33rd pct | 176 | 1 | PK–12 | 2 |
| Copiague Union Free School District | Copiague | 4/10 Below Average · 32nd pct | 4,876 | 6 | K–12 | 1 |
| Islip Union Free School District | Islip | 4/10 Below Average · 31st pct | 2,691 | 5 | K–12 | 1 |
| William Floyd Union Free School District | Mastic | 4/10 Below Average · 31st pct | 9,166 | 9 | K–12 | 4 |
| Bay Shore Union Free School District | Bay Shore | 3/10 Below Average · 26th pct | 5,854 | 7 | PK–12 | 2 |
| Brookhaven-Comsewogue Union Free School District | Port Jefferson Station | 3/10 Below Average · 22nd pct | 3,571 | 6 | K–12 | 1 |
| Greenport Union Free School District | Greenport | 3/10 Below Average · 22nd pct | 704 | 2 | PK–12 | 1 |
| Southampton Union Free School District | Southampton | 3/10 Below Average · 22nd pct | 1,340 | 3 | PK–12 | 2 |
| Patchogue-Medford Union Free School District | Medford | 2/10 Poor · 18th pct | 7,452 | 11 | PK–12 | 2 |
| Rocky Point Union Free School District | Rocky Point | 2/10 Poor · 15th pct | 2,721 | 4 | K–12 | 1 |
| North Babylon Union Free School District | North Babylon | 2/10 Poor · 14th pct | 4,683 | 7 | PK–12 | 1 |
| Amityville Union Free School District | Amityville | 2/10 Poor · 10th pct | 2,951 | 5 | PK–12 | 1 |
| Fire Island Union Free School District | Ocean Beach | 1/10 Poor · 9th pct | 34 | 1 | PK–6 | 1 |
| Longwood Central School District | Coram | 1/10 Poor · 9th pct | 8,876 | 7 | PK–12 | 5 |
| Central Islip Union Free School District | Central Islip | 1/10 Poor · 8th pct | 7,902 | 8 | PK–12 | 2 |
| Riverhead Central School District | Riverhead | 1/10 Poor · 8th pct | 5,688 | 8 | K–12 | 5 |
| Brentwood Union Free School District | Brentwood | 1/10 Poor · 7th pct | 18,323 | 17 | PK–12 | 1 |
| South Country Central School District | Bellport | 1/10 Poor · 5th pct | 3,953 | 6 | PK–12 | 2 |
| Wyandanch Union Free School District | Wyandanch | 1/10 Poor · 4th pct | 2,743 | 4 | PK–12 | 1 |
Zip Codes in Suffolk County
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 11776 11777 11778 11782 11796 11786 11792 11788 11795 11798 11901 11931 11933 11947 11970 11934 11935 11948 11952 11937 11940 11941 11949 11942 11944 11946 11950 11951 11955 11967 11954 11958 11971 11963 11968 11976 11977 11978 06390 11770 11930 11932 11939 11957 11956 11959 11960 11972 11962 11964 11965 11975
How Suffolk County compares
Together they enroll 210,743 students across 314 schools. The largest is Brentwood Union Free School District with 18,323 students. Districts here average 6.3/10, above the New York average of 5.5/10. Ratings range from 1/10 to 10/10.
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 Cold Spring Harbor Central School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (NY State tests 2023–24), 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.