Best School Districts in Suffolk County, New York (2026)

📊 What this ranking measures

Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (NY State tests 2023–24), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →

All 67 Rated Districts in Suffolk County, NY Sorted by rating, then state percentile

County Rank	District	District Office	Rating	State Percentile
#1	Cold Spring Harbor Central School District	Cold Spring Harbor	10/10 Excellent	99th
#2	Quogue Union Free School District	Quogue	10/10 Excellent	99th
#3	Sagaponack Common School District	Sagaponack	10/10 Excellent	97th
#4	Half Hollow Hills Central School District	Dix Hills	10/10 Excellent	92nd
#5	Three Village Central School District	Stonybrook	10/10 Excellent	92nd
#6	East Moriches Union Free School District	East Moriches	10/10 Excellent	91st
#7	Hauppauge Union Free School District	Hauppauge	10/10 Excellent	91st
#8	Shoreham-Wading River Central School District	Shoreham	10/10 Excellent	90th
#9	Kings Park Central School District	Kings Park	9/10 Excellent	88th
#10	Harborfields Central School District	Greenlawn	9/10 Excellent	86th
#11	Westhampton Beach Union Free School District	Westhampton Beach	9/10 Excellent	86th
#12	Bayport-Blue Point Union Free School District	Bayport	9/10 Excellent	84th
#13	Elwood Union Free School District	Greenlawn	9/10 Excellent	84th
#14	Sag Harbor Union Free School District	Sag Harbor	9/10 Excellent	84th
#15	Commack Union Free School District	East Northport	9/10 Excellent	83rd
#16	Oysterponds Union Free School District	Orient	9/10 Excellent	83rd
#17	Amagansett Union Free School District	Amagansett	9/10 Excellent	82nd
#18	Mattituck-Cutchogue Union Free School District	Cutchogue	9/10 Excellent	81st
#19	Montauk Union Free School District	Montauk	9/10 Excellent	81st
#20	Babylon Union Free School District	Babylon	9/10 Excellent	80th
#21	Northport-East Northport Union Free School District	Northport	9/10 Excellent	80th
#22	Port Jefferson Union Free School District	Port Jefferson	9/10 Excellent	80th
#23	Smithtown Central School District	Smithtown	8/10 Good	79th
#24	Mount Sinai Union Free School District	Mount Sinai	8/10 Good	76th
#25	Fishers Island Union Free School District	Fishers Island	8/10 Good	73rd
#26	East Hampton Union Free School District	East Hampton	8/10 Good	72nd
#27	New Suffolk Common School District	New Suffolk	8/10 Good	72nd
#28	East Quogue Union Free School District	East Quogue	8/10 Good	71st
#29	Sayville Union Free School District	Sayville	8/10 Good	71st
#30	Connetquot Central School District	Bohemia	7/10 Good	69th
#31	Tuckahoe Common School District	Southampton	7/10 Good	68th
#32	Eastport-South Manor Central School District	Manorville	7/10 Good	65th
#33	West Islip Union Free School District	West Islip	7/10 Good	65th
#34	Springs Union Free School District	East Hampton	7/10 Good	64th
#35	West Babylon Union Free School District	West Babylon	7/10 Good	62nd
#36	Miller Place Union Free School District	Miller Place	7/10 Good	61st
#37	Southold Union Free School District	Southold	7/10 Good	61st
#38	Sachem Central School District	Lake Ronkonkoma	6/10 Average	58th
#39	Wainscott Common School District	Wainscott	6/10 Average	58th
#40	Lindenhurst Union Free School District	Lindenhurst	6/10 Average	56th
#41	Remsenburg-Speonk Union Free School District	Remsenburg	6/10 Average	56th
#42	Bridgehampton Union Free School District	Bridgehampton	6/10 Average	53rd
#43	Hampton Bays Union Free School District	Hampton Bays	6/10 Average	52nd
#44	East Islip Union Free School District	Islip Terrace	6/10 Average	51st
#45	Middle Country Central School District	Centereach	5/10 Average	46th
#46	Deer Park Union Free School District	Deer Park	5/10 Average	45th
#47	Center Moriches Union Free School District	Center Moriches	4/10 Below Average	39th
#48	Shelter Island Union Free School District	Shelter Island	4/10 Below Average	33rd
#49	Copiague Union Free School District	Copiague	4/10 Below Average	32nd
#50	Islip Union Free School District	Islip	4/10 Below Average	31st
#51	William Floyd Union Free School District	Mastic Beach	4/10 Below Average	31st
#52	Bay Shore Union Free School District	Bay Shore	3/10 Below Average	26th
#53	Brookhaven-Comsewogue Union Free School District	Port Jefferson Station	3/10 Below Average	22nd
#54	Greenport Union Free School District	Greenport	3/10 Below Average	22nd
#55	Southampton Union Free School District	Southampton	3/10 Below Average	22nd
#56	South Huntington Union Free School District	Huntington Station	3/10 Below Average	21st
#57	Patchogue-Medford Union Free School District	Patchogue	2/10 Poor	18th
#58	Rocky Point Union Free School District	Rocky Point	2/10 Poor	15th
#59	North Babylon Union Free School District	North Babylon	2/10 Poor	14th
#60	Amityville Union Free School District	Amityville	2/10 Poor	10th
#61	Fire Island Union Free School District	Ocean Beach	1/10 Poor	9th
#62	Longwood Central School District	Yaphank	1/10 Poor	9th
#63	Central Islip Union Free School District	Central Islip	1/10 Poor	8th
#64	Riverhead Central School District	Riverhead	1/10 Poor	8th
#65	Brentwood Union Free School District	Brentwood	1/10 Poor	7th
#66	South Country Central School District	East Patchogue	1/10 Poor	5th
#67	Wyandanch Union Free School District	Wyandanch	1/10 Poor	4th

Best School Districts in Suffolk County, New York (2026)

This page lists the 67 public school districts headquartered in Suffolk County, New York that have a SchoolDistrictFinder rating, scored using NY State tests 2023–24 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in New York, which is how the 1–10 rating is set. Ratings are not comparable with districts in other states.

Districts are placed in the county of their NCES directory listing. A district's boundaries can cross county lines, and a home in Suffolk County may be served by a district headquartered next door — search your address or zip code to confirm.

Frequently Asked Questions

What is the best-rated school district in Suffolk County, New York? ▼

Among the 67 rated districts in Suffolk County, New York, 2 share the top position at 10/10 (Excellent), 99th percentile of New York districts on NY State tests 2023–24 reading and math proficiency: Cold Spring Harbor Central School District (Cold Spring Harbor); Quogue Union Free School District (Quogue).

How are these rankings calculated? ▼

Each district's rating comes from the share of its students scoring proficient or above on state reading and math assessments (NY State tests 2023–24), percentile-ranked against all rated districts in New York and converted to a 1–10 scale. Full methodology here.

Best School Districtsin Suffolk County, NY

Best School Districts in Suffolk County, New York (2026)

Best School Districts
in Suffolk County, NY