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allk12 · Rankings · Largest · New York · Nassau County · High schools

The largest public high schools in Nassau County, New York

Across Nassau County, New York, 59 public high schools are ranked here, ranked by total student enrollment, excluding online and virtual schools. SYOSSET SENIOR HIGH SCHOOL leads the list at 2,400, against a median of 1,121 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked
59
Nassau County, New York
Top Students
2,400
Median Students
1,121
LARGEST · NASSAU COUNTY, NEW YORK
#SchoolCityDistrictLevelStudents
1SYOSSET SENIOR HIGH SCHOOLSYOSSET, NYSYOSSET CENTRAL SCHOOL DISTRICTHigh2,400
2FREEPORT HIGH SCHOOLFREEPORT, NYFREEPORT UNION FREE SCHOOL DISTRICTHigh2,244
3UNIONDALE HIGH SCHOOLUNIONDALE, NYUNIONDALE UNION FREE SCHOOL DISTRICTHigh2,106
4HEMPSTEAD HIGH SCHOOLHEMPSTEAD, NYHEMPSTEAD UNION FREE SCHOOL DISTRICTHigh1,879
5HICKSVILLE HIGH SCHOOLHICKSVILLE, NYHICKSVILLE UNION FREE SCHOOL DISTRICTHigh1,825
6PLAINVIEW-OLD BETHPAGE/JFK HIGH SCHOOLPLAINVIEW, NYPLAINVIEW-OLD BETHPAGE CENTRAL SCHOOL DISTRICTHigh1,720
7NEW HYDE PARK MEMORIAL HIGH SCHOOLNEW HYDE PARK, NYSEWANHAKA CENTRAL HIGH SCHOOL DISTRICTHigh1,711
8FARMINGDALE SENIOR HIGH SCHOOLFARMINGDALE, NYFARMINGDALE UNION FREE SCHOOL DISTRICTHigh1,704
9SCHOOL 7-OCEANSIDE SENIOR HIGH SCHOOLOCEANSIDE, NYOCEANSIDE UNION FREE SCHOOL DISTRICTHigh1,668
10H FRANK CAREY HIGH SCHOOLFRANKLIN SQUARE, NYSEWANHAKA CENTRAL HIGH SCHOOL DISTRICTHigh1,644
11PAUL D SCHREIBER SENIOR HIGH SCHOOLPORT WASHINGTON, NYPORT WASHINGTON UNION FREE SCHOOL DISTRICTHigh1,643
12WESTBURY HIGH SCHOOLOLD WESTBURY, NYWESTBURY UNION FREE SCHOOL DISTRICTHigh1,574
13SEWANHAKA HIGH SCHOOLFLORAL PARK, NYSEWANHAKA CENTRAL HIGH SCHOOL DISTRICTHigh1,572
14EAST MEADOW HIGH SCHOOLEAST MEADOW, NYEAST MEADOW UNION FREE SCHOOL DISTRICTHigh1,549
15HERRICKS HIGH SCHOOLNEW HYDE PARK, NYHERRICKS UNION FREE SCHOOL DISTRICTHigh1,535
16ELMONT MEMORIAL HIGH SCHOOLELMONT, NYSEWANHAKA CENTRAL HIGH SCHOOL DISTRICTHigh1,492
17BALDWIN SENIOR HIGH SCHOOLBALDWIN, NYBALDWIN UNION FREE SCHOOL DISTRICTHigh1,470
18MASSAPEQUA HIGH SCHOOLMASSAPEQUA, NYMASSAPEQUA UNION FREE SCHOOL DISTRICTHigh1,407
19GREAT NECK SOUTH HIGH SCHOOLGREAT NECK, NYGREAT NECK UNION FREE SCHOOL DISTRICTHigh1,362
20FLORAL PARK MEMORIAL HIGH SCHOOLFLORAL PARK, NYSEWANHAKA CENTRAL HIGH SCHOOL DISTRICTHigh1,308
21GEN DOUGLAS MACARTHUR SENIOR HIGH SCHOOLLEVITTOWN, NYLEVITTOWN UNION FREE SCHOOL DISTRICTHigh1,295
22JERICHO SENIOR HIGH SCHOOLJERICHO, NYJERICHO UNION FREE SCHOOL DISTRICTHigh1,260
23VALLEY STREAM NORTH HIGH SCHOOLFRANKLIN SQUARE, NYVALLEY STREAM CENTRAL HIGH SCHOOL DISTRICTHigh1,260
24LONG BEACH HIGH SCHOOLLONG BEACH, NYLONG BEACH CITY SCHOOL DISTRICTHigh1,253
25VALLEY STREAM SOUTH HIGH SCHOOLVALLEY STREAM, NYVALLEY STREAM CENTRAL HIGH SCHOOL DISTRICTHigh1,229
26SANFORD H CALHOUN HIGH SCHOOLMERRICK, NYBELLMORE-MERRICK CENTRAL HIGH SCHOOL DISTRICTHigh1,219
27WELLINGTON C MEPHAM HIGH SCHOOLBELLMORE, NYBELLMORE-MERRICK CENTRAL HIGH SCHOOL DISTRICTHigh1,211
28GREAT NECK NORTH HIGH SCHOOLGREAT NECK, NYGREAT NECK UNION FREE SCHOOL DISTRICTHigh1,155
29ROOSEVELT HIGH SCHOOLROOSEVELT, NYROOSEVELT UNION FREE SCHOOL DISTRICTHigh1,127
30VALLEY STREAM CENTRAL HIGH SCHOOLVALLEY STREAM, NYVALLEY STREAM CENTRAL HIGH SCHOOL DISTRICTHigh1,121
31GARDEN CITY HIGH SCHOOLGARDEN CITY, NYGARDEN CITY UNION FREE SCHOOL DISTRICTHigh1,096
32MINEOLA HIGH SCHOOLGARDEN CITY PARK, NYMINEOLA UNION FREE SCHOOL DISTRICTHigh1,090
33JOHN F KENNEDY HIGH SCHOOLBELLMORE, NYBELLMORE-MERRICK CENTRAL HIGH SCHOOL DISTRICTHigh1,089
34ROSLYN HIGH SCHOOLROSLYN HEIGHTS, NYROSLYN UNION FREE SCHOOL DISTRICTHigh1,086
35GLEN COVE HIGH SCHOOLGLEN COVE, NYGLEN COVE CITY SCHOOL DISTRICTHigh1,060
36GEORGE W HEWLETT HIGH SCHOOLHEWLETT, NYHEWLETT-WOODMERE UNION FREE SCHOOL DISTRICTHigh1,051
37DIVISION AVENUE SENIOR HIGH SCHOOLLEVITTOWN, NYLEVITTOWN UNION FREE SCHOOL DISTRICTHigh1,044
38MANHASSET SECONDARY SCHOOLMANHASSET, NYMANHASSET UNION FREE SCHOOL DISTRICTHigh1,031
39BETHPAGE SENIOR HIGH SCHOOLBETHPAGE, NYBETHPAGE UNION FREE SCHOOL DISTRICTHigh995
40SOUTH SIDE HIGH SCHOOLROCKVILLE CENTRE, NYROCKVILLE CENTRE UNION FREE SCHOOL DISTRICTHigh959
41W TRESPER CLARKE HIGH SCHOOLWESTBURY, NYEAST MEADOW UNION FREE SCHOOL DISTRICTHigh898
42PLAINEDGE SENIOR HIGH SCHOOLMASSAPEQUA, NYPLAINEDGE UNION FREE SCHOOL DISTRICTHigh856
43MERRICK AVENUE MIDDLE SCHOOLMERRICK, NYBELLMORE-MERRICK CENTRAL HIGH SCHOOL DISTRICTHigh848
44LYNBROOK SENIOR HIGH SCHOOLLYNBROOK, NYLYNBROOK UNION FREE SCHOOL DISTRICTHigh846
45WANTAGH SENIOR HIGH SCHOOLWANTAGH, NYWANTAGH UNION FREE SCHOOL DISTRICTHigh826
46WEST HEMPSTEAD SECONDARY SCHOOLWEST HEMPSTEAD, NYWEST HEMPSTEAD UNION FREE SCHOOL DISTRICTHigh806
47NORTH SHORE SENIOR HIGH SCHOOLGLEN HEAD, NYNORTH SHORE CENTRAL SCHOOL DISTRICTHigh776
48LAWRENCE SENIOR HIGH SCHOOLCEDARHURST, NYLAWRENCE UNION FREE SCHOOL DISTRICTHigh764
49ISLAND TREES HIGH SCHOOLLEVITTOWN, NYISLAND TREES UNION FREE SCHOOL DISTRICTHigh701
50WHEATLEY SCHOOLOLD WESTBURY, NYEAST WILLISTON UNION FREE SCHOOL DISTRICTHigh689
Page 1 of 2 · top 59 of 59 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.