Long Island's Nassau and Suffolk counties are home to 125 public school districts, containing a total of 656 public schools. The list below contains each of Long Island's school districts, along with their respective schools.

A

Amagansett Union Free School District

Amityville Union Free School District

B

Babylon Union Free School District

Baldwin Union Free School District

Bay Shore Union Free School District

Bayport-Blue Point Union Free School District

Bellmore Union Free School District

Bellmore-Merrick Central High School District

Bethpage Union Free School District

Brentwood Union Free School District

Bridgehampton Union Free School District

C

Carle Place Union Free School District

Center Moriches Union Free School District

Central Islip Union Free School District

Cold Spring Harbor Central School District

Commack School District

Comsewogue Union Free School District

Connetquot Central School District

Copiague Union Free School District

D

Deer Park Union Free School District

E

East Hampton Union Free School District

East Islip Union Free School District

East Meadow Union Free School District

East Moriches Union Free School District

East Quogue Union Free School District

East Rockaway Union Free School District

East Williston Union Free School District

Eastport-South Manor Central School District

Elmont Union Free School District

Elwood Union Free School District

F

Farmingdale Union Free School District

Fire Island Union Free School District

Fishers Island Union Free School District

Floral Park-Bellerose Union Free School District

Franklin Square Union Free School District

Freeport Union Free School District

G

Garden City Union Free School District

Glen Cove City School District

Great Neck Union Free School District

Greenport Union Free School District

H

Half Hollow Hills Central School District

Hampton Bays School District

Harborfields Central School District

Hauppauge Union Free School District

Hempstead Union Free School District

Herricks Union Free School District

Hewlett-Woodmere School District

Hicksville Union Free School District

Huntington Union Free School District

I

Island Park School District

Island Trees Union Free School District

Islip Union Free School District

J

Jericho Union Free School District

K

Kings Park Central School District

L

Lawrence Union Free School District

Levittown Union Free School District

Lindenhurst Union Free School District

Little Flower Union Free School District

Locust Valley Central School District

Long Beach City School District

Longwood Central School District

Lynbrook Union Free School District

M

Malverne Union Free School District

Manhasset Union Free School District

Massapequa Union Free School District

Mattituck-Cutchogue Union Free School District

Merrick Union Free School District

Middle Country Central School District

Miller Place Union Free School District

Mineola Union Free School District

Montauk Union Free School District

Mount Sinai Union Free School District

N

New Hyde Park-Garden City Park Union Free School District

New Suffolk Common School District

North Babylon Union Free School District

North Bellmore Union Free School District

North Merrick Union Free School District

North Shore Central School District

Northport-East Northport Union Free School District

O

Oceanside School District

Oyster Bay-East Norwich Central School District

Oysterponds Union Free School District

P

Patchogue-Medford Union Free School District

Plainedge Union Free School District

Plainview-Old Bethpage Central School District

Port Jefferson Union Free School District

Port Washington Union Free School District

Q

Quogue Union Free School District

R

Remsenburg-Speonk Union Free School District

Riverhead Central School District

Rockville Centre Union Free School District

Rocky Point Union Free School District

Roosevelt Union Free School District

Roslyn Union Free School District

S

Sachem Central School District

Sag Harbor Union Free School District

Sagaponack Common School District

Sayville Union Free School District

Seaford Union Free School District

Sewanhaka Central High School District

Shelter Island Union Free School District

Shoreham-Wading River Central School District

Smithtown Central School District

South Country Central School District

South Huntington Union Free School District

Southampton Union Free School District

Southold Union Free School District

Springs Union Free School District

Syosset Central School District

T

Three Village Central School District

Tuckahoe Common School District

U

Uniondale Union Free School District

V

Valley Stream 13 Union Free School District

Valley Stream 24 Union Free School District

Valley Stream 30 Union Free School District

Valley Stream Central High School District

W

Wainscott Common School District

Wantagh Union Free School District

West Babylon Union Free School District

West Hempstead Union Free School District

West Islip Union Free School District

Westbury Union Free School District

Westhampton Beach Union Free School District

William Floyd School District

Wyandanch Union Free School District