Westchester County School Districts Ardsley Union Free School District Bedford Central School Dist.(Bedford-Mt.Kisco-Pound Ridge) Blind Brook School District (Rye Brook) Briarcliff Manor School District Bronxville School District Byram Hills School District (Armonk) Chappaqua Central School Dist. (Chappaqua-Millwood) Croton-Harmon School District Dobbs Ferry Union Free School District Eastchester Union Free School District Edgemont School District Elmsford Union Free School District Greenburgh Central School District Greenburgh-North Castle Union Free School District Harrison Central School District Hastings-on-Hudson Union Free School District Hawthorne Cedar Knolls Union Free School District Henrick Hudson School District (Buchanan-Cortlandt Manor-Montrose) Irvington Union Free School District Katonah-Lewisboro School Dist (Cross River-Goldens Bridge-Katonah-Lewisboro-South Salem) Lakeland School District (Cortlandt Manor-Crompound-Mohegan Lake-Yorktown Heights) Mamaroneck Union Free School District Mount Pleasant Central School District (Hawthorne-Thornwood) Mount Vernon City School District New Rochelle School District North Salem Central School District Ossining Union Free School District Peekskill Central School District Pelham Union Free School District Pleasantville Union Free School District Pocantico Hills Central School District Portchester School District Rye City School District Rye Neck Union Free School District Scarsdale Union Free School District Somers Central School District Tarrytown Union Free School District (Sleepy Hollow-Tarrytown) Tuckahoe Union Free School District Valhalla Union Free School District White Plains Central School District Yonkers Public School District Yorktown Central School District