Elmont Memorial High School (EMHS) is a co-educational, public high school founded in 1956 for students in grades 7–12 in the hamlet of Elmont, Long Island, New York, in Nassau County, United States. The school is one of five secondary schools of the Sewanhaka Central High School District.

Elmont is an unincorporated hamlet and census-designated place (CDP) located in northwestern Hempstead in Nassau County, New York, United States, along its border with the borough of Queens in New York City. The population was 35,265 as of the 2020 census.