The Dalton School, originally the Children's University School, is a private, coeducational college preparatory school in New York City and a member of both the Ivy Preparatory School League and the New York Interschool. The school is located in four buildings within the Upper East Side of Manhattan. In November 2021, it was announced that José Manuel De Jesús would replace Interim Head of School Ellen Stein as Head in July 2022. Former Head of School Jim Best resigned in April 2021 after 16 years at the school.