Founded and owned by Ronald and Jayme Stewart (née Spahn), York Prep opened its doors in September 1969 to 158 students in grades 6-12 and by 1972 had 212 students. Ronald Stewart served as
headmaster and his wife Jayme Stewart as director of college guidance. Jayme Stewart, who has shared college entry tips with
CNN, is also the author of a 1991 book,
How to Get into the College of Your Choice: And How to Finance It. York is a for-profit school; Jayme Stewart's brother Stephen H. Spahn owns another for-profit school in New York City, the
Dwight School. Kate Maggiotto, succeeded Mr. Stewart as the next Head of York Prep beginning 1 June 2023. ==Academics==