Keio Academy Of New York is located in Purchase, NY. It is a private school that serves 335 students in grades 9-12. Keio Academy Of New York is coed (school has male and female students) and is nonsectarian in orientation.
In 2010, Keio Academy Of New York had 9 students for every full-time equivalent teacher. The New York average is 13 students per full-time equivalent teacher.