Admissions
Open House
Open House for Admissions
Please join us Tuesday, September 22nd from 2:00PM to 4:00PM for tours of the St. Mary's campus, led by our wonderful students!
Please be sure to reserve a time below.
St. Mary's High School
Located in Manhasset, NY, St. Mary's College Preparatory High School is a private Catholic school for grades 9th-12th. Students benefit from a challenging academic program, Catholic intellectual tradition, competitive athletics, and a wide selection of extracurricular activities.