Open House and History Fair - Cornerstone Christian School Date: 02/28/13 Hours: 6pm Ages: All Address: 384 New Hempstead Road - 845-634-7977 New City, NY 10956 ccsny.org Description: Rockland County's only Christian elementary school invites prospective parents and their families to this open house event. History-related projects by students will be on display and guests can meet with teachers at the school.