Open House - Countryside Montessori School Date: 02/24/13 Hours: 1-3pm Ages: TOD Address: 354 Lakeville Rd. - 516-466-8422 Great Neck, NY 11020 cmsgn.com Description: Join this informative Open House for an opportunity to learn more about the Montessori approach to education, tour the school and classrooms and meet the teachers.