Cos Cob Community Preschool

This program is for children who are 3 years-old by September 1, 2026, 4 year-olds, and children turning 5 after September 1, 2026. The Preschool runs Monday through Friday from 9 a.m. to 12 p.m. and is open for Town of Greenwich residents only.. Families may sign up for classes 3, 4, or 5 days per week.