Preschool (30 months to school age)年龄范围30 months to school age员工资质!Early Childhood Educator certificate; assistants may hold an Early Childhood Educator Assistant certificate.ECE师生比例!1-10: 1 Early Childhood Educator; 11-20: 1 Early Childhood Educator and 1 assistant.1:10容量!Preschool (30 months to school age): 10 daycare-specific spaces reported. Official rule: Max group size 2010