The development of children of preschool age

This article the development of children of preschool age about schools for younger children between the ages of three and five. For the stage of childhood which ranges from 5-8 years old, see early childhood. In some European countries the term “kindergarten” refers to formal education of children classified as ISCED level 0 – with one or several years of such education being compulsory – before children start primary school at ISCED level 1.