A preschool, also known as nursery school, pre-primary school, or play school or creche, is an educational establishment or learning space offering early childhood education to children before they begin compulsory education at primary school. It may be publicly or privately operated, and may be subsidized from public funds.

An elementary school is a primary school which is the main point of delivery of primary education in the United States, for children between the ages of 5–11 and coming between pre-kindergarten and secondary education.