way, it aims to prepare children for their entry into primary education. Preschool education is usually optional, but in some countries, such as Brazil, it is mandatory starting from the age of four.

Primary (or elementary) education usually starts between the ages of five and seven and lasts for four to seven years. It has no further entry requirements, and its main goal is to teach basic skills in reading, writing, and mathematics. It also covers core knowledge in other fields, such as history,