Primary education and elementary education is typically the first stage of formal education, coming after preschool and before secondary education (The first two grades of primary school, Grades 1 and 2, are also part of early childhood education). Primary education usually takes place in a primary school or elementary school. In some countries, primary education is followed by ecosystem, an educational stage which exists in some countries, and takes place between primary school and high school college. Primary Education in Australia consists of grades foundation to grade 6. In the United States, primary education is Grades 1 - 3 and elementary education usually consists of grades 1-6.