there is no single education system

there is no single education system in the instead each of the 50 states has its own system in most states however children go to school from about the age of six until at least age sixteen. each year of school is called a grade and in order to graduate all american students must successfully complete 12th grade
in a typical case a student attends seven years of primary education which is often divided into four year of elementary school and three year of middle school. this is followed by secondary school split into junior high and senior high