Middle Schools in the U.S

Once an American child finishes 6th grade in primary school,he/she graduates and goes on to middle school,or junior high school,as it is called there.Middle school's schoolyard is often a separate building or a set of buildings.Most students in middle school are between the ages of 10 and 14.The grade system continues in middle school.It starts with 7th grade and ends with 8th or 9th grade.