<P> A middle school (also known as intermediate school or junior high school) is an educational stage which exists in some countries, providing education between primary school and secondary school . The concept, regulation and classification of middle schools, as well as the ages covered, vary between, and sometimes within, countries . </P> <P> In Afghanistan, middle school consists of grades 6, 7 and 8 . </P>

What is the difference between middle and high school