This paper aims to explain the time and regional feature of primary and junior high school consolidation process, after regulating the relation of transition of the number of schools and consolidation based on the database about the number of students of primary and junior high school and closed schools in 1960-2016 in Chugoku region. By the typification of schools transition, they were classified into five at the increase type of primary and junior high schools, sustainment type, the junior high school reduction type, the primary school reduction type, and the primary and junior high schools reduction type.
