Middle school - Wikipedia
https://en.wikipedia.org/wiki/Middle_schoolIn England and Wales, local education authorities introduced middle schools in the 1960s and 1970s. The notion of middle schools was mooted by the Plowden Report of 1967 which proposed a change to a three-tier model including first schools for children aged between 5 and 8, middle schools for 8–12 year-olds, and then high schools for 12–16 year-olds. Some authorities introduced middle schools for ideological reasons, in line with the report, while others did so for …