In the 1940s and 50s the Cadbury family’s social experiments at Bournville (Letters, 23 and 28 September) contributed significantly to the later national development of further education for school leavers. The building of Bournville day continuation college was part of the basic plan for Bournville village green, alongside the church and the Carillon bell tower. Young workers, 14- to 18-year-olds, at the Cadbury family’s factory worked for only four days of their five-day week. The fifth day was spent at…