During the High Middle Ages, Chartres Cathedral operated the famous and influential Chartres Cathedral School. Founded in 1088, the University of Bologne is considered the first, and the oldest frequently working college. Many massive university establishments are now starting to provide free or almost free full programs, by way of open education, similar to Harvard, MIT and Berkeley teaming up to type edX. It spans the interval between the usually common compulsory main education to the optional, selective tertiary, “postsecondary”, or “greater” education of ISCED 5 and 6 (e.g. university), and the ISCED 4 Further education or vocational school. The…