by Oscar ValienteConsultant, OECD Directorate for Education‘Good fences make good neighbors’ says Robert Frost’s protagonist in ‘’Mending wall’. Frost himself was not so sure. Barriers in education – like barriers between people - are not what cities and regions need in our time: rather what they need is better collaboration between the vocational and the university sectors for social and economic development. A very good example of this is the area...