Exams, grades, league tables, Ofsted reports. All of them miss the point of school and together they are undermining our whole approach to education. What is school for? In theory, it equips young people to become independent and productive, to get jobs and forge lives, perhaps to be 'good citizens'. In reality, it means one thing: exams. By focussing on the grades pupils get in neatly siloed, academic subjects, we end up ranking...