Lots of countries around the world are experiencing revisions to their school National Curriculums. These curriculum changes nearly always proceed by starting with those school subjects that are already on the timetable. This book gives a single coherent argument from first principles that link the notion of human flourishing to the specifics of what schools should teach. The book looks at how to move towards aims-based curricula and at matters including the assessment of student learning, the training of teachers and the inspection regime for schools. It will interest those interested in educational policy and in the curriculum.