There are some laid down constraints. Students should have access to the National Curriculum, students should have access to 190 days of schooling per year, teachers should work 1265 hours per year, universities require exam grades in order to help their selection of new cohorts.
But as far as I am concerned, everything else is up for grabs. What follows is my model for schooling.
Firstly, let's start by abandoning the notion of lessons, timetables, teachers, classes, year groups, terms, school holidays and subject areas.