But there already are extended days. The point is that the government seem to think that the only thing standing between your local primary and hogwarts is a bit of red tape.
Chicken nuggets? Cooked where? Many schools struggle to provide adequate facilities for lunch.
Actually, if only every school had a room of requirement this plan would be quite workable.
Child care costs money. You can fiddle about with bits of paper as much as you want, but labour and facilities are not free.