Not all schools operate like that. Norwegian traditionally bring packed lunch and eat that in a long recess (store-fri).
School lunch hours were shortened because of the fact that some schools needed more time to prepare. Or some parents have been complaining thattheir child doesn't have enough time to eat, so the...
I think probably 30min.
18250...
9 to 5 is 8 hours. If you subtract the lunch break, you get 7 hours, 30 minutes.