[user104658]

Originally Posted by Niamh.

No primary schools that I've ever come across have canteens here, everyone brings a packed lunch and most schools don't allow, crisps, chocolate, sweets or fizzy drinks

My dad talks about how he used to take two potatoes to school, they would be hot in the morning and he'd have them in his pockets to keep his hands warm and then he'd eat them at lunch time.

I assume this is still standard school lunch practice in Ireland.