My only experience with school lunch was in the US, which for me was fun and I was to overwhelmed with new impressions to register much about what is going on, besides at the beginning not speaking the language.

In Switzerland there was no school lunch, we always went home for lunch and then back to school. I think this is still the same way. If the mother works the kids might eat with some relatives or what we call a "Tagesmutter" (daymother) often the mother of another kid in school. The bigger ones might probably migth bring their lunch and eat it with some friends - but I am a little out of the loop, so am not quite sure how it is handled today.