Have you considered that you are maybe just... Poor. Rich people always get the most unrealistic side to a country.
So hum no, there is, in fact, no school like that in France:) and it doesn't have to do with how rich I am or things like that, the school system here isnt that separative and if we don't consider some very rare and very old UNIVERSITIES (not lycées) that uses old and pretty buildings for a very few classes (AND ITS STILL NOT PALACES) i'll say it again, France doesn't look like that (and dont get me started on the uniforms)
apart from the fact that you just assumed my wealth just because im trying to debunk an unrealistic idea people have of my country (its evident to me that the author didn't go very far in their research) we can't ignore the fact that even the most prestigious schools in France doesn't look like that, as for uniforms aside from sports teams it simply does not exist in France... to me it just feels like the author just applied the aesthetic vision they have of France pasted on the korean school system they probably know better
Honestly as much as i love this story and the characters are so cute, I can't deal with how unrealistic France is presented TT... No, we dont have class in palaces, and no we don't wear uniforms like that/even in very private establishments. I mean ik Its fiction but i cant associate the name of France to any of the representations here