I was wondering what anyone could tell me about this. I can't seem to recall much from what I've seen in anime and manga, and I'm not sure how long it'd take me to find another example. But that wouldn't really answer everything about it, anyway...
I mean, for one, if the boys and girls are separated, does on group dress in the classroom while the other group waits to use it, or does the group outside of the classroom get dressed in the hall, or somewhere else? Stuff like that.