I would go for a mixed school. It makes childres and youngsters find their own place in the society. If they go to a girls' school they are in an "unnatural" environment. But I also think it depends on cultural background and the purpose of the parents.

I am a male. Adolescent males have only one thing on their minds. I would insulate my daughter from that distraction for as long as I possibly could.

Ha-ha. Interesting! To be honest, I'm not sure whether it means "我想听听你们的想法". (I checked this sentence on dictionary.) So, when I saw your comment, I couldn't keep from laughing.

How can we get our brain back?