The heck. The only allowed bottom uniform for females is a skirt? What are they, perverts? Not to mention... what do you do in the winter? Wear super warm tights with your inappropriate skirt? Sheesh, there's only one private school with uniforms around here, and both genders have a choice of quite a few kinds of clothing for top and bottom, including shorts, skirt and pants. Wait, maybe there's not even a skirt. Not sure. Anyway, they're quite special. Forcing people to wear a skirt regardless of weather (or preference -- trans stuff aside, many girls just do not like to wear skirts at all).
Seriously, even if there were no trans people in the world, single-sex schools would be an abobination to me. Yeah, studies prove that most guys optimally learn differently from most girls, and blah blah. But that's just a matter of teachers being more creative and flexible. Not to mention there's probably a lot of guys who learn "like girls" and vice versa.
And I seriously don't see how people haven't understood yet how utterly unhealthy it is to separate genders in such a manner. It impairs people's social abilities, and contributes to perpetuate the meaningless "male clique" and "female clique" that stay separated. Not to mention it can easily deeply hurt any person who doesn't quite fit with what's normal for their gender, trans or not.
Sigh. I pity you all. I was in a two-week Cadets summer camp where I was put in a dormitory with only guys. Immature teenage guys who talked about sex and how they liked to be cruel to animals, and who smelled awful. There were girls on the camp, just not in the dormitory. It was hell. Anything remotely military is inherently hellish, but being stuck with only guys for such things was unbearable. Pretty sure being stuck with guys was a bigger part of the reasons why I cried and begged to leave after a few days. At least we had individual showers. If not I don't think I would have lasted one day.