I think there are pros and cons as the place where most people learn social morals and interactions. The good point of it is you can learn how to behave in the place only consisted of one gender.
Today’s our society still are an occupation most of members are one gender like politicians, nursing and so on. this sort of schools is fitting to this.
But also there is a bad point as well as good one. It goes without saying that this school styles unfit to up to date society persuaded equal rights. In this trend, this style is nothing but wasting.