Single-Sex Schools Are a Form of Segregation

According to Wikipedia, single-sex education, also known as single-gender education, is the practice of conducting education where male and female students attend separate schools or classes. The practice was predominant before the mid-twentieth century.
Single-sex schooling was traditionally used for secondary schools in the United Kingdom, but most UK schools are now coeducational. The number of single-sex state schools has fallen from nearly two thousands and five hundred to just over four hundred in 40 years.
On the contrary, in the USA, single-sex education is on the rise. There were only two single-sex public schools in the 90’s; today there are more than five hundred public schools in that offer some single-sex classes.
The movement is based on the belief that there are differences in the ways that male and female brains develop and function. It requires classrooms in which boys and girls are not only separated by gender, but also taught according to radically different methods.
But can we consider that girl schools are a form of segregation ?
We’ll see on one hand that single-sex education reinforces sex stereotypes then we’ll see on another hand that it’s also a bad preparation for “the real life”

I. Single-sex school is a reinforcement of the sex stereotypes
By treating them differently, it can create some inequality between the two genders. We had already tried in the past to separate people depending on their differences: It creates inequality and frustration.
Boys who spend more time with other boys become more aggressive and in the same way, girls who spend more time with other girls become more sex-typed.
The single-sex education’s advocates argue that boys are more receptive to loud and confrontational teachers while girls prefer to be approached by a gentler touch. But for a sensitive boy or an assertive girl, this teaching style could be ineffective (at best) or detrimental (at worst). For example, a sensitive boy might be intimidated...