First of all, children from the very beginning should learn how to communicate with each other. They need to learn social skills, be supportive and understand each other. Second of all, I believe that now women and men should be treated in the same way. A woman nowadays has the same rights as a man. She also wants to make a good career and succeed. So, it is essential in the modern world to understand that knowledge has nothing to do with a sex. Every one has the same access to the knowledge and experience and it is only up to a person how hard he or she wants to work to reach his or her goals.
Another important aspect of this is that if children attend separate schools they do not have common interests. They do not know what a person of an opposite sex likes, how he or she spends her or his spare time, etc. I think that it is not good for a long run. Some of them will create a family someday and they most likely will not have anything to share. They will not have common interests. They will have different friends and opinions about things. We had such experience a few centuries ago. Women grow up their children and men worked and gathered in the men' clubs in the evenings. I think it is not the way it should be. A family has many beautiful moments to share together.
To sup up, I think that children should attend the same schools because it will help them to become great, attentive and kind persons. Moreover, they will learn how to respect each other's