Boys and girls who learn to communicate well will have fewer problems in marriage or work in the future.
In their opinion, co-education lowers tone of discipline.
This will help them to work hard and pay serious attention to their studies. Thus they will have a balanced development of their personality.
Boys will learn to behave decently in the company of girls. If taught together, they could no longer consider girls as strange creatures.
In ancient India, co-education was widely practiced. The chief argument in favour of co-education is economy.
It would be foolish to have two educational institutions at a place where only one will do.