1.That isn't good idea because of both guys and girls should communicate to opposite sex for good sanity,but on the other side students are more concentrated.
2. Social life is advisable because thats giving good psychical condition and relax, but in this time childrens could learning or doing homework
3. Children should decide about their future because they know the best what they like to do, But parents usualy knows what is best and more lucrative for they childrens and they have a life experience
zmieściłem wszystko w 1zdaniu ale jest poprawne