I would think he should do maths/science subjects if he can. However I am not and have never been good at the electrical side of things... nearly failed that stuff at uni
But I would think do the highest level maths he can and physics if it interests him and whatever else he is keen on.
In my experience it seems that for a lot of guys the best way to go is to do the trade first get out and start getting money and the life and when you figure out what you want to do go back to uni and do it then....
The guys at uni that were mature age students and there were quite a few of them that were electricians first and then went to study electrical engineering. They were the ones that had the experience and commitment to do it and not waste a year drinking. But that is just my experience.
I wish him all the best. But whatever he decides it seems that careers these days only last five to eight years so, if he changes his mind after he has done if for a little while - no big deal
