Welcome 12 Be a pilot.
Please use the search function as all of these questions have been answered.
In short 1- No
2- depends entirely on the world and BA's requirements after you finish. Crystal ball stuff really.
3- crystal ball again
4- do what you enjoy and can do well in. Apart from the usual suspects (geography, physics, maths) have a look at getting involved in subjects such as drama, sports and others in which you need to be involved with others.
Last edited by BUGS/BEARINGS/BOXES; 10th Apr 2013 at 16:04.