depends how brainy you actually are. and also to an extent it depends on who you know. cos u can get those arseholes who are born into monehy and dont really need education!
if youre clever enough, you might be alright. a guy who i sort of know, i think he finsihed school at 16, but was so good at computing, he ended up doing contract jobs in london getting paid about £400 a day, and he was only 18 at the time. with no higher education at all.
i however am in my third year away from school and definitly know that its quite hard to make it without the relevant experience or qualifications. so im going to uni next year for sure!
the main benefit of me being out of education for so long is that i know i should work as hard as possible to get the best qualifications while i can. dont jsut pick a random university course if you arent sure of what you want ur future to hold