With such high fluctuation in Bitcoin price, you should continue to attend college so that if the market collapses, you still have your options open
You need to keep a balance in between all the things and that you need to handle the things in a way that can help you in learning and finishing your studies as well as helping you in making of some good money while being into the world of the crypto currencies. if you will choose any one thing and will leave other one, then it will be very much difficult to handle the things in a better way.