Re: Miami University/ College Tips?
Even though you've already scheduled classes, you can change them. And I would suggest checking the class listing every single day until you find the time slot, teacher, and class that you want. Seriously, it'll be worth it. I don't remember exactly how to do that as its surely been changed, and its been several years for me.
As far as your comment that "it's what you want to do." That may very well be the case at age 16, that you believe in your heart of hearts that is what you want to do. At age 16, I was positive I was going to be a prosecuting attorney. Two internships with law firms and I was 100% positive I did not want to be a lawyer. You may think you know what you want to do, but until you experience the real world, you really don't know what you want to do yet. So my suggestion would not be to abandon your current plans, but be open to other opportunities that may present themselves.
Please hit me up with any specific questions you have. Baseclogger is a great resource as well, and is much less removed from the Miami experience than me.