The first thing you need to ask yourself is "why am I bored at College?" Is it because you feel you are too smart for the classes? Or just don't like the subjects? Things change once you actually get into a real major. The first two years of College ARE boreing, deal with it.
NNPS is not an easy way to enlist. The academics are tough, but the SELF DISCIPLINE to learn how to study is even more important. If you don't have good study habits now, the Navy will enforce some on you. Don't like to study? Tough CHT. Deal with it.
Uncool people? Dude, let me tell you what. EVERYBODY is uncool. Deal with it. People in Boot will be uncool, your classmates at NNPS will be uncool, you shipmates will be uncool. It's all whether or not you can deal with it.
The real question you need to ask yourself is what the heck do you want to do with your life? Does going into the Navy fit into that? Or are you just flailing around for something and hit on this idea as opposed to going to Ft. Lauderdale and getting snittfaced? You want to serve your country, fine. You just want to get away from the 'rents? Well, go get a job and an appartment. You want to join the Navy you are making a committment of a number of years of your life. Once you are in, you can't just quit because you are bored, or the people aren't cool. You could get kicked out, but that would make YOU uncool, and have severe repercussions on your later life.
As for going to college while in... well... depends on you and how much you like sleep. For a Nuke, for the first 3 or so years, Fergeddaboutit. You will NOT be approved for classes by your command while in the pipeline, you won't have time anyway. When you get to your boat, you won't be approved until you are qualified, which depending on how much of a hard charger or dirtbag you are can be anywhere from 6 months to 18 months. It also depends on your ships schedule, if you are on a boat, its very very hard to take any kind of real classes when you are under water. Targets, well they have some classes on board, but generally not higher level courses. Mostly it's all the stuff you consider "boreing" right now.
First thing you need to do is figure out where you want to go. Free your mind, and your A$$ will follow.