Also, do take a realistic look at the legal market. There are many articles, posts etc examining the cost of law school vs employment probabilities and for the majority of graduates from the majority of law schools they aren't great (from a financial perspective). Do reasonably well from a T3 law school or extremely well at a T14 and your prospects are quite good, even in this economy, but outside that the statistics are less than great.
As far as what you can to do improve admission prospects, focus for now on doing extremely well in college. Shoot for a 3.9+. If you want to start LS right after graduation you'll need to have your applications in fall of your senior year which means taking the lsat the june before you start your senior year so start taking practice lsats and studying sometime in the fall or spring of your sophomore year. Better gpa and lsat make a huge difference on admission - not just on what you can get into, but on how much money lower schools will give you (the T3 don't give out merit based cash at all as far as I'm aware). A 3.9+ and 170+ and you can likely go to a lower T14 for free or close to it (free as in no tuition cost, you'll still have housing cost and opportunity cost).