So as of right now im only 14 and an 8th grader, but I am getting a head start on planning for college. I want to be a cardiologist which will require a lot of college schooling. What classes do I need to take in high school/college?

Also, I love to play softball. I am currently in color guard but colleges don't have color guard. Since I will be in color guard in high school, I can't be in softball. I was hoping to be able to do softball in college, but my parents bag to differ. They say that I won't have time to do softball.

Or do I?