Originally Posted by Pickles

Are you going for a degree in Physics? The Extension School only has four or so courses in Physics, none of them very rigorous, since they don't require or use calculus. Pretty much everybody who goes to grad school in Physics at a top-ranked school has a pretty solid grasp of physics using calculus. So, to work towards your goal, you'd have to take some of the Physics courses at FAS, which I believe you are allowed to do as a special student.

But maybe you are taking something else.