i know this response isnt totally specific to your question. I go to rival OTIS college of art and design in westchester. Im in the digital media program, focusing primarily on the same preproduction type stuff that you seem interested in.
as far as classes to take, it really depends on EXACTLY what you want to do. the industry is really specialized when you get out there. are you more interested in doing loose conceptual work? or are you interested in doing fully rendered production pieces?
the most important thing to know is how to observe. take as many life drawing classes as possible. learn how to look at stuff, and see everything thats there. rendering isnt really a big deal, but understanding the structure of reality is.
figure drawing is also a huge deal. if you dont have a deep understanding of anatomy, you are going to flop. this also goes under learning how to observe.
i attended community college for 2 years before transferring in, and i took pretty much all studio classes. 4 semesters of observational drawing, 3 semesters of figure, 4 semesters of design, 2 semesters of "illustration" (this was basically about weaving narrative into your artwork), i also took some digital classes.
if you have strong thinking/understanding skills, you will have an advantage. anyone can learn to render, but having the knowledge of whats behind it is whats important.
uh, hope that helps.