David,
A lot of schools require three letters of recommendation, generally two from science (biology, physics, chemistry, math) professors, and one from a non-science. You can get three from science professors, instead if you prefer. In my opinion, it does not matter what level the class is, so long as you did well in it (read: A) and got to know the professor. I?m sure that the higher up the course level is, the better it would look though. So aim for upper level science classes, but get letters, if you feel comfortable now. It sounds like you are getting an early start, so I wouldn?t sweat it too much..just concentrate on getting good grades and having a good time. Just on an aside, two of my four letters came from freshman-year professors, while one came from an Organic chem prof., and the other from a dentist. Good luck.
Later on,
Zurich5
