Hope the above poster answered your question. I just wanted to chime in that I'm not a fan of med/dental schools holding white coat ceremonies prior to the first year. What have we accomplished? Nothing. That coat will mean nothing to you relative to what it could mean later. Plus what about all of the burn-outs who get coats and drop out of school?
At my school you don't get your white coat till prior to third year, right after you pass your boards and right before you enter the clinic full-time treating patients. Makes more sense to me, but I guess each school has their ways.