If you can, do everything in your power to get at least antiandrogens before college is over. I've been made to wait by various professionals and not-so-professionals, and it had pretty bad consequences. I didn't have a visible Adam's Apple, but between 18, when I asked and started being made to wait by clueless people, and 20-21, when I finally got my prescription, one had appeared. That's a surgery I need and definitely cannot afford. What, five thousands? If I'd been more insisting with my clueless psychologist and everyone else who followed, and if people had been less clueless to begin with, and if I'd asked earlier... I wouldn't have had to worry about that.
Seriously, it won't have DRAMATIC consequences if you have to wait for 2-3 more years. But it's almost guaranteed that it will have quite a few consequences that you'll regret.
If you really can't get any medical treatment, get into spearmint tea, and drink a lot of it. And eat the leaves. (It's actually pretty tasty.) It's a natural antiandrogen. Its effectiveness is nowhere close to prescribed, specialized medication, of course, but it does help fight testosterone back until you can get proper medication. It's been used in natural medicinal arts to treat hirsutism.
Or if you're a bit more daring, you can start calling around, looking for a doctor willing to perform a orchiectomy on you. I don't know the details, but apparently it's surprisingly cheap, and it's the one most effective method in ensuring that things don't get any worse.
-Emily-: I don't mean to be a party crasher, but a remote friend of mine has been saying the same, looking at my pictures. She was like, you have the tiniest shoulders in the world, I don't even see what you're worried about. Well then I went shopping for a coat. And while I fit fine in tops in M, S and sometimes even XS, because they're made of elastic material, most of what I've tried on so far in coats hasn't worked. My shoulders are way too broad and it makes my arms stuck and unable to move properly. Which proves that my shoulders are indeed way above average.
Basically it's like those big nose dog pictures:

Because of how the picture is taken, the perception of the shoulders' width is thrown off, and they look much thinner in the picture.
I'm not saying it has to be the case, but there's a relatively strong possibility it is. And I'm not trying to bash on Ravenna, saying "you have awful shoulders" or anything. Just, as much as pessimism can be bad, exaggerated optimism can hurt later. "I should have worried about this more". I've said this a lot, when before I consoled myself thinking XYZ people said it wasn't so bad, and thus delayed action.