Oh, Lily, I worry about you so much! I'm on holiday, but hey, I need to help a little sis when she needs it most, right?
First off, remember our little deal. I would never forget it, and neither should you. That's partly what keeps me going. It might not help you now, but it does me.
Okay, hmm. There's a few ideas I've heard from folks, other than the hotlines (please, do call them): what about asking your family for androgynous clothes. Based on your photos, I think you would appear as just another girl in them. You always will be to me, though, so if you need to talk, PM me!
Second, as mentioned, you do look like just another girl to me. Use this to your advantage; try to make new friends and introduce yourself as Lily to them. I mean, that isn't wrong after all. If they ask what your game is, it's that something is wrong with your hormones (also true!). It's possible (though not likely) to do this at your current school, and would work amazingly well at a new school. If they ask why teachers call you another name, you back that up by telling them your parents are odd, and liked the song A Boy Named Susan too much.
PS: Androgynous clothes are also girl clothes! Think of it that way, but present it as a compromise to your parents. It's not quite the cute top, no, but hey. It's the next best thing; you will see some girls in your classes wearing the same thing as you. And yes, why your body might be changing, it will never change the compassionate, loving girl inside you.
I'm having a rough time in life, too. I don't want to see you out of my life; you matter too much to me. If you can't save yourself, do it for me, your future, your vagina, a future romantic interest, whatever it takes, okay? I mean it. Now you be a good girl and have a safe afternoon, and please, please PM me if you need help (though not before hotlines)!