I know exactly what you're going through, and I know how it hurts sometimes. Lakeside (where I live) is extremely horsey ( and SMALL. What a beatiful combo), so if you know kids at school with horses, theres a pretty high chance that you board with them, show with them, compete, trail ride, whatever with them. It's small and everyone knows eacother, if you catch my drift.
That makes it extremely hard for me, because my horse is my buisness, and I don't want what I do with her, how I'm training her, or whatever, strewn across school. And guess what? It happens. All the time. I know these two girls, their sophmores this year, and they have really nice barrel horses. They've gotten every horse they've ever wanted served to them on golden platters and have never had to work for anything. And they think it's REALLY fun to sit and watch me train my mare, and pick out everything I do wrong, everything my horses does wrong, and everything we lack in, and compair it to their extremely well trained, older horses. And to top it all off, they spread it all around school so everyone else knows too. And it drives me nuts, because I worked for six years in able to get where I'm at, to have the horse I have, and the things I have, and I never got help from anyone. I worked, and I worked REALLY freaking hard, so It's pretty acurate to say that my BLOOD, SWEAT, and TEARS, are in that horse. So you can bet your socks that when they tease her, compair her to their horses, ridicule her, and comment about how ugly she is, I want to rip their faces off.
The girls you're dealing with sound an awful lot like the girls I have to deal with. If they want to compete against you, say "Go for it," because I bet you fifty bucks your horse will kick their asses. And if they want to talk ****, talk it back. Build your horse up. Hey, you'll feel better, and I bet they won't see it coming. =)
"I was eight years old, and I've never forgotten her face when she told me about watching you ride. She told me she saw you, and your horse was dancing in the moonlight."
-- A.C. Crispin's "Sylvester"