Would it be a dumb move to make her your gf? YES
Would it be a dumb move to bang her? Depends.
If your one of those kids who actually cares about their hs rep and doesnt want to mess it up, then stay away from this slvt cuz that will probably get out that you did stuff with her and will thus lower your rep.
But if your one of those kids, like me, who doesnt give a fvck about rep, then bang the sh*t out of this chick. Doesnt matter what your friends say; what matters is what you think, and if you think shes hot, then go for her. So what if they say you can do better. I'll say this: Every guy has to start somewhere. You cant expect the first chick you get with to be extremely perfect and amazingly hot.
To be honest, I def had to move up the ladder regarding girls. The first chick I ever got with was a huge slvt, but I thought she was mad hot cuz she had a nice body and gigantic t*ts. If I had listened to what my friends said about staying away from her, I might not have gotten off to as early a start as I did. I started out small, and little by little I got better and better, till now where I know I can easily get with really hot chicks; slvtty and not-slvtty.
The decision is yours, but remember, everyone has to start somewhere. Just curious but what year of hs are you in? Either way, if this is a girl who you think you can become f-buddies with, then I personally would DEF go for it. It'll be worth the practice.