If you applied RD and still have a 1200, then I’d say unlikely but not necessarily impossible. A 1200 is pretty far off from the middle 50%, and even though being a minority helps, usually they’ll accept a minority with like a 28/29 on the ACT, and your SAT score is equivalent to a 25. Your GPA is pretty good, but it also depends on what kinds of classes you’ve been taking; if you’ve been really challenging yourself and took like 15 APs then it might be able to outweigh your SAT score. You have good extracurriculars and impressive awards, but they aren’t necessarily going to stand out in comparison to the other competitive applications to Vandy. I’d say it’s a longshot, but not impossible. Good luck!