How to choose the right swimsuot for my body?

IM young, in school still. My body is: i have longish torso, and longish legs, my thighs are"bigger" as in not stick thin. lol. I have barely there curves that are still visible, a toned tummy and legs and rest of my body. SO i sortof have curves. My shoulder blades stick out just barely. also, dont shave...down there yet lol! MY bust i small, im only a b, or a larger a, and my butt is not like tiny but not big either, but in between! thans so much for this greatly appreiciated help!