Why don't I have a boyfriend?

I go to a private school so there is a small selection of boys but anyways why dont I have a boyfriend most of my friends do.Im pretty i guess and I have a good personality.Like im fun to hang around and im very outgoing and stuff.Idk whats wrong with me lol I dont really get asked out.Ive gotten asked out by one guy in a whole year at this small frickin school