How to get a gf as a shy guy

Im not exactly an introvert, but I just cant talk when I am around someone I dont know well. In all my classes im the "quiet kid&qu...

Im not exactly an introvert, but I just cant talk when I am around someone I dont know well. In all my classes im the "quiet kid" but my close friends actually know that I talk a lot once I get to know someone. I also have a problem talking when there is a group of people.