what's your favorite band? music is a good interesting topic. what's something you are passionate about? hobbys... Ask her to tell you what she is passionate about and what she considers to be important.. You will find out something. Greatness is that of many passions and virtues. Or ask her favorite color..
Try to balance what you like with her likes. If you only ask questions of her, she may feel like she's being "drilled". Conversations are communication of 2 or more ppl. You need to open doors for her to agree w/ YOU! Take into account the environment your meeting. School, outside, deli,.. A good opening is about the weather too! Engage in "chatting" by introducing the obvious (it's always a sure bet!) School: Hi, I saw you walking out of Mrs. Smith class, what do you think.. Outside: What a great day to play golf.. do you play? Deli: This is a great deli, have you tried the Hero sandwich? Weather: What a gorgeous day, doesn't that sun feel nice? These are suggestions for you to find some common ground right out the gate, that way you won't stumble & she has to answer cuz' she's right there w/you! Good Luck!