How do I know if my guy friend likes me too?

Okay, I really like this guy who was been my friend ever since this school year began. He's so cute to me and funny and just has an over all great personality. We talk with each other a lot, it's not awkward being around him. All of our friends say we would make a great couple or that we should date. I think we are flirting with each other but I don't quite know. We are both 12 years old. (Yea, I know, guy trouble at 12) It's just, I really like him. I... Dreamed about him. We make eye contact when we talk, I find that I look at him a lot but see him staring back sometimes. We sit at the same table at lunch directly across each other in booths. Any advice?