Potty time

Ryker has refused to use the potty. I'm not sure why, but he is more than happy to wear a wet, dirty diaper all day long and sees no need to use the toilet (I think it takes away from his play time). Since we've moved we are right across the street from an elementary school. Ryker likes to watch the kids going to school and wants to go to school too. I've told him that he can't go to school if he doesn't use the potty, occassionally, when I tell him that he will immediately go to the bathroom and sit on the potty (but never actually pee). The other day he was sitting on the potty when he saw his dad's book...