Potty training part 3

Cullen had been staying dry most of the time and recently started asking us to go teetee. He is staying dry all day at school! I think they put a pull on during nap but said he has been dry! He still makes poo in his drawers and when we ask him about where its supposed to go he always says poopoo on potty! We can tell when he needs to poo but he runs away and refuses to sit and try. Making progress!