Discipline

I have one boy who is performing extremely well. His reading is concise and flowing. His time with me is full of patience and great behavior. I just found out through his teacher that he is falling behind again. My first reaction is to question if there is a difference of discipline wherein he is under-performing at school- but not with me. It is however, time to take a few steps back, and asses. ...fill in the sound-spaces that need to be reviewed.