Was his father like this also? The reason I ask, is the greatest determiner of antisocial behavior in a boy, is antisocial behavior of the father. It's a very clear genetic link.
Does he have any men in his life he can count on to be there for him?
The school should be involved in this. At his age, while what happens at home is important, its about what the school is doing. Is there a study team involved? Has he been evaluated or tested for learning difficulties? What is the school doing - besides failing him?