–The best thing for you to do is come straight forward with it. Ask him what’s wrong. If he tries to dodge your questions - ‘scare’ him with some kind of punishment. You have to show him that it’s important to study. And it’s important to tell what’s wrong to your parents.
The teacher knows that it all sounds simple, but it always very hard to do. He knows it pretty good because he have the same problem with Ernest. Yet, he can’t ‘scare’ him, because Ernest doesn’t care about punishemnts. Or Hugo just haven’t bring something really harsh and scary.