What's this boy's problem?
If you answered, "nothing," then I agree with you! I don't think this boy has a problem. He conducts business with his uncle and farmers around his area. He can calculate mathematical figures, he can memorize information, he can read maps, he can build things, he can help people. He just cannot "do" school.
He isn’t slow; he is not mentally deficient. But he does need to have academic experiences that relate to his life. How are the names of the Presidents going to help this boy? In all reality, they probably aren’t going to be of any use to him. Just like a bookend or a broom holder would be of no use to his mother. He can’t name the imports or exports of Chile, but why would he want to? Why does he need to know how wide a highway is? How is knowing the Articles of Confederation going to make him a better citizen? And yet, these are the things he "needs" to learn.
Interestingly, when this boy was actually engaged in something at school, the vacuum, his teacher rejected his application of it to his life. I think that this is the real problem: teachers misunderstand their students. Teachers need to understand that some kids just are not going to be interested in activities that have no bearing on their life. Some students don't care about "What a Daffodil Thinks of Spring." For those students, teachers need to create and facilitate learning of real, applicable activities - activities that require knowledge and creativity, but can be used when they leave school. For the boy in the story, maybe an experiment with a diesel engine, or a report on how they work. Or let him create a report about how he can save his uncle money with his business.
For those students who like to ponder about what flowers think of the different seasons, just let them keep doing what they are doing.