We have here the tale of a boy who was paralyzed by self-consciousness. He thought it was his problem, since others did not seem to have those issues, until one of his friends confesses that he felt that way too. So he began working on becoming good at what he was doing, and thinking about the situation, or other ways to convince himself that he wasn't the center of attention, even though he was.
It's one of the hundreds of Coronet shorts that got shown in school in the period between final exams and the end of the term, when there was nothing more to do in the curriculum. It's slightly better than many of them, because it's a problem that everyone has. However, it's told, as so many of them are, in a dull manner.