It would be considered a fact if there is a law against it.
The plot is about how middle schoolers evolve. The setting of the school shows the everyday life of the main middle schooler going through the struggles of being a preteen and the preparation for high school. (If this doesn’t help google the plot of the story and think about the setting and the the relation.)
A
The narrator's honesty in a matter that doesn't entirely complement him makes him seem genuine.