One would think that a schoolmaster would have excellent insight into the behavior of children and young adults.
In any case, a quick look at the commonness of bullying (e.g. https://en.wikipedia.org/wiki/List_of_suicides_that_have_bee...) should quickly persuade anyone that Lord of the Flies, despite being fiction, is not all that unrealistic.
One would think that a schoolmaster would have excellent insight into the behavior of children and young adults.
In any case, a quick look at the commonness of bullying (e.g. https://en.wikipedia.org/wiki/List_of_suicides_that_have_bee...) should quickly persuade anyone that Lord of the Flies, despite being fiction, is not all that unrealistic.