How are Scout and Jem different by the end of To Kill a Mockingbird?
In addition to Jem having gone through puberty, both he and Scout have learned some hard lessons from the Tom Robinson trial and their experience with Bob Ewell, most obviously that good does not always win out over evil. Their father's faith in human nature and his belief in and respect for people has not prepared Scout and Jem for what they witness during and after the trial, despite Atticus's attempts to prepare them for what he saw coming. Jem especially was heartbroken over the Tom Robinson verdict. Scout changes in the sense that she finally begins to absorb some of Aunt Alexandra's painstaking and frantic efforts to womanize her; she becomes more mannerly, and more aware of how to behave in a graceful and dignified manner; she remains calm after the news of Tom Robinson's death, and at the end of the novel, she makes sure that Boo is escorting her home rather than the other way around.