Question: how has jem matured in to kill a mockingbird?
Answer: Jem takes this lesson to heart and continues to mature as Tom's trial grows nearer. ... Jem becomes more cynical and starts to see why Boo Radley stays inside, when the world that he lives in is so cruel. At the very end of the book all of Jem's maturity is tested when he and Scout are attacked by Bob Ewell.