Chapter 15 Summary and Themes

Aug 15, 2025

Overview

Chapter 15 of To Kill a Mockingbird marks a turning point as the trial approaches, focusing on the threat to Tom Robinson and highlighting themes of racism, courage, and mob mentality.

Events Leading Up to the Jail Incident

  • Dill is allowed to stay with Scout and Jem after some discussion.
  • The Finch family experiences a peaceful week before tension rises.
  • Sheriff Tate and other men visit Atticus, discussing moving Tom Robinson to the county jail.
  • Concerns arise about a potential mob from Old Sarum and possible violence.
  • Link Deas questions Atticus’s decision to defend Tom, fearing for his safety and reputation.

The Night at the Jail

  • Atticus leaves the house with an extension cord and lightbulb, signaling he expects trouble.
  • Jem, Scout, and Dill secretly follow Atticus to town and find him outside the jail.
  • Four cars of men arrive, intending harm to Tom Robinson.
  • Atticus tries to protect Tom and remain calm despite the threat.
  • Jem refuses to leave when ordered, showing growing maturity and concern for Atticus.
  • Scout diffuses the tension by recognizing and speaking to Mr. Cunningham about personal matters.
  • Mr. Cunningham relents and tells the mob to go home, averting violence.

Aftermath and Themes

  • Atticus reassures his children and thanks them for their presence.
  • Mr. Underwood, armed and watching from the newspaper office, was ready to intervene.
  • Scout is still confused about the seriousness of the danger; Jem understands more.
  • The chapter exposes the depth of institutional racism and the threat of vigilante justice.

Key Terms & Definitions

  • Mob Mentality — when individuals in a group lose their sense of individuality and act differently, often more dangerously, than they would alone.
  • Lynch Mob — a group of people intent on violence, often to execute someone without legal trial, especially in racially charged contexts.
  • Change of Venue — moving a trial to a different location to ensure fairness or safety.

Action Items / Next Steps

  • Review themes of racism, justice, and courage as seen in the chapter.
  • Reflect on character development, especially Jem’s increasing maturity.
  • Prepare for the events of the trial and their significance in the story.