Shootings on campus have become one of the greatest and most frequent tragedies of our time. They endanger the welfare of students, teachers, and school staff, shatter communities, and provoke fierce debate about Second Amendment rights and gun control legislation. In this collection of articles, readers will encounter the best of The New York Times's reporting on this sad but common event, including a survey of the history of school shootings in the United States and reflections on why they've become a political hot-button topic. Through these pieces, readers are exposed to the many sides of the debate that rages against a backdrop of senseless violence against young people and educators.