Melissa Caudle, principal of a New Orleans high school for behaviorally disordered students, has written a book on crisis-alert systems and confiscated loads of weapons. Her career has been devoted to helping neglected, abused, delinquent, and gang-prone adolescents. The school's program, which stresses personal accountability, conflict…

As a leader of social change in the South, Myles Horton (1) unionized southern textile workers and coal miners and advanced civil rights through his Highlander school; (2) conducted Highlander workshops for black leaders; (3) first popularized the song "We Shall Overcome"; and (4) initiated Citizenship Schools to help blacks register to…