Unsupported fears of youth violence in schools has led to an expansion of school-based policing and zero tolerance discipline. The historical reality is that America's public schools are very safe, even when located in high crime neighborhoods. Yet, school discipline is becoming increasingly punitive, moving from the schoolhouse to the courthouse.…

In late October 2000, Franklin Scott and Nicholas Thomas, 11th-graders at a high school in Alachua County, Florida, each displayed a Confederate flag on campus. Scott did so on his pickup truck, and Thomas did so on his T-shirt. The principal, Lamar Simmons, had given each of them a warning when they had engaged in such conduct earlier in the…