The Washington Post reports that the legacy of the Columbine shootings in 1999 has led to security-based concerns dominating school design. In an increasing number of schools, security decisions govern everything from where to place the principal’s office to what kinds ow windows will be used. While school shootings are still relatively rare, recent incidents have rekindled the discussion about measures that can be taken to keep children safe. Schools have begun to devote more resources to fostering a welcoming environment for students, setting up anti-bullying programs, and establishing anonymous tip lines in an effort to reach out to kids who might feel alienated by their peers. However, more must be done. In the recent school shooting incidents, it was a stranger, not a student, who was responsible. Colorado Governor Bill Owens says that security features added during a renovation of Platte Canyon High School allowed officials to quickly isolate a gunman in September and prevent him from harming more students. Architects say one of the crucial changes in school design that helps increase security is more careful consideration of where to place the principal’s office. In the past, the principal’s offices were considered a “hub” of the school. Now, such a design is antiquated. Principal’s offices are now placed at the front of the school, so any would-be intruder would have to pass through there first…