There are several very good websites which describe the details of preparedness planning for citizens.
Irwin RedlenerEvery school should have well-rehearsed emergency response protocols covering a variety of possible scenarios, from fire to armed intruders. Schools should have good lines of communications with local emergency response officials and practice those relationships in drills and special exercises.
Irwin RedlenerDisasters like Oklahoma City and 9/11 were time-limited. The children who were affected psychologically could go to a place of normalcy.
Irwin Redlener