School security requires layered protection: perimeter fence, single controlled entry with intercom and camera, visitor management system (background check before entry), interior classroom door locks that lock from inside, panic buttons connected to police, regular lockdown drills (not just fire drills), and a School Resource Officer (armed or unarmed depending on state law). Also critical: anonymous tip lines, threat assessment teams, and coordination with local mental health services. Don't over-militarize – create a welcoming but vigilant environment.
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