Malpaso,
I congratulate you on trying to solve this problem with your school. My experience in education leaves me to believe that most schools stick their heads in the sand and try to convince themselves that "it won't happen here."
The school were I teach hasn't moved very far on the planning. Just worked out evacuation plans and "lock-down" procedures. They unfortunately haven't identified nor provided necessary supplies for the classroom in case of emergency.
I keep some materials locked in my file cabinet (FAK, work gloves, flashlight, utility knife, etc.) but that's all out of my own pocket.
Good luck and thanks for the thread. I've decided to update my kit of supplies.
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Also known as BrianEagle. I just remembered my old password!