@CNN: Lockdown curtains and drill bags. Preparing for school shootings is now just another part of a teacher’s day. https://t.co/4WxqlI1I4g https://t.co/xDOiqdudTY

@CNN: Lockdown curtains and drill bags. Preparing for school shootings is now just another part of a teacher’s day. https://t.co/4WxqlI1I4g https://t.co/xDOiqdudTY