@CNN: Lockdown curtains and drill bags. Preparing for school shootings is now just another part of a teacher’s day. https://t.co/9lUgxRMBuD https://t.co/m5UpFwAq2B

@CNN: Lockdown curtains and drill bags. Preparing for school shootings is now just another part of a teacher’s day. https://t.co/9lUgxRMBuD https://t.co/m5UpFwAq2B