Execute a school lockdown from the announcement

Practice the Standard Response Protocol lockdown order from school-safety training. Recover hallway students only if safe, then locks, lights, and out of sight. Doors are not opened for unidentified voices.

1. Sweep the hallway for students if it is safe to do so.
2. Lock the door.
3. Turn off the lights.
4. Move occupants out of the line of sight.
5. Silence devices and remain quiet.
6. Take silent attendance of who is in the room.
7. Do not open the door for a voice or knock.
8. Ignore fire alarms unless you see or smell fire or officials order an evacuate.
9. Release only when administration or first responders unlock the door.