Unto the students, unto the teachers, and unto the citizens within general, within said active shooter situation, no matter where said situation occurs.

If you are unarmed, and if it is safe and clear to do so, escape if you can, protecting those around you, if you can, and if you are trapped, fight like hell to save your own life and those around you.

Do NOT cower.

Do NOT hide.

Go after the bastards within mass, and take their sorry asses out, within every tool that you can gather.

If you are armed, fight back immediately, and take them out within extreme prejudice before the unarmed charge them.

The attackers, no matter their motivation, are cowards, and as such, are not expecting a counter attack, and shall not have an clue as to how to respond unto it.

Should they wish to commit suicide, help them within that path, as quickly as possible.

Some will surely be hurt.

Some may be killed.

But not nearly as many as intended by the cowards, or terrorists, should we wish to fight