[Anechoic]

how rare are fires in schools? We extensively prepare for those

Teachers/staff prepare for those by knowing how to evacuate students from the schools and calling 911. They aren't expected to actually fight fires, aside from using a fire extinguisher.

"Readily available" can be addressed by concealed handguns that aren't too easy to get to; you might have to give an attacker a "first bite of the apple" in favor of making them too accessible. On the other hand, a few M4s in a quick to open safe in the principle's office ought to be doable, as long as the staffers there have the right attitudes, to "march towards the sound of canons".

In order for that to be effective and safe, those teachers/staffers will have to regularly train with those weapons in addition to their other duties. Look at the NYPD - we have a population (police) that are trained to use firearms and have to qualify at certain intervals and yet their rates of accidental firings were so high that they needed to have their handguns modified to reduce those accidents. Despite their training, their hitrate when they actually use their weapons on duty is abysmal.

Unless you have teachers/staff that are already firearms enthusiasts, they are probably going to be reluctant to add range time to their calendar, and putting a firearm in the hands of a poorly trained user will end badly.

[hga]

Surely the scale of a single active shooter matches something like using a fire extinguisher vs. "fighting a fire".

As for "effective and safe", so you'd think, and so did I (who started shooting in 1st grade in 1967 (sic)), but civilians with little or no training have demonstrated an amazing ability to responsibly use firearms in self-defense.

Police in general are not useful comparisons. They're required by their jobs to go in harm's way and frequently use their service handguns. The NYPD is a particularly poor example, they are run by people who don't understand guns and equip their men with ones that are particularly hard to shoot accurately---as you sort of note they prefer this vs. negligent discharges---and we learned after the recent debacle that their training, initial and continuing, is really subpar. And there are much better ways to avoid negligent discharges, the NYPD is the outlier here.

That's also why I suggested the option of M4 carbines. Long guns are a LOT easier to shoot correctly, skill with them doesn't seem to degrade like it's said to do with most people with handguns, with good choices of ammo they're more effective and less dangerous than handguns, etc.

[jbattle]

If the NYPD can't get it right, what's the chances of the Oswego IL school district getting it right? And each of the other ~100K public schools in the US?

[hga]

Much, much better. New York City is totally politicized, else they wouldn't have done something as insane as using FMJ ammo until too many innocent bystanders were hurt through over-penetration and ricochets. Places where this is too politicized won't even do this, otherwise there's a good chance that people with a clue will be involved. We do know how to do this correctly, and note again, the NYPD situation is with handguns, it doesn't apply to the M4s in a safe concept.

You know, people normally hold out New York City as an object lesson in how not to run one, I'm amazed by anyone who thinks otherwise.