Obviously, no one wants to have to use this training —certainly no one wants to even contemplate a mass casualty event. And chances are, they will not have to deal with that type of situation. While school shootings are terrifying for parents even to think about, they are, thankfully, rare. Still, there have been at least 100 reported firearms incidents in schools across the country since Sandy Hook. Most of them end with little or no loss of life, so they aren't widely reported, but the possibility is there and tragedies do, occasionally, occur. So knowing how to handle a trauma situation, to be able to mitigate the damage and, hopefully, to save lives, is more than worthwhile.