“Chances are, you’re never ever going to have to use this. If you do, it’s gonna be scary,” Kate Carleton told the 20 or so 8- and 9-year-olds. “But because we’ve taught you what to do, it makes it a little less scary.”
She spent the next 30 minutes teaching them how to stop a wound from bleeding out.
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Although a child dying at school in a mass shooting may be unlikely, a child dying from a gunshot is not. Firearms are the leading cause of death among people 18 and younger in the US, accounting for nearly 19% of all childhood deaths.
Any training needs to be tailored to age.
Training for 5 year olds should be mostly about thinking about not putting themselves in danger, recognizing when somebody needs help, and getting help.
As for high school age you can get certified as an EMT at 16, so high school age can handle this type of class.