Careful not to breathe on the gloved hand pointing the gun at my forehead, I search for a point behind his head — anything but an awkward eye-to-eye stare. I stand still as my pleated cloth mask presses...

This story was updated Oct. 25 with additional quotes from administrators; it was updated Oct. 31 with another student quote. For the first time in this era of violence on school campuses, Sunny Hills...