***A ten-year high school reunion interrupted by a warthog monstrosity...*** ...that pretty much tells you everything you need to know about “Killer High” (2018), as far as plot goes. It’s a made-for-TV horror/comedy with several laugh-out-loud scenes and some interesting filming techniques, like angles and stills. The warthog monster is linked to the school’s mascot and it’s ferocious, but kin...