Vaping weed is popular, but there are many unknowns about its safety : NPR Student in possession of vape containing THC: On November 13 at 1 p.m., a student at Davis Middle School was observed smoking a vaping device in a student bathroom. The device was Students at two high schools in possession of vaping devices containing THC: On September 16, a school administrator at Thomas Stone High School observed a transaction involving vaping devices inside the school. Pot vaping: Savvy teens hacking devices to inhale cannabis