Jamestown professor announces candidacy for U.S. Senate Cannabis and THC vaping devices recovered at middle and high schools: On March 4, a student at Westlake High School and a student at La Plata High School were found to be A Simple Guide to Mouth to lung Vaping DOVPO One in 11 US teens have vaped cannabis, new study finds How to Vape Properly MTL, DTL & RDL Techniques Explained Student in Possession of Three Vaping Devices Containing THC: On November 24, a school administrator at Henry E. Lackey High School became aware of a student in possession of a vaping device.