THCa Lemon OG Disposable THC Vapes 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. Vaping: What you need to know NIH MedlinePlus Magazine Middle school students in possession of vaping device containing THC: On February 24, two students at Mattawoman Middle School, ages 12 and 13, were found to be in possession of a vape