According to the federal FDA, more than 4.6 million students report being current tobacco users. including 1 in 4 high school students. And from 2011 to 2014, e-cigarette use among high school students has increased nearly 800%. Click on the below image for an excellent summary PDF infographic on student tobacco use.
Meanwhile, the below 2015 data charts from the CDC's Youth Risk Behavior site demonstrate the pervasive use of both cigarettes and e-cigarettes among California teens (grades 9-12).
Content provided and maintained by the US Centers for Disease Control and Prevention (CDC).