Business Insiderflipped into Entertainment7 young adults went undercover as high school students and found life as a teenager today is nothing like they rememberverified_publisherBusiness Insider - Mark AbadiYou couldn't pay most people to relive their high school experiences. But that's exactly what seven young adults did on the new A&E documentary series "Undercover High," which premieres on Tuesday. The show follows the seven participants, ages 21 to 26, as they pose as students at Highland Park High …
