High school is nothing like it used to be.
That’s the message of “Undercover High,” a documentary series on A&E that follows seven adults who pose as students for a semester at Highland Park High School in Topeka, Kansas.
The undercover students, aged 21 to 26 when the show was filmed last year, took classes, joined clubs, and saw firsthand the struggles teenagers go through in their everyday lives. Even for the participants who graduated as recently as five years ago, their return to high school was completely different from their first time around.
Here are seven things the undercover students learned about high-schoolers that most adults don’t realize.