1 in 6 young people will experience an anxiety condition at some point in their lives. This means that up to 5 people in your class may be living with anxiety, whether that be OCD (obsessive compulsive disorder), social anxiety and shyness, exam stress, worry or panic attacks.
Source: What is anxiety? @ AnxietyUK
Photo: Savannah is raising awareness about social anxiety by The home of Fixers on Flickr under Creative Commons license