The presenters at this event will all be students.
From the TEDxYouth@Baltimore site:
TEDxYouthDays will be held around the world simultaneously on November 17th and 18th. Here in Baltimore, the TEDxYouth@Baltimore will be held all day on the 17th. If you are interested in attending, speaking, or volunteering, please feel out the appropriate forms or give us a call at 410-402-4189. Space is limited so be sure to sign up early and get your spot at the first ever TEDxYouth@Baltimore YouthDay event.