Large group of teenagers in the classroom. Published 05/07/2017 at 1698 × 1131 in Large group of teenagers in the classroom. Group of teenage students sitting in the classroom and writing in the notebooks. [url=http://www.istockphoto.com/search/lightbox/9786738][img]http://img830.imageshack.us/img830/1561/groupsk.jpg[/img][/url]