Textbooks could be history as schools switch to free online learning

 

Garnet Valley is one of a handful of Philadelphia-area districts, and three in northern New Jersey, that are in the vanguard of a nationwide movement to ditch traditional textbooks for open-source educational resources on the web.  

http://www.philly.com/philly/education/History-books-could-soon-be-history-as-schools-switch-to-free-online-learning.html