As of 12/8/16 Tumble books can not be accessed from Schools. However they can still be used at home using a public library card.
To get to Tumblebooks, go through the FinditVA link (http://finditva.com/) and select “E-Books” This site also has books in Spanish.
Storyline Online is provided by the Screen Actors Guild Foundation.
This site also has comic books in Spanish.