Clever allows you to access all the district apps available to you.  

Khan Academy is a great way to get help with what you're learning in school or to learn something completely new.

Created for kids in grades Pre-K through 8, Funbrain.com has been the leader in free educational games for kids since 1997. Funbrain offers hundreds of games, books, comics, and videos that develop skills in math, reading, problem-solving and literacy.

An online dictionary and thesaurus.