- (grades 3 and up) Grolier Online Kids
- Animals, countries, states and more.
- CultureGrams Kids Edition
- Up-to-date cultural information on countries across the globe.
- (grades 3 and up) Encyclopædia Britannica Online
- General information on many topics.
- (grades 4 and up) Gales Virtual Reference Library
- Information on a wide variety of curriculum subjects.
- (grades 4 and up) Oxford English Dictionary
- Definitions, pronunciations, origins and examples of words in context.
- Merriam-Webster's Word Central (grades 4 and up)
- Word definitions and a thesaurus.