Fact Monster is a free reference site for students, teachers, and parents. Get homework help and find facts on thousands of subjects, including sports, entertainment, geography, history, biography, education, and health.
Awesome Library organizes thousands of carefully reviewed K-12 education resources, including the top 5 percent for teachers, students, parents, and librarians. It includes a search engine.
HomeWork Spot simplifies the search for K-12 homework help sites, reference resources, science fair project ideas, virtual field trips, study breaks, and more.
The BeeHive start with your grade level and explore different topics.
National Geographic Homework Help offers pictures, articles, maps, and multimedia presentations on an array of subjects.
Internet Public Library
Library of Congress
Games and Quizzes
U.S. History for Kids From PBSkids
The World Quiz - Find out how little or how much you know about The World Today, World History, or Science and Technology
Want to try your hand at some math problems?
Need to Work on Your Vocabulary?
Vocabulary and Grammar