Geography

50States - everything you want to know about our cities and states.
Take a World Surfari to any country!
National Geographic, challenges students with five new geography questions every day; prizes are available.

Math

Ask Dr. Math browse through previously submitted questions and answers, or submit your own questions.
MathSurf More math educational games and fun.
Real Numbers for math in real life.
Geometry (Shapes & Space) made easy! Really, really.
 

Social Studies

6 Billion Human Beings. This online exhibit from the National Museum of Natural History in Paris offers information about the growth of the earth's population with a running clock of current populations by the second.

History

Timelines - American Museum of Natural History visitors can travel back to different time periods in the history of the earth.

Science

A Science Odyssey - PBS Online offers biographies of scientists and inventors; information about inventions and discoveries; and interactive games about the history of technology and medicine.
Science AGoGo Science with a sense of humor, where questions are answered and mysteries of the universe explained with lively graphics and even livelier writing.
The Challenger Center Online educational resources, activities and programs to capture the inspiration of space exploration.

Biology

Ask a Biologist Arizona State University's Life Sciences Visualization Group, invites elementary through high school students and teachers to submit questions about biology; games and experiments are also included.
Chemistry for Kids - Matter does matter, but what are its elements? BioBLAST - (Better Learning Through Adventure, Simulation and Telecommunications) is intended as a multimedia curriculum supplement for high school biology students; students are encouraged to conduct their own research based on work being done at NASA.
Cool Science for Kids - Howard Hughes Medical Institute, offers online activities, project ideas, and information about a variety of biological topics.

Still can't get enough homework help? This powerful website, HomeworkSpot definitely has everything you need!
DiscoverySchool Study tools, games and learning adventures

Ben's Guide to U.S. Government for Kids At last a easy way to learn about our government.

The Family Education Network has parenting advice, homework helpers, newsletters, and topics for little kids, kids and teens.

Hurrying to get some research done, but no time to run to the library? Then try the Internet Public Library - Everything your library has is all here! Also try the Kid Space portion of the Internet Library for answers to your questions and fun stuff, too.

School.com has just about anything and everything you could want from tools from supplies, dorm essentials, techie tools, and more.

Word Central - Need to know what a word means, or use in context. This is the fun way to do it!
AOL Hometown has Back to School homework help links, tons of them!
NASA has some help for students as well, one of them is for budding astrobiologists. Learn what this timely and fascinating field has to offer.
Fact Monster - This IS a monster page of facts of all kinds.
FunBrain - Games, quizzes and other helpful information.
KidInfo - Homework help, reference resources and fun sites.
It's never too soon for teens to apply their math skills at the Motley Fool's School of Money Matters and prepare for the world of finance they'll encounter.

Ask Jeeves now has a Kids search engine.

Yahooligans! Featuring comprehensive safe surfing, games, homework help, and many kid friendly activities.

Funschool - educational games and activities; the activities are organized into grade levels, from preschool through sixth grade.

InfoPlease Combining the contents of an encyclopedia, a dictionary, and several up-to-the minute almanacs loaded with statistics, facts, and historical records.

For little kids - Willy Wonka's website offers multimedia games, trivia quizzes, and other learning activities about inventing, animals, and space science.

Good 'ol Billy Bear will help you work towards graduation