http://www.studyisland.com/ A website with state test based questions to help students prepare for the End of Grade tests.
FunBrain.com Internet Learning Games is an award winning website for students in grades K-8.
Mightybook.com features read-aloud picture books, sing-along songs, video song books, poetry, story-writing and illustrating contests and learning games designed for children ages 2-12.
http://www.nationalgeographic.com/kids
Check out the Kids Magazine. Enjoy such educational games as "Go West with Lewis and Clark," "The Underground Railroad," or "Secrets of the Maya Glyphs." Enjoy Activities and Experiments, Creature Features, or the Cartoon Factory.
Wacky Web Tales
http://www.eduplace.com/tales/
Wacky Web Tales is an online version of MadLibs that allows students to have fun with the parts of speech.
The Yuckiest Site on the Internet
http://yucky.kids.discovery.com
This site lets children explore Worm World, Gross & Cool Body, Roach World, as well as games and mad science.
CoolMath.com
Have fun while practicing your math through lots of cool games, activities, and animated demonstrations. Includes coloring pages for young kids, and helpful sections for teachers and parents.
This is a great website to help students memorize and learn their multiplication facts.