Here are some links that you may find helpful.

Discovery School
Discovery School is dedicated to making teaching and learning an exciting, rewarding adventure for students, teachers, and parents.

The History Channel
The History Channel web site provides additional resources for teachers and students, that tie into their daily programming. 

How Stuff Works
How Stuff Works is widely recognized as the leading source for clear, reliable explanations of how everything around us actually works.

Microsoft Encarta
MSN Encarta you will discover a selection of Encarta Encyclopedia's 35,000 articles and awe-inspiring multimedia.

A+ Math
This web site was developed to help students improve their math skills interactively.

Jiskha Homework Help
This website assists thousands of children and teenagers with schoolwork everyday by publishing educational content and providing instant-answer services for students who need urgent help.

RefDesk Homework Helper
My Homework Helper is an excellent place to start your Internet research and explorations.

Multnomah Library - Homework Center
The Multnomah County Library Homework Center, an Internet subject directory, consists of Web resources that specifically concentrate on K-12, homework-related subjects.

I.S.B.E. Homework Help
A collection of homework resources provided by the Illinois State Board of Education