General information about copyright. Near the bottom of the page has education and copyright. Includes a table with what's copyrighted and what's not. Also has links to the actual federal code.

This is a good site for teaching phonics. It has stuff for beginning readers to kids that are a little more advanced (reading short paragraphs).

This is a good site that has pdf downloads for prek-5th grade. It has flashcards and worksheets.