I've found it helpful to send hard copies of tech-related newsletters home with students monthly or quarterly. These newsletters have tips for keeping students safe while online, simple computer tips, suggested software, web sites for each grade level, and other activities.

For samples of the newsletters, click on the links (these files were created in Microsoft Publisher, so the web pages may have some glitches for which I apologize):

January 2006
January 2006 Page 2
February/March 2006
February/March 2006 Page 2
April/May 2006
April/May 2006 Page 2