you will need to create a page template to use for those pages you don’t want a sidebar on
http://codex.wordpress.org/Pages#Creating_Your_Own_Page_Templates
basically make a copy of the theme’s page.php using above guide
remove the call for the sidebar
save it as whatever.php and upload it to theme folder
select this page from drop down in add/edit page editor in right sidebar
Unfortunately that doesn’t work with the eDegree theme because the sidebar call doesn’t appear in the page.php file, but rather is included in the header.php file. I want to do the same thing as the first poster, but haven’t quite figured it out yet. Guessing the new page template will need to also call a custom header file with the sidebar removed? Not sure yet..
Actually in the eDegree theme, the sidebar call is in footer.php
Whodathunkit.