GED/HSE Test Information - sponsored by New Readers Press. This is a great web site for many GED®/HSE information and free resources
http://www.newreaderspress.com/Items.aspx?hierId=3203
Typing.com - Many of our students are preparing for the 2014 GED® test. This site has a free option for practicing and improving typing skills - imperative for extended response and short answer assessment types.
http://www.typing.com/
Reading your Textbook Effectively and Efficiently - Dartmouth College. I fell on this site by accident, and found it really helpful for adult ed students who may have had some time since they last studies.
http://www.dartmouth.edu/~acskills/success/reading.html
How to Study. This site has TONS of great free material, focused on learning styles, organizing tools, goal setting and test taking strategies.
http://www.howtostudy.org/