Learning Express Library is a website that will help you sharpen your skills and improve your scores with online practice tests and self-paced courses.  Start now to help prepare for the ACT, AP, ASVAB, GED, GMAT, and SAT!  Plus many more courses are offered and you can work form home.  Users must have a public library card and use the card number as their ID.

http://www.learnatest.com/LEL/index.cfm/