Free Video Lectures. "Learn almost anything for free. With a library of over 3000 videos covering everything from arithmetic to physics, finance, and history and 306 practice exercises, we're on a mission to help you learn what you want, when you want, at your own pace." Awesome resource!!!
Kahn Academy - saw a story on this on 60 Minutes this week. The site is FREE and has thousands of tutorial videos and practice lessons for nearly every subject. Teachers (and homeschool parents) can track their students' progress. Go at your own pace. Did I say it was FREE???