Free Video Lectures and Online Courses, 9-12

Free online courses can supplement secondary instruction. You’ll find video lectures, notes, exams, and support materials.
MIT OpenCourseWare
http://ocw.mit.edu/OcwWeb/web/home/home/index.htm

OpenYale Courses
http://oyc.yale.edu/courselist

Academic Earth
http://academicearth.org

OpenCourseWare Consortium
http://www.ocwconsortium.org/

Free video lectures:
Videolectures.net
http://videolectures.net/

LearnersTV
http://www.learnerstv.com/index.php

Lecture Fox
http://lecturefox.com/

YouTube EDU
http://www.youtube.com/education?lg=EN&b=400&s=pop