blackboard.com
Blackboard focuses on technology and services to help students learn, not just one way, but their own way. Learn more.
Free K-12 educational videos … organized. Tens of thousands of excellent, educational videos in a huge, intuitive directory. Organized, reviewed, rated, and described by teachers. Ideal as a supplement to a curriculum or for independent study. Designed for teachers, students, parents, homeschoolers, educators … and all life-long learners!