Make teaching and learning more efficient and enjoyable:

* Teach a traditional private class or an open public class using our free, web-hosted learning management system.
* Learn in an instructor-led class or at your own pace using our personalized study system.
* Benefit from 10,000+ community contributed resources including quizzes, experiments, web quests, projects and self-paced courses.
* Network and collaborate with members that share your educational interests in our secure online communities.

http://www.edu20.org/