WatchKnowLearn has indexed approximately 50,000 educational videos, placing them into a directory of over 5,000 categories. The videos are available without any registration or fees to teachers in the classroom, as well as parents and students at home 24/7. Users can dive into our innovative directory or search for videos by subject and age level. Video titles, descriptions, age level information, and ratings are all edited for usefulness. Our Web site invites broad participation in a new kind of wiki system, guided by teachers. WatchKnowLearn does not itself host videos—we serve as a library for links to excellent educational videos that have been selected by educators.

Ali Kaya


Ali Kaya

This is Ali. Bespectacled and mustachioed father, math blogger, and soccer player. I also do consult for global math and science startups.


edX | Free Educational Tool for Lifelong Learners | Abakcus


edX is a website where you can take interactive courses from some of the world's best universities, colleges, and non-profit organizations. Computer science, engineering, the humanities, statistics, and data analysis…