Plan Your Free Online Education at Lifehacker U: Fall Semester 2013 [List of online courses from quality universities that you can take for free. Variety of subjects (not just computing), and more good suggestions in the comments.
Plan Your Free Online Education at Lifehacker U: Fall Semester 2014
The Hour of Code is a global movement reaching tens of millions of students in countries. Anyone, anywhere can organize an Hour of Code event. One-hour tutorials are available in over 45 languages for all ages.