As I have said before, MOOCs are a no-brainer for high school students who want to explore their academics interests and possible college majors. And for those of you who have not started exploring your interests outside of school, you should; it is not terribly time-consuming, especially with online options you can access 24/7, and colleges look favorably upon applicants who explore outside of school. These are also applicable to pre-MBA applicants!
The four below are from Coursera, and are available now for sign-up:
Creativity, Innovation, and Change, The Pennsylvania State University
Inspiring Leadership through Emotional Intelligence, Case Western Reserve University
Creating a Startup from an Idea, Israel Institute of Technology
Successful Negotiation: Essential Strategies and Skills, University of Michigan