Hour of Code Python Tutorial for High School Students
See http://interactivepython.org/runestone/static/IntroPythonTurtles/index.html for a Hour of Code tutorial for high school students. It features Python program in a browser window, mutliple choice questions, Parsons Problems, and the ability to step through code line by line. It might be especially attractive for math teachers since it uses a turlte to draw geometric shapes.