http://qz.com/414326/how-elon-musk-is-educating-his-children/ Extraits:

Musk describes a school without the traditional grade structure of American primary education, with the goal of catering to students’ aptitudes not by arbitrary schedules but in real time, and using problem-solving methods to teach critical thinking.

Musk says he decided to start his own school because other schools “weren’t doing the things that I thought should be done.” Presumably these things don’t include much of what Musk himself encountered as a student. “I mean, I hated going to school when I was a kid. It was torture,”