This week, December 4–10, schools all over California — and the world — are celebrating Computer Science Education Week with an hour of coding instruction. Hour of Code is a grassroots campaign reaching students in more than 180 countries, and is supported by over 400 partners and 200,000 educators worldwide. One-hour tutorials are available on a variety of partner sites (code.org, csedweek.org, hourofcode.com) in more than 45 languages. The week is designated to encourage students, school staff and administrators to...