CMU CS Academy is a project in Carnegie Mellon University’s School of Computer Science that is developing a world-class, online, interactive high school computer science curriculum that is entirely free. It is currently being used by over 2,000 students in over 60 schools nationally and a few more internationally with over 200 schools planning to use it in the fall of 2019. There are a great number of resources to introduce CS in the K-8 space, and there are AP CS...