Pixar’s RenderMan Certified Courseware is divided into four main categories. The "Fundamentals" section covers all of the key concepts of Pixar’s core rendering technology
says the article,
Backed up by a formal Certification program, Pixar’s RenderMan Certified Courseware provides access to the hard-won experience of the world’s most advanced RenderMan users, and represents an invaluable resource for production focused techniques and insights unavailable elsewhere.
You can find out more about this courseware at VFXWorld.