Google CS First is a free program with curriculum and resources to from computer science clubs for kids ages 9-14. It can also be used in school. It has a lot of resources and themes, including Music & Sound (create a music video and build an interactive music display), Fashion & Design (build fashion-themed apps), Storytelling (create interactive stories), Game Design (code a game), and so on.
Materials include videos, lesson plans, tips and programming in Scratch and are easy to find and use. This is a great way to get students interested in programming and computer science, and also a great way to get them thinking critically and creatively.
Lesson plan pages: