This is their course designed to be followed after their free Try Elixir course.
https://www.codeschool.com/courses/mixing-it-up-with-elixir
LEVEL 1
Citizens of the Unknown
Learn how to work with functions that can be assigned to variables and passed around as arguments to other functions.
LEVEL 2
The End Is the Beginning
Explore how to use pattern matching and recursions to iterate through lists.
LEVEL 3
Tuples & Maps
Discover how to pass options to functions and other ways to work with collections of elements.
LEVEL 4
Control Flow
Experiment with how to write control flow with the cond and case statements as alternatives to if.
LEVEL 5
The Mix Tool
Learn how to use Mix to create projects, run tasks, and manage dependencies.