If you're looking for some inspiration, check out these 14 charcoal drawing ideas, and find a tutorial for each idea.
Learn Abstract Charcoal Drawing Techniques - Charcoal Dudek
Art Print Coffee and Plants Charcoal Art Coffee Lover Gift for
Charcoal Drawing designs, themes, templates and downloadable graphic elements on Dribbble
Charcoal Drawing for Beginners
How To Draw With Charcoal: Expert Tips
How to Draw With Charcoal - Step-by-Step Guide with Video
Intro to Charcoal Drawing - Easy Things To Draw
Charcoal Drawing for Kids - Art Lesson Tips and Tricks - Easy Peasy and Fun
Paul Sendor - Charcoal drawings (practice)
How to Draw with Charcoal - Charcoal Drawing Techniques
MaasArt - Here's my drawing of @chloegmoretz from a couple years