I'm one of the six teachers in the six week class "Beginning" offered by Sketchbook Skool. This course is being run again in the next session beginning on September 30, 2016. You can read about it at the link above. You'll also see the other instructors in "Beginning."
Each week for 6 weeks you'll gain access to a new class with a new instructor. It's a great way to learn a bunch of different approaches and ways to improve your drawing and build your drawing habit. And you'll have access to the large community of students with who you can share your work and chat about sketching. You'll be inspired by the people you meet.
If you've taken "Beginning" there are other courses being offered by Sketchbook Skool this session that I'm not teaching in, but which I know are great courses. Click on this link to see all the courses offered this session. (Scroll down until you see the heading "Kourses this term.") The courses can be taken in any order.