This outlines an experienced but intuitive idea of how a professional teacher develops. The Hoenny Center's work is focused on Stages I and II of this chart, but that doesn't mean that we don't think about all of it.

Five Stages.pdf

And for you visual learners, here's a graphical representation of the ways that the Five Stages framework looks when we think about teaching in the development of future populations.

Five Stages Framework.pdf