Posted by Microbit has unveiled an updated website and released a new teaching resource/tool to create and manage lessons for your classes.
Adafruit has made a nice tutorial on creating a Microbit Classroom lessons.
https://learn.adafruit.com/how-to-use-micro-bit-classroom-to-manage-programming-lessons/overview
While just in beta release, it looks like a good tool for teachers.
More to come ……
Making With Held 