You may wish to group your students on the dashboard for a various reasons.... levels they work at, working groups, etc.
Here is how you can do this visually on the dashboard using the colour coding system.
You can use Smart Copy on the dashboard to share documents with your class.
The good thing about this method is that it is copied straight into the correct subject folder, so will appear on your dashboard straight away.
Here is a screen shot of what the sharing options are :-