In Voionmaa high school we use Dropbox in many ways. Teachers have their own account for sharing files, some teachers also share files with each other. Every teacher has also iPad and Dropbox is a useful tool for iPad users. That is why also many of our students have accounts to share all videos and images from iPad image file. Links for more:
20+ Tools To Supercharde You Dropbox
The ultimate Dropbox toolkit guide
Dropbox a multi tool for educators
62 things you can do with Dropbox
10 tools for getting most from Dropbox
10+ apps for Dropbox
Facebook groups adds Dropbox integration
The Complete Dropbox for Educators by Jeffrey Thomas
