This is an excellent article on the benefits of the Nexus 7 for education. It's interesting to note that the piece highlights the huge amount of apps that are available for the device. Are these apps designed for tablets, or are a vast majority intended for phones?
The camera on the back would be a big improvement as far as content creation is concerned through video making and editing. However, there certainly seem to be many benefits for including the Nexus 7 in any school teaching and learning programme.