Cloud Computing explained:
http://blog.isc.co.uk/2010/03/08/ict-advice-cloud-computing-explained/
Here is a useful starter discussion/blog
http://www.cloudave.com/1790/how-cloud-computing-can-help-school-education/
Article: UK schools should switch to cloud computing
http://www.itproportal.com/2011/02/18/f9669be0-3b56-11e0-9977-fefd6d4ac8f6/