Tech&Learning, a great, free, resource for educators, hosts HP's Cloud Computing Digital Hub. This site has free resources, eBooks, and other information about cloud-based infrastructures in K-12 Education.
The resources include planning guides, how-to's and tips, what the cloud is and how it can benefit education, case studies and how cloud computing can transform education and save money at the same time. There is even a way to experience the cloud through an interactive demo.
It is well worth the read.