From the Microsoft Security Tips Blog:
The Kentucky Department of Education announced today that it is moving to live@edu, the cloud-based education system from Microsoft. This is Microsoft’s largest deployment to cloud services, involving over 700,000 students, faculty, and staff and saving Kentucky $6.3 million.
What is live@edu?
Live@edu offers educational institutions free hosted email, calendars, document sharing, instant messaging, video chat, and more. Students can familiarize themselves with Microsoft tools that that they are likely to use in the workplace. Institutions can be confident that live@edu will help keep the information it stores in the cloud safe and private.