ESRI will provide FREE access to ArcGIS Online software to every K-12 school in the US. Press the start button at the bottom of this page to sign up. http://connected.esri.com/
ArcGIS is a platform for designing and managing solutions through the application of geographic knowledge.
Investigate the world with content provided by professionals from many disciplines. Build, save, and share maps and apps about topics of interest to you, available for use on both desktop and mobile devices.