Edubuntu , previously known as Ubuntu Education Edition, is an official derivative of the Ubuntu operating system designed for use in classrooms inside schools, homes and communities.
Edubuntu has been developed in collaboration with teachers and technologists in several countries. Edubuntu is built on top of the Ubuntu base, incorporates the LTSP thin client architecture and several education-specific applications, and is aimed at users aged 6 to 18. It is designed for easy installation and ongoing system maintenance.

Features
Included with Edubuntu is the Linux Terminal Server Project and many applications relevant to education including GCompris, KDE Edutainment Suite, Sabayon Profile Manager, Pessulus Lockdown Editor, Edubuntu Menueditor, LibreOffice, Gnome Nanny and iTalc. Edubuntu CDs were previously available free of charge through their Shipit service; since version 8.10 (2008) it is only available as a download in a DVD format.
Edubuntu's default GUI is Unity while GNOME is still available.[1] Unity has been the default GUI since the release of 12.04. Since release 7.10, KDE is also available as Edubuntu KDE. In 2010 Edubuntu and the Qimo 4 Kids project were working on providing Qimo within Edubuntu, but this was not done as it would not have fitted on a CD.