edubuntu 12.04 LTS
"After six months of preparation, it's with great pride that the Edubuntu development team announces today the release of Edubuntu 12.04 LTS. As the first Long-Term Support release of the Edubuntu project, this version will be supported for 5 years (April 2017). The Edubuntu development team will also provide 'point releases' in sync with Ubuntu's to offer new installation media containing all the latest bug fixes. What's new? iTalc was replaced by Epoptes, a new classroom management software; new major version of LTSP (5.3.x) including numerous bug fixes and speed improvement; fully translatable installation and post-installation environment...."