This is the 10.04 release of Edubuntu in DVD ISO form. i386 for 32 bit PC systems.

Edubuntu is an educational operating system that is a part of the Ubuntu family. It aims to make Ubuntu, the popular Linux-based operating system, a great choice for the computing needs of children, students, parents, teachers, and schools.

"Ubuntu" is an ancient African word, meaning "humanity to others". Edubuntu seeks to bring the freedoms and spirit of Ubuntu to children, parents, students, teachers, and schools.
 
http://edubuntu.org/