The current version is Skolelinux 6.0.4 Edition.

See the most recent release notes, dated March 11th, 2012:

http://lists.debian.org/debian-edu-announce/2012/03/msg00001.html

The download and install instructions are comprehensive. http://www.slx.no/en/downloads


Testing

The author has not tested the current version.

Versions of Sugar offered

There is no sugar installed by default. Sugar versions 0.84, 0.86, and 0.88 are available through Synaptic Package Manager. A brief test (3 July 2012) produced Sugar 0.88.1 working fine in an emulator.