Complex sentence: Ku-ring-gai Creative Arts High School has computer system which utilises a Windows'domain' system, this allows for a user to log in and access their own files on any of the school computers.
Split into simpler sentences: Ku-ring-gai Creative Arts High School has a computer system which utilises a Windows'domain' system. This allows for a user to log in and access their own files on any of the school computers.