Adult and Community Education
Workers' Educational Association of South Australia Inc. (WEA) offer courses on a variety of levels across a diverse range of subjects.
http://www.wea-sa.com.au

Other resources
NetWorks For You is a program to develop use of the Internet with a free introduction to using the World Wide Web for personal interest and community and business development in regional South Australia. A series of NetWorks Centres have been established which offer community access to the Internet, awareness programs and business development assistance. The following link provides a map of their locations.
http://www.iepo.sa.gov.au/networks/centres

If you can't find what you're looking for here, you might like to explore some of the Australia-wide training directories which may cover courses offered in your location.