Galaxy is a great solution to train the bioinformatics concepts: numerous bioinformatics tools are available (more than 7,000 in the ToolShed), it can be used by people without any computer science skills, it trains to use technology, outlining available resources and efforts that have made them accessible to researchers, it is scalable.
The Galaxy community via the Galaxy Training Network supports instructors and workshop organizers using with a series of recommandations and regular meetings.