A suitable adelaide barista course should match the work you want to do after training, not simply carry an appealing title. Someone exploring hospitality may need a broad introduction to coffee preparation, cleaning and customer service.
A person already serving tables may need focused time behind a commercial machine.
Before enrolling, consider the drinks you expect to make, the equipment you have used and the hours you can attend consistently. A course that fits your starting point will give you more useful practice than one that moves too quickly or repeats skills you already have.