SCA Coffee Skills Program Barista Skills ModuleĀ A perfect class for working Baristas, entrepreneurs, or home enthusiasts. The SCA Barista Skills Module provides world-recognized instruction in espresso and milk preparation techniques and latte art. Learn the practical skills you need behind the espresso bar: how to set your grinder, milk techniques, health and safety, customer service, basic business practices, and more ā earning you credits towards your SCA Coffee Skills Diploma.