The sixth biannual JEDI Academy, held virtually in June 2021, will introduce new users to the design and structure of JEDI, a data assimilation system for earth system prediction. JEDI is designed to easily accommodate new atmospheric and oceanic models and observation systems. The Zoom workshop will feature lectures and interactive activities that will teach participants how to access, use, and contribute to JEDI software. Registration is limited to 50 applicants.