System City Duel Academy is on a small island connected to System City by a large bidge. Unlike the GX academy and the New Domino academies, the System City one treats all dorms equally and have multiple duel arenas.
- Stardust white- the best students
- Archfiend red- the next best dorm
- Black-Wing black- the worst students
Main article: SCDA staff
Main Article: System City Duel Academy Duelling Facilities
The System City Duel Academy has multiple arenas for duelling across the island for students in their spare time, class time (Class Requirement) or even for students during the holidays.