This article is non-canon.

This article covers a subject that has been deemed non-canon by either the author or the Harry Potter licensees, and thus should not be taken as a part of the "real" Harry Potter universe.

"No student organisation, society, team, group or club may exist without The knowledge and approval of the High Inquisitor."
—The Decree[src]

The Educational Decree Number One-Hundred and Twenty-Eight was one of the Educational Decrees created by Dolores Umbridge, then-Hogwarts High Inquisitor.

Behind the scenes