To say anything else would be a massive spoiler! Take the list and speculate as you will.
| Rule | Info | Reference |
| Educational Decree: 22 | To ensure that, in the event of the current headmaster being unable to provide a candidate for a teaching post, the Ministry should select an appropriate person. | Order of the Phoenix |
| Educational Decree: 23 | Creation of the Hogwarts High Inquisitor | Order of the Phoenix |
| Educational Decree: 24 | All Student Organizations, Societies, Teams, Groups, and Clubs are henceforth disbanded. An Organization, Society, Team, Group, or Club is hereby defined as a regular meeting of three or more students. Permission to re-form may be sought from the High Inq | Order of the Phoenix |
| Educational Decree: 25 | The High Inquisitor will henceforth have supreme authority over all punishments, sanctions, and removal of privleges pertaining to the students of Hogwarts, and the power to alter such punishments, sanctions, and removals of privileges as may have been or | Order of the Phoenix |
| Educational Decree: 26 | Teachers are hereby banned from giving students any information that is not strictly related to subjects they are paid to teach. | Order of the Phoenix |
| Educational Decree: 27 | Any student found in possession of the magazine The Quibbler will be expelled. | Order of the Phoenix |
| Educational Decree: 28 | Dolores Jane Umbridge (High Inquisitor) has replaced Albus Dumbledore as Head of Hogwarts School of Witchcraft and Wizardry. | Order of the Phoenix |
| Educational Decree: 29 | "… Nobody would have thought of throwing Fanged Frisbees down the corridors if I could have strung you up by the ankles in my office, would they? But when Educational Decree Twenty-nine comes in, Potter, I'll be allowed to do them things…." (Filch) | Order of the Phoenix |
