| [[Magic in Harry Potter#Divination|Divination]]
| The Divination teacher from 1980 (Harry's birth year) until ''Order of the Phoenix'', when she is fired by Umbridge. Trelawney returns to the work in ''Half-Blood Prince'' and ''Deathly Hallows'', sharing the position with Firenze.
| [[Dolores Umbridge]]
| [[Defence Against the Dark Arts]] / Headmistress
| The Defence Against the Dark Arts teacher in ''[[Harry Potter and the Order of the Phoenix]]'' (Harry's fifth year at Hogwarts). She was appointed by the Ministry of Magic to address the rumours concerning Voldemort's return that extended from there the previous summer. Umbridge extracted control, becoming Hogwarts' first and only High Inquisitor, and even appointing herself Headmistress, despite not being able to enter Dumbledore's office.
| Septima Vector
| [[Magic in Harry Potter#Arithmancy|Arithmancy]]
| The Arithmancy teacher during the entire series, known to give her students large amounts of homework.