You might know some of these things, but maybe there is also new stuff to be learned. This list includes both facts about Hermione from the books and the movie adaption of her.

- After the Second Wizarding War, Hermione returned to Hogwarts to attain her N.E.W.T.'s. She was the only one of the trio to do this.
- She is the Godmother of Harry and Ginny Potter's oldest child, James Potter.
- When she had gotten her N.E.W.T.'s, Hermione began work for the Ministry of Magic. She started in the Department for the Regulation and Control of Magical Creatures, where she continued her work with S.P.E.W. Later on she attains a high position in the Department of Magical Law Enforcement, eradicating the old laws biased in favor of pure-bloods.
- At some point Hermione was featured on a Chocolate Frog Card for her accomplishments.
- She translated Tales of Beedle the Bard from the original, which was written in runes. When her translation was published, the book included notes on every fairytale by Albus Dumbledor. These notes were lent to Hermione by her former teacher, Minerva McGonagall.
- Often Hermione has been called a very talented witch, and the fact that she has invented spells of her own, such as the Four Point Spell and the jinx she put on the DA parchment, proves this statement.
- Crookshanks, Hermione's cat, is part Kneazle.
- In the 7th book, Hermione got a different middle name, Jean. Before this her middle name was Jane, but J.K. Rowling changed this to avoid her sharing a middle name with Umbridge. Jean is the female variant of John and means "God is gracious".
- In the early drafts of Harry Potter Hermione was supposed to have a Muggle sister.
- The Screenwriter of Chamber of Secrets Steve Kloves said that Hermione was his favorite character.
- J.K. Rowling has said, that if Hermione looked in the Mirror of Erised in the summer of 1997, she would have seen herself, Harry and Ron living and unscathed and Voldemort dead. She might also see herself closely entwined with another person.
- Hermione’s wand of vine wood corresponds with her birthday in the Celtic calendar. The Celtic calendar the vine was a symbol of passionate emotions in both extremes – happiness and wrath – and was also connected to fulfilling goals and finding balance.
- The Boggart Hermione faced in her third year was Professor McGonagall, who told her that she had failed everything. This, J.K. Rowling says, shows that “underneath Hermione's swottiness there is a lot of insecurity and a great fear of failure”.
- In the movie adaption of Chamber of Secrets Hermione was aware of the term “Mudblood” even though she had to have it explained by Ron in the book.