Is Hermione a Squib?

Hermione is a witch born to muggle parents but has magic in her blood. The term that describes this occurrence is called a squib. A family can pass down magic genes that await for the right combination of genes in parents to create a child that is a witch or a wizard even if they are muggles themselves.

Can muggles teach Muggle Studies?

Yes, they are, because in PoA, Hermione was signed up to take Muggle Studies. Ron pointed out that it was silly because she was Muggle-born, but Hermione said it would be fascinating to study Muggles from the wizard point of view.

Why do Muggle Wizards hide from their families?

This is for practical reason (easier when they know); as well as ethical (the wizards with muggle families probably don’t WANT to hide from the family, and would likely object to magical means of screwing with families’ heads). to assist wizarding world when needed (e.g. search for Sirius Black).

Why do Muggles have to be honest about their past?

It’s also possible it’s part of the agreement made by muggles and the magic world that involved the witches and wizards withdrawing and remaining hidden. If part of that is a magic agreement to not deceive families of witches and wizards, then there is no choice but to be honest.

Why would magic be useful to Muggles?

In Potterverse, magic was a real thing with thousands of years of proven history. So, it could provide a wealth of knowledge for Muggles. One answer could be that magic might scare Muggles. But, I don’t think it would after thousands of years.

How did the Weasleys get along with the other Muggles?

In Harry Potter and the Chamber of Secrets, the pair were said to be nervous about being in Diagon Alley, but soon struck up a lasting friendship with the Weasley family. Especially Arthur Weasley, who was fascinated by their Muggle ways. Exposing Muggles to the wizarding world is not without its dangers, however.