So what do you think made the girl unpopular among kids at her school? She was friendly and smart. Was it only her physical appearance and the way she dressed?

Assuming you're referring to Margaret Farquhar, probably because of her strange hobbies of having bats for pets, etc.

All girls are awkward and strange at 13 I think it was because of her physical appearance the way she dressed and hair kevin did like her they had more connection then