Which best describes the irony in "Charles"?

Laurie's mother, who considers herself an excellent parent, has raised a troublemaking child.

Laurie, who is older than all the other children in his class, is the most immature.

Laurie's teacher, who prides herself on being calm, loses her temper.

Laurie, who never wanted to go to school in the first place, ends up wanting to spend all his time there.