The Greasers are not considered the “good” kids. Since the Greasers are protagonists according to the newspaper it is probable that they were outsiders to their own kind. The Greasers might be considered the outsiders because they are criminals. Perhaps Ms. Hinton meant that the Greasers were the social outsiders.
The Socs consider the Greasers outsiders because they are poor. The Greasers consider themselves Outsiders because they want to be able to buy the