She doesn't like it.

She wants to be just like the other girls as long as she is in an American school." Ethelinda drew herself up with a stare, and asked in a patronizing tone that nettled Mary: "May I ask how _you_ happen to know so much about her ?" Equally lofty in her manner, and in a tone comically like Ethelinda's, Mary answered, "You may.

Miss Lewis gave me that bit of information, and for the rest I looked her up in Burke's Peerage.

She comes of a very illustrious and noble family, so of course she feels perfectly sure of her position, and doesn't have to draw the lines about herself to preserve her dignity as some people do.

Cornie Dean was telling me about a girl who was in the school last year who made such a fuss about her pedigree that she couldn't be friends with more than three of the girls.
The rest weren't high enough caste for her.