What "clans" are represented in Merryweather High School?

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wildcattmg eNotes educator| Certified Educator

In the very beginning of the novel, where Melinda talks about her first day at Merriweather High she lists the clans as she sees them:

Jocks, country clubbers, idiot savants, cheerleaders, human waste, eurotrash, future fascists of America, big hair chix, the Marthas, suffering artists, thespians, goths, shredders. And then, of course there is Melinda herself- the outcast.

Melinda spends more time talking about the cheerleaders, the Marthas, and eurotrash because those groups directly involve her former and current friend(s).