Take a Bow, by Elizabeth Eulberg

Rotating narraration from a bunch of students at a prestigious performing arts high school, but while some of the voices were very distinct, the "main" character, Emme, was a bit of a cipher, and her best frienemy Sophie was also kind of blank.
Would be popular with theater kids.

Prom and Prejudice, by Elizabeth Eulberg

Pretty terrible YA take on Pride and Prejudice, set at a boarding school full of some of the least realistic teenagers I've ever read.

The Lonely Hearts Club, by Elizabeth Eulberg

Pretty charming YA book about Penny Lane, a girl with Beatles fan parents, who after dating some duds, decides to swear off dating for the rest of high school. Friends join Penny's Lonely Hearts Club, attend school dances with each other, have sleepovers etc, and soon not a guy in school can get a date. Administrators get involved, there's a little story arc about the right to form non-school sanctioned groups, but mostly it was a fluffy and sweet romantic comedy.