It's Your Move, Lori!
Peart, Jane
After her father lost his job, Lori Bennett's life changed drastically. No more spending sprees and attending Hillcrest Academy, an exclusive school, was impossible.  --  Thrust into the world of public school at Murray High, Lori was bitter and determined not to make any new friends. But Trevor Hampton seemed genuinely interested in her and Lori couldn't resist his overtures.

As their friendship grew, Lori discovered that it's not where you are but who you are with that really matters. By the end of the term, she was glad to be at Murray High.