If you like Dairy Queen by Catherine Gilbert Murdoch

First of all, you might want to read the sequel:
The Off Season by Catherine Gilbert Murdock.
High school junior D.J. staggers under the weight of caring for her
badly injured brother, her responsibilities on the dairy farm, a
changing relationship with her friend Brian, and her own athletic
aspirations.

Hope Was Here by Joan Bauer.
When sixteen-year-old Hope and the aunt who has raised her move from
Brooklyn to Mulhoney, Wisconsin, to work as waitress and cook in the
Welcome Stairways diner, they become involved with the diner owner's
political campaign to oust the town's corrupt mayor.

I Was a Non-Blonde Cheerleader by Kieran Scott.
As a brunette on the all-blonde cheerleading squad at her new Florida
high school, sophomore Annisa Gobrowski tries to fit in with her popular teammates without losing the friendship of Bethany, the only other non-blonde at the school.