Here are some book titles that I hope you will enjoy:
The Year of Secret Assignments by Jaclyn Moriarty.
Three female students from Ashbury High write to three male students
from rival Brookfield High as part of a pen pal program, leading to
romance, humiliation, revenge plots, and war between the schools.
The Unlikely Romance of Kate Bjorkman by Louise Plummer.
Seventeen-year-old Kate hopes for romance when her older brother's
friend Richard comes to stay at their house during Christmas vacation.