Carola Storms the Chalet School by Elinor M. Brent-Dyer

Fourteen-year-old Carola Johnstone is desperate to escape her globe-trotting life with her cousin and attend a real school. In a daring move, she runs away to the prestigious Chalet School, determined to fit in despite her irregular arrival. As Carola adjusts to life as a student, she makes new friends, faces academic challenges, and even becomes a hero when she saves a classmate from a fire. But will her reckless actions catch up with her when her parents find out? Full of friendship, adventure, and boarding school hijinks, this charming tale follows Carola as she finds her place at the Chalet School and discovers the true meaning of belonging.