It's time for Jack Frost to learn his lesson! Best friends Kirsty Tate and Rachel Walker usually only get to spend vacations and holidays with each other. But for a special week, they'll both be going to the same school! It's a good thing the two friends are together. Jack Frost is causing trouble at the Fairyland School—and the School Day Fairies need help! Rachel and Kirsty can read Jack Frost like a book. They know he has Lydia's reading badge, and they want him to give it back!