When her teacher suffers health problems because of her weight, Nikki, who is always getting teased about her size, decides she wants to live a healthier lifestyle.
In 1925, fourteen-year-old Ida Bidson secretly takes over as the teacher when the one-room schoolhouse in her remote Colorado area closes unexpectedly.
Katie's teacher, Mrs. Derkman, hopes to win the Teacher of the Year contest, but her chances do not look good when Katie turns into her teacher and cannot keep a class full of out-of-control third- graders in line.
When Ella Mentry School is threatened with closure due to budget cuts, A.J.'s new speech teacher, Miss Laney, comes up with a brilliant, if weird, plan to save the day.