Get the Teacher! (Sweet Valley Kids)

Is Mrs. Otis leaving the second grade--and being replaced by a student teacher? Not if Jessica and Elizabeth Wakefield have their way. They plan to have everyone in class make life miserable for Ms. Kovac so she won't want the job. And the plan works! Then Jessica finds out that Ms. Kovac won't be teaching ever again because she can't seem to handle kids. Now Jessica feels terrible. But can the class help Ms. Kovac--without losing Mrs.Otis?