This essay draws out the useful parallels between the best kind of teacher and the Good Witch of the North, Glinda, from "The Wizard of Oz." Unappealing to many viewers or readers of the classic children's story, Glinda offers an inspiring reminder of four important pedagogical points: (1) the master teacher always treats her student as a peer; (2) the master teacher acknowledges and encourages her student's abilities but lets her learn how to exercise them on her own; (3) the master teacher is often not equivalent or even similar to anyone the student has encountered before; and (4) the master teacher is not a surrogate parent but a more distant figure.