Most people can remember a favorite teacher -– the one who got you love a certain book or made science class exciting. But you may also remember that bad teacher -– the one who made your life miserable. And according to the studies, those teachers may have had just as big an impact on your education. In the last of our series on what makes a good teacher, correspondent Jessica Robinson went to find out how "bad" teachers are identified and discovered that there's no easy answer. About 25 soon-to-be first graders are clinging to their parents. The kids are about to start class at Ramsey Elementary in Coeur d'Alene, Idaho. And the school just posted a list with something almost as exciting as entering the first grade: who their teacher is/Jessica Robinson, NW News Network. More here. (AP/Columbia Pictures photo, for illustrative purposes: Cameron Diaz is shown in a scene from "Bad Teacher.")

Question: Can you describe a "bad teacher" who had a negative impact on your life?