I wrote the following poem (well, doggerel) and read it to a middle school class at the end of my first year of teaching in the 1970s. “Who’d Be a Teacher?” To be a good teacher requires dedication, For teaching’s a tiring, demanding profession. Every day for nine months a teacher must face A large class of students from every race. Some fractious, some smart, but all of them keen To bring out in the teacher each instinct that’s…..