Anyone who knows anything about teaching knows that virtually all teachers work very, very hard. By the end of the day, they’re tired, though they still may have a night of paper grading and lesson planning ahead of them. At Hayward’s Eldridge Elementary School, however, one teacher for sure ends her school day rarin’ to go. Martie Canterberry teaches fifth grade during the school day. After school though, she volunteers as the heart and soul of the Eldridge Drama Club-