Plot: Teachers Only is an NBC television sitcom centered around the faculty of a high school; in the first season the school was Millard Fillmore High in Los Angeles, but in the second it is Woodrow Wilson High in New York with a changed cast. In both seasons Norman Fell played Principal Ben Cooper, but Lynn Redgrave's character, Diana Swanson, who had been an English teacher in the first season, became a guidance counselor in the second season