Under what conditions do employers have a legitimate interest in their employees’ off-the-job conduct?

TEACHING ELEMENTARY SCHOOL CHILDREN with intellectual disabilities requires skill, patience, and devotion, and those who undertake this task are among the unsung heroes of our society. Their difficult and challenging work rarely brings the prestige or financial rewards it deserves. Mrs. Pettit was one of those dedicated teachers.
Licensed to teach in California, she had been working with mentally challenged children for over thirteen years when her career came to an abrupt end. Throughout that career, her competence was never questioned, and the evaluations of her school principal were always positive.