Everything But the Truth (1956)

Willie Taylor, small-town 4th-grade schoolboy, takes to heart his admired teacher's words about truthfulness, and repeats in public his uncle's remark about paying a kickback to the mayor. Result: principal Miss Dabney (a political appointee) suspends Willie from school, and teacher Joan Madison, up against a political machine, enlists amorous columnist Ernie Miller to turn Willie's case into a cause celebre...