Which of the following idiom given in the alternatives has the meaning?
To reveal private, sensitive, or confidential information that should have been kept within a specific group, context, or place.
Show answer & explanation
Correct answer: D
Explanation
The idiom "to tell tales out of school" specifically means to reveal confidential information, gossip, or secrets that belong to a particular group or organization to people outside of that group.
Work one's way through school: To have a job to pay for one's education.
Wag school: An informal (mostly British) term meaning to skip school or play truant.
School one in something: To train, discipline, or coach someone in a specific skill or subject.