From Longman Dictionary of Contemporary Englishthe in-crowdthe in-crowdGROUP OF PEOPLEa small group of people in an organization who are fashionable, popular, or powerful, but who do not let many other people join them I was never one of the in-crowd at school. → in-crowd
Examples from the Corpus
the in-crowd• We were never part of the in-crowd in high school. 