"Though it’s only one piece of the business school admissions puzzle, the GMAT carries much importance for aspiring students.
While a GMAT score may not be the deciding factor for admission, students still want to show schools what they can do on the exam, which has four sections focused on analytical writing, integrated reasoning, quantitative reasoning and verbal reasoning.
The total score ranges from a low of 200 to a high of 800, with about two-thirds of test-takers earning between 400 and 600, according to the Graduate Management Admission Council, the nonprofit organization that owns and administers the GMAT.
The mean score for test-takers from 2015 to 2018 was 563, according to data available on the GMAT website. Though the average score varies by applicant pool, among the 128 ranked MBA programs that provided GMAT scores of their incoming full-time students in an annual U.S. News survey, the average for fall 2019 was 621." …
https://wtop.com/news/2020/07/11-mba-programs-with-the-highest-gmat-scores-2/