Graph of GPA Increase to Furture Earnings (image) University of Miami Caption The data indicate that overall high school GPA is significantly higher among women, but men have significantly higher annual earnings. For this reason, the researchers analyzed men and women separately. Credit University of Miami Usage Restrictions Use with credit. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.