Read over them and see what areas you are doing well in, and what areas may need improvement. GPA. In 2010, the average GPA of students admitted to US medical schools was 3.67. The average science GPA (biology, chemistry, physics and math) was 3.61. While there are certainly students above and below these averages, this should provide you with a method to compare your current GPA to those that were successful in gaining admission to US medical schools.