The undated photo shows high school students working hard with stacks of books in Wuhan. [Photo: cnhubei.com]
When you were in high school, didn"t your parents always tell you: study hard now, and you"ll earn big money when you grow up? Well, they may be just right. US researchers find that high school grade point average, or GPA, is tied to earnings in adulthood. What does the research say? |