ScienceDaily (Oct. 16, 2008) — Web Link
"Ten years after graduation, high-school students who had been rated as conscientious and cooperative by their teachers were earning more than classmates who had similar test scores but fewer social skills, said a new University of Illinois study.
Participation in sports and school organizations also had strong effects on a student's future educational and occupational success.
"For African American and Hispanic students only, participation in fine arts led to significantly better earnings compared to whites. This suggests that different activities teach kids different kinds of skills and learned behaviors," she said."