You might want to share this with your high school age kids. Even poor kids who aren't the brightest will earned more and have more prestigious jobs, if they maintain interest in high school and are responsible students.
“Our research found that specific behaviors in high school have long-lasting effects for one’s later life.”
Being a responsible student, maintaining an interest in school and having good reading and writing skills will not only help a teenager get good grades in high school but could also be predictors of educational and occupational success decades later, regardless of IQ, parental socioeconomic status or other personality factors,...
The follow-up surveys measured overall educational attainment, income and occupational prestige.
Being a responsible student, showing an interest in school and having fewer problems with reading and writing were all significantly associated with greater educational attainment and finding a more prestigious job both 11 years and 50 years after high school. These factors were also all associated with higher income at the 50-year mark. [emphasis mine]