For years, educators, counselors, and parents have debated whether underachievers can outgrow this behavior and perform up to their abilities as adults. What happens educationally, occupationally, and maritally to underachievers after they leave high school? In the largest sample of underachievers and the first long-term (13-year) study ever conducted, the authors explore whether underachievers "catch up" after high school to the level of their abilities,...