H. Naci Mocan is a Turkish-American economist and scholar. He currently is the Ourso Distinguished Chair of Economics at Louisiana State University. He is an expert on labor economics, health economics, and the economics of crime... (wikipedia)
Singling students out for their looks or other characteristics is damaging. I think it reduces their chance at a successful adult life. I think they are probably more likely to commit crimes as adults.
Another piece of research shows that teacher's expectations depend a lot on how students are treated or motivated. It affects the entire quality of learning for those individuals, and this creates handicaps.
The study shows that the quality of schooling that these individuals are receiving according to beauty is influencing the extent of their human capital when they enter the labor market after school.
The impact of beauty in high school on future criminal activity suggests that girls in high school are more influenced by this phenomenon.