02/03/2013 12:14 pm ET Updated Apr 05, 2013

The Boys At The Back

Boys score as well as or better than girls on most standardized tests, yet they are far less likely to get good grades, take advanced classes or attend college. Why? A study coming out this week in The Journal of Human Resources gives an important answer. Teachers of classes as early as kindergarten factor good behavior into grades -- and girls, as a rule, comport themselves far better than boys.