“Last but not least, boys suffer more from family instability, especially from the exit of biological fathers.65 Boys raised by single parents, especially single mothers, have worse outcomes than girls (including their own sisters) at school and lower rates of college enrollment, in part because of bigger differences in behavioral problems in the classroom.66 “Boys do especially poorly in broken families,” write Marianne Bertrand and Jessica Pan.67 Boys also benefit much more than girls from successful placement into a foster family, rather than remaining in a group home, according to an analysis by Stanford’s Cameron Taylor.68”