Story here. Excerpt:
'Separating boys and girls is an educational trend that has gained momentum from research showing profound physiological differences between the sexes at young ages.
Chris Raeker, principal at Carman Trails, began looking into single-sex education as boys' discipline problems rose and test scores dropped.
...
But critics, such as Kim Gandy, president of the National Organization for Women, argue that single-sex schools promote sexual stereotypes and lead to inequalities.
"Even when such classes start out on equal footing, when schools in America get split into genders, the girls always end up getting the short end of the stick," Gandy said. "There is still sexism in this society. There are still people who want to return to what they see as the proper role of the sexes."'