Although single-sex education was once the norm in the U.S., the practice has largely been confined to private schools for more than a century. However, with the introduction of the final version of the U.S. Department of Education's so-called single-sex regulations in 2006, public schools were allowed greater flexibility to offer single-sex…

A single-sex group learning project involving 100 seventh graders yielded positive results. Behavior improved without teacher intervention, particularly among the boys. Also, students' attitudes and motivation improved immensely, along with work habits and academic performance. Students reported that they enjoyed working and competing in teams.…

Since public schools have been largely unable to address gender-based academic achievement inequalities and often ignore sexual-harassment incidents, there has been increasing discussion and study of all-girl classes and schools. Several studies have shown promising results--especially for science classes. Programs in Maine, Virginia, San…