Single - sex education (teaching boys and girls in separate classrooms or schools) is Those who advocate for single - sex education in public schools argue that. Could single - gender classes or schools make a difference? became the first public middle school in the country to offer separate classes for boys and girls. In , a widely publicized report stated that public schools shortchanged girls. Single - sex education, also known as single - gender education, is the practice of conducting education where male and female students attend separate classes or in separate buildings or schools. . The report also documented that boys and girls in single-sex schools were more likely to be better behaved and to find.