Focuses on single-sex teaching in co-educational schools, using a case study of a school where single-sex teaching has been the norm. Analyzes student performance since General Certificate of Secondary Education began. Finds girls have consistently achieved better results than boys in most subjects, but both sexes showed relative improvement. (BT)

The gender agenda in many North American, Western European, and Australasian countries has undergone a "boy turn" in the past decade amid growing concerns about boys' apparent "underachievement" relative to girls. One aspect of this turn has been the resurrection of interest in single-sex classes in coeducational public state…