“…Indeed, as Lee and Bryk (1986) and others (Riordan, 1985(Riordan, , 1990 have concluded, students in single-sex secondary Catholic schools take more academically oriented courses, score higher on standardized achievement tests, and have higher educational aspirations. On the other hand, advocates of coeducational schooling have cast doubt on the differential effectiveness of single-sex and coeducational schooling, arguing that single-sex schools are no more advantageous, either academically or socially, than coeducational schools (Dale, 1974;Dale & Miller, 1972;Marsh, 1989aMarsh, , 1989bMarsh, , 1991Marsh, Owens, Myers, & Smith, 1989).…”