Carnegie Council on Adolescent Development. (1989). Turning points; Preparing American youth for the 21st century. The Report of the Task Force on Education of Young Adolescents. New York: Carnegie Corporation of New York.
2.
Helms,A. D. (2004, August5). 2 kinds of school ratings due today. The Charlotte Observer, pp. B1, B3.
3.
Jackson,A. W., & Andrews,G. R (2000). Turning points 2000. New York: Teachers College Press.