TY - BOOK TI - Turning points: preparing American youth for the 21st century SN - 0962315419 AV - LB1623 .C27 PY - 1989/// CY - New York PB - Carnegie Corporation KW - Junior high school students KW - United States KW - Middle schools KW - Youth KW - health and hygiene KW - social conditions N1 - Includes bibliographical references and index ER -