TY - BOOK AU - Rutter,Michael TI - Fifteen thousand hours: secondary schools and their effects on children SN - 0674300254 AV - LA635 .F5 U1 - 373.421/2 PY - 1979/// CY - Cambridge, Mass. PB - Harvard University Press KW - High schools KW - England KW - London KW - Local KW - High school students KW - Attitudes N1 - Includes indexes; Bibliography: p. 267-273 ER -