This study develops and tests an analytical model of the educational process and the various influential factors that enter into it. These factors include the effects (a) of family life, as proxied by such socio-economic measures as family size and structure and father's occupation; (b) of peer group; (c) of the student's innate abilities;
and (d) of the school itself, This last factor, in its many manifestations, provides the focus of the study.