Virtually every scholar of teaching and schooling knows that when the variance in student scores on achievement tests is examined along with the many potential factors that may have contributed to those test scores, school effects account for about 20% of the variation in achievement test scores, and teachers are only a part of that constellation of variables associated with “school.” Other school variables such as peer group effects, quality of principal leadership, school finance, availability of counseling and special education services, number and variety of AP courses, turnover rates of teachers, and so forth, also play an important role in student achievement. Teachers only account for a portion of the “school” effect, and the school effect itself is only modest in its impact on achievement. On the other hand, out-of-school variables account for about 60% of the variance that can be accounted for in student achievement. In aggregate, such factors as family income; the neighborhood’s sense of collective efficacy, violence rate, and average income; medical and dental care available and used; level of food insecurity; number of moves a family makes over the course of a child’s school years; whether one parent or two parents are raising the child; provision of high-quality early education in the neighborhood; language spoken at home; and so forth, all substantially affect school achievement. schoolsmatter.info/2012/10/david-berliner-on-inequality-poverty.html
Posted on: Sat, 08 Mar 2014 05:33:55 +0000
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