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[Susan notes: Certainly, this letter won't change the opinion of Mr. Lipshutz, author of the article and one of the principal trial attorneys representing the nine student plaintiffs challenging California education laws dealing with tenure, dismissal and seniority in Vergara v. California. But one can hope after receiving many letters making this critical point about poverty, the newspaper staff might be aware that the public is catching on.]

Submitted to Wall Street Journal but not published

To the editor

Joshua Lipshutz ( The legal road map to better schools, July 8) points out that "...the easiest inputs to measure are not necessarily those that matter most to student learning." Vergara judge used one that doesn't matter: Teacher quality as measured by gains on standardized tests. A number of studies have shown that rating teachers using test score gains does not give consistent results. Different tests produce different ratings, and the same teacher’s ratings can vary from year to year, sometimes quite a bit.â€Â¨ Also, using test score gains for evaluation encourages gaming the system, trying to produce increases in scores by teaching test-taking strategies, not by encouraging real learning.

An input that matters a lot is poverty, which has a huge impact on educational success. Twenty-three percent of American children live in poverty, the second highest among all economically advanced countries. When researchers control for the effects of poverty, American test scores are at the top of the world. This means that poverty is the problem, not teacher quality.

Instead of denying teachers due process based on bogus measures of quality, let's protect children from the impact of poverty. Poverty means food deprivation, lack of health care, and little access to books. The best teaching in the world will have little effect when children are hungry, undernourished and ill. When children have no chance to read on their own, the literacy development will be very limited. Our focus should be improved food programs, health care and libraries.


Different tests produce different ratings: Papay, J. 2010. Different tests, different answers: The stability of teacher value-added estimates across outcome measures. American Educational Research Journal 47,2.â€Â¨Vary from year to year: Sass, T. 2008. The stability of value-added measures of teacher quality and implications for teacher compensation policy. Washington DC: CALDER. (National Center for Analysis of Longitudinal Data in Educational Research.) Kane, T. and Staiger, D. 2009. Estimating Teacher Impacts on Student Achievement: An Experimental Evaluation. NBER Working Paper No. 14607 http://www.nber.org/papers/w14607;

23% levels of poverty: UNICEF Innocenti Research Centre 2012, ‘Measuring Child Poverty: New league tables of child poverty in the world’s rich countries’, Innocenti Report Card 10, UNICEF Innocenti Research Centre, Florence.

Controf for effect of poverty: Payne, K. and Biddle, B. 1999. Poor school funding, child poverty, and mathematics achievement. Educational Researcher 28 (6): 4-13; Bracey, G. 2009. The Bracey Report on the Condition of Public Education. Boulder and Tempe: Education and the Public Interest Center & Education Policy Research Unit. http://epicpolicy.org/publication/Bracey-Report. Berliner, D. 2011. The Context for Interpreting PISA Results in the USA: Negativism, Chauvinism, Misunderstanding, and the Potential to Distort the Educational Systems of Nations. In Pereyra, M., Kottoff, H-G., & Cowan, R. (Eds.). PISA under examination: Changing knowledge, changing tests, and changing schools. Amsterdam: Sense Publishers. Tienken, C. 2010. Common core state standards: I wonder? Kappa Delta Phi Record 47 (1): 14-17. Carnoy, M and Rothstein, R. 2013, What Do International Tests Really Show Us about U.S. Student Performance. Washington DC: Economic Policy Institute. 2012. http://www.epi.org/).

Stephen Krashen

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