Teacher and principal evaluation systems now emerging in response to federal, state, and/or local policy initiatives typically require that a component of teacher evaluation be based on multiple performance metrics, which must be combined to produce summative ratings of teacher effectiveness. This paper investigates whether the bias and error introduced by these approaches erodes the ability of evaluation systems to reliably identify high- and low-performing teachers.
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10 Nov 2014
Algebra I is a critical gateway course for high school graduation and enrollment in college. These briefs summarize research on five strategies being implemented by U.S. Department of Education’s High School Graduation Initiative grantees to help struggling students succeed in Algebra I.