Evaluating teachers--whether casually or more rigorously, annually or less frequently--has long been part of the job description of many a principal and assistant principal, who often have relied on occasional observations to make their judgments. What has usually resulted are an overwhelming number of "satisfactory" ratings and the…

STEM--shorthand for "science, technology, engineering, and mathematics"--has been part of the school improvement discussion for more than a decade, as educational leaders and policy makers have underscored the importance of these areas in an internationally competitive, 21st-century economy. But building and implementing programs that…

STEM--the catchy shorthand for "science, technology, engineering and mathematics"--has been part of the school improvement discussion for more than a decade, as educational leaders and policy makers have underscored the importance of these areas in preparing students for an internationally competitive, 21st-century economy. But while the…