In 2002, the Monroe County, Georgia, school system was, according to its then-superintendent Scott Cowart, "underperforming." Test scores were low, and several schools faced interventions under the new No Child Left Behind Act (NCLB). One decade later, the 4,000-student school district in central Georgia is one of the highest-performing…

There is growing consensus that the single most important factor in determining student performance is the quality of the teacher. Therefore, if the national goal of providing an equitable education to children across this nation is to be met, it is critical that efforts be concentrated on developing and retaining high-quality teachers in every…