Nobody goes into teaching to get rich, but that's no excuse not to pay teachers as professionals. Compensation is one of the most important factors in determining who enters the teaching profession and how long they stay--yet 90 percent of all U.S. school districts pay teachers without any regard for their actual performance with students,…

Successful teachers make successful schools. Yet some schools are better than others at accelerating student learning by developing and keeping great teachers, even compared to schools that serve the same population of students and have access to the same resources. These schools are called "greenhouse schools"--schools with carefully…