Students of color in low-income schools are 3 to 10 times more likely to have unqualified teachers than students in predominantly White schools. These disparities in teacher distribution matter greatly: Research consistently shows that teacher quality is one of the most important variables for student success and that teachers with stronger…

The fact that well-qualified teachers are inequitably distributed to students in the United States has received growing public attention. By every measure of qualifications--certification, subject matter background, pedagogical training, selectivity of college attended, test scores, or experience--less-qualified teachers tend to be found in…