Education research is replete with studies that show how implicit bias can influence the success of students Black and white, male and female. But too often, the evidence of that bias and its impact is muddied by other considerations, such as income, where students live and how their families value education. Sometimes, though, the bias...

Amid the fanfare over the public school that NBA star LeBron James opened last year in Akron, Ohio, came a poignant interview acknowledging a problem he faced as a student: chronic absenteeism. Moving from home to home with his mother, living across town from his school with no car or bus route to get him...