"'I was shocked,' said Alexander 'I had never had a Black male teacher before, except for P.E.' Alexander's experience is remarkably common. Only 2 percent of the nation's 4.8 million teachers are Black men, according to the U.S. Bureau of Labor Statistics. The shortage of Black male teachers compounds the difficulties that many African-American boys face in school. About half of Black male students do not complete high school in four years, statistics show. Black males tend to score lower on standardized tests, take fewer Advanced Placement courses and are suspended and expelled at higher rates than other groups officials say."