My recent columns have focused on the extremely poor educational outcomes for black students. There's enough blame for all involved to have their fair share. That includes students who are hostile and alien to the educational process and have derelict, uninterested home environments. After all, if there is not someone in the home to ensure that a youngster does his homework, has wholesome meals, gets eight to 10 hours of sleep and behaves in school, educational dollars won't produce much. There's another educational issue that's neither flattering nor comfortable to confront. That's the low academic quality of so many teachers....