There are socioeconomic factors — read: rich vs poor schools, which also apply to poor whites.
But people also assume certain things when they see a certain physical appearance or hear a certain accent. Don’t assume that people aren’t also judged on physical appearance and habitus.
I don’t assume that at all. But that can’t be legislated out of human beings any more than bullying can be legislated out of human existence.
Artificially trying to fix that problem with pulleys and levers causes more damage than the actual issue, which is the case with most liberal solutions, IMO.