Last - and only - time I visited NYC was 1972. We visited a teacher in his classroom in the Bronx. The school - PS-something or other - was rundown, in need of paint, and appeared abandoned. Jaime, the teacher, was a friend of the guy, Bob, who took us on the trip. He reflected on how much he loved teaching but how difficult it was to focus and ultimately "teach" the kids within the environment.
I'm not naive enough to think this video is representative of every HS in NYC. Or in the US. These are obviously gifted children. The classroom size alone reflects a special group. Racism is not simply solved.
It is solved through one speech, one election, one YouTube video, one group of people, one conversation.
One at a time. One little instance at a time.