Tyrone comes home from school and asks his mom "Momma momma, I have the biggest dick in the 4th grade. Is that because I'm black?". His mom sighs. "No Tyrone, it's because you're 19 years old!"
I find it really disturbing to hear something like this. You really view black people like this?
That's just life, I don't know how to explain it to you. If a black guy has a big dick, it makes him cool.
The comment you're making about black people being held back in school is offensive towards them. I'd recommend not viewing them as unintelligent and not able to succeed in school. It would also be good to educate yourself on the great things the black community has done for us in society.