Fact is fact, you dont see ashkenazi Jews married to dark skin haredi Jews. They prefer to keep their new generations white. Big mistake, as blood ties in those circles are more and more related to each other, causing birth defects in their future generations. Mix in order to prevent such unfortunate events.
One student killed, three wounded at Arizona campus during fight (a)
from the article: Comptroller probing charges of discrimination in Haredi schools