Ok, this is crazy. I was exploring the NAEP Data Explorer today and ran across a really unexpected statistic.
I know its hard to read, but the average scale score for blacks whose parents completed college is 246, compared to 251 for blacks whose parents have "some education after High School".
Yes I did check, and the difference is significant (at least according to the NAEP website).
I am at a total loss to even attempt to explain these results. Anyone have any guesses?
Update: I realized I didn't describe the results. Well this artifact shows up in 8th grade reading and math and holds true for Blacks, Hispanics, and American Indians.