A Post article reports on high school graduation rates. Almost 20 percent of Fairfax county teenagers do not graduate from high school. Actually, that statement is wrong, if I read correctly. 20 percent of Fairfax county freshmen do not graduate from high school, so those youngsters who were outside of the system entirely do not count. (And I mean that in about three different ways: not considered in the calculate, may be mathematically illiterate, and are excluded from our concern as a society.)
According to published data, 91 percent of Fairfax residents over 25 have high school degrees (or GED's). So Fairfax is importing more educated people and exporting less educated people. Whether this is a reflection of the statistical principle of "regression to the mean" or of class differences, I don't like it.