Some aspects of school/district curriculums that shouldn't/can't be tailored to individual ability should still be tailored to the general ability of the studen

Some aspects of school/district curriculums that shouldn't/can't be tailored to individual ability should still be tailored to the general ability of the student body. In areas with rapidly shifting demographics, this data might help inform decision making. Obviously, in almost any conceivable case, there is plenty of other, sharper data that renders the race data unnecessary; but when the almost entirely Ashkenazi school becomes 75% African refugees and chooses to put on a less lexically complex play, this research will have constructively informed policy.