Are these results broken down by race? If not, we could be seeing static or even improving results, hidden by the shifting demographics of the USA.
When you examine Goodschools data for a given area, there is a very high correlation between the White/Asian student population and the overall performance of the school, including for Black/Hispanic children.
Additionally, how much have politics impacted results for the worst performing students? Anecdotally, its a lot harder to expel or discipline certain consistently disruptive students now.
More ominous were the results for 13-year-olds, who experienced statistically significant drops of three and five points in reading and math, respectively. Compared with math performance in 2012, boys overall lost five points, and girls overall lost six points. Black students dropped eight points and Hispanic students four points; both decreases widened their score gap with white students, whose scores were statistically unchanged from 2012.
When you examine Goodschools data for a given area, there is a very high correlation between the White/Asian student population and the overall performance of the school, including for Black/Hispanic children.
Additionally, how much have politics impacted results for the worst performing students? Anecdotally, its a lot harder to expel or discipline certain consistently disruptive students now.