"Achievement distribution" refers to how accomplishments or goals are shared or spread out among a group of people. It shows the range or pattern of achievements among individuals. Full definition
The particular pattern of effects varies by the manner in which the school context was controlled, by poverty status, move status, and location in the conditional achievement distribution. (caldercenter.org)
We find negative effects among students in the bottom 60 % of the prior achievement distribution. (caldercenter.org)
In summary, although teachers in the U.S. are more likely to be drawn from the lower end of the academic achievement distribution than are teachers in selected high - performing countries, the picture is a bit more nuanced than the rhetoric suggests, and as we illustrate, it has in fact changed over time in an encouraging direction. (educationnext.org)