Sentences with phrase «changes in the demographic composition»

Or it may be that demographics matter because changes in the demographic composition of local school districts increase the desire among families to sort students into similar peer groups.

Not exact matches

Shifting demographics, changing meal composition, more fresh foods, and new attitudes on beverages all create challenges for growth,» says David Portalatin, NPD vice president, industry analyst and author of Eating Patterns in America.

In education, that phenomenon explains why some aggregate trend lines look flat or worse, even though every student subgroup is improving, because of the changing demographic composition of the total student population (e.g., lower - scoring Latino students are gradually replacing higher - scoring white students).

Even if NAEP relies on a representative sample of fourth - graders in a state in a given year, the demographic composition of the children in any state will change over time, so that features of the fourth - graders in Arkansas in 2013 will differ a bit from the students who were in fourth grade in 2011.

In this study, which examines the changing size, demographic composition and economic fortunes of the American middle class, «middle - income» Americans are defined as adults whose annual household income is two - thirds to double the national median, about $ 42,000 to $ 126,000 annually in 2014 dollars for a household of three.3 Under this definition, the middle class made up 50 % of the U.S. adult population in 2015, down from 61 % in 197In this study, which examines the changing size, demographic composition and economic fortunes of the American middle class, «middle - income» Americans are defined as adults whose annual household income is two - thirds to double the national median, about $ 42,000 to $ 126,000 annually in 2014 dollars for a household of three.3 Under this definition, the middle class made up 50 % of the U.S. adult population in 2015, down from 61 % in 197in 2014 dollars for a household of three.3 Under this definition, the middle class made up 50 % of the U.S. adult population in 2015, down from 61 % in 197in 2015, down from 61 % in 197in 1971.