Disparity between low-income and middle-class children creates negative consequences (Knudsen et al. 2006) including an achievement gap at school entry, reduced cognitive development, a lower achievement trajectory in later grades, and increased delinquency and crime in later years.
Chinese was taught too, but sometimes not until later grades.
These typically included a mix of standardized intelligence tests, interviews, observation and, for later grades, class work.
But then they leave — and flee to private or top-performing charter or selective schools for the later grades.
The gains last throughout a student's schooling, even if class sizes grow in later grades, the report found.
Students hardly follow Mill's curriculum — there is no Greek or Latin in kindergarten, or even in later grades.
Yet despite this intensive test preparation, reading scores have paradoxically stagnated or declined in the later grades.
Developing more advanced scientific and computational thinking in later grades depends on creating a strong foundation in elementary school.
Elementary students weaned on Little Professor calculators that can add, subtract, multiply and divide move on to graphing calculators in later grades.
The view has gained currency among education policy makers too; children who fall behind in school in early grades find later grades increasingly hard to handle.
Students who enter the district in later grades get less, based on a sliding scale; entering high-school freshmen, for example, get 65 percent of their tuition covered.
