That school provided «after school» academic instruction to kindergarten through twelfth grade students. (en.wikipedia.org)
The exit slip finalizes the lesson with a «short and sweet» ending that allows the ninth through twelfth grade students he teaches to draw a conclusion to daily activities. (educationworld.com)
That may help to explain at least some of the increase in America's graduation rate, though it hasn't yet translated into much progress in twelfth grade math achievement. (educationnext.org)