That law left it to the state board of education to designate how much those evaluations must be based on growth in student achievement, and the board agreed to make it 50 percent. (wacharterschools.org)
A better, if still an imperfect, measure of school quality is the amount of growth in student achievement from one year to the next. (educationnext.org)
Those newly designed evaluations must factor in growth in student achievement as at least 30 percent of a teacher's or principal's annual job - performance rating. (wacharterschools.org)