In the coming months, Douglas County schools will make their debut in a new statewide grading system that values student growth more than cut-score proficiency."Growth and proficiency are not the same," said Brian Frazier, district director of assessments and grants. "AYP (Adequate Yearly Progress) said, 'Here's the proficiency rate,' and asked you to hit that bar. This model includes proficiency and asks how much the students have grown compared to other students with similar test histories, and how many have shown adequate growth." The Nevada School Performance Framework is replacing No Child Left Behind as the state's school evaluation system. …