N.C. Gen. Stat. § 115C-105.40

The State Board of Education shall develop a plan to create rigorous student academic performance standards for kindergarten through eighth grade and student academic performance standards for courses in grades 9-12. The performance standards shall align, whenever possible, with the student academic performance standards developed for the National Assessment of Educational Progress (NAEP). The plan also shall include clear and understandable methods of reporting individual student academic performance to parents.