Amends GS 115C-47 to require local boards of education to ensure that the student population at each school to be economically diverse through ensuring that the percentage of students at a school who qualify to receive free or reduced price meals does not exceed by more than 15 percentage points the district-wide percentage of such students at the grade levels represented by the school. Makes the same requirements applicable to charter schools under GS 115C-218.45. Applies beginning with the 2015-16 school year.