Results released in October 2016 showed Tennessee ’ s widespread growth on the NAEP science assessment , doubling the average national growth in both fourth and eighth grades . This growth propelled Tennessee into the top half of all states . Regionally , the growth of all students put
Tennessee ahead of many neighboring states . This rise can be attributed , in large part , to impressive gains posted by historically underserved student groups . The eighth-grade NAEP science results provide an example of this growth .