The National Assessment of Educational Progess (NAEP) test scores in the U.S. for K-12 show a lack of progress since 2013. Scores for math and reading dropped for 8th grade students, and scores for reading were stagnant while dropping in math for 4th grade students. The test scores reflect progress in rural, suburban, urban environments, for communities that are affluent, less affluent and poor, different ethnic backgrounds. The test started in 1990 is the only one measuring national progress. The new results of NAEP are on a scale of 0 to 500, and show that in 2015 64 percent of 4th graders and 66 percent of eighth graders were not reading proficient, 60 percent of 4th graders and 67 percent of 8th graders were not math proficient. Massachusetts, Vermont, New Hampshire, do much better in the tests than Mississippi and New Mexico. Experts say a state to state comparison should separate the non native English speaking students from native English speaking, especially in states like Texas. With about two thirds of students failing the math and reading proficiency levels, growing proportions of minority Hispanic students in many states, larger proportion of less affluent students, the tests show the challenges facing America's K-12 education even after the changes introduced by Education Secretary Duncan since 2008....