This document contains statistics from 2006 to 2013 on the results of standardized tests taken by Mexican primary and secondary school students and teachers. It shows the percentage of students scoring at insufficient, elemental, good or excellent levels in each year, along with differences from 2012 to 2013 and historical differences from 2006 to 2013. Certain states had results above or below the national percentages in 2013. The overall percentage of students with good or excellent scores increased from 17.8% in 2006 to 48.1% in 2013, a gain of 30.3 percentage points nationally.