Last week, Education First released its English Proficiency Index for the year of 2015. This index was launched in 2011 and since then, EF has released reports about the English proficiency of different countries around the world.  The 2015 report is based on tests taken by around 910 thousand adults from 70 countries in 2014 (Education First, 2015). Besides ranking the countries around the world, the report also ranks the different states in Brazil. EF’s index was widely publicized in the news, since it showed that Brazil ranks 41st...