District graduation rates for the class of 2013 vary greatly across the country and, often, within states.
Read MoreEach dot depicts the location where a U.S. survey respondent situated Ukraine; the dots are colored based on how far
Read MoreIn Europe, the school year usually ends at the end of May and the 2nd half of July. Mid-June is
Read MoreMensa is the biggest and oldest high IQ society in the world. It is a non-profit organization accessible to people who
Read MoreGhana has the lowest enrolment rate in secondary school (46 percent) and also the lowest eachievement levels for those 15-year-olds
Read MoreMali, Guinea and Benin have the lowest literacy rates among all countries in Africa.
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