Graduation

Since 2009, the national high school graduation rate has climbed from 75 percent to a record high of 83.2 percent in the 2014-15 school year.

Despite these gains, the government has acknowledged there are still gaps to fill. In his remarks addressing the record-high graduation rate, former President Obama noted that "in too many school districts, we still have schools that despite the heroic efforts of a lot of great teachers are not fully preparing their kids for success because they don't have the resources to do it, or the structure to do it."

Significant disparities in high school graduation rates exist across different ethnicities and geographic regions in the U.S. The cities with the highest graduation rates, for instance, consistently graduate close to 100 percent of their students, while the counties with the lowest rates are well below 50 percent.

Using public school data from EDFacts, the team at StartClass, an education research site by Graphiq, found the county in each state with the lowest high school graduation rate in the 2014-15 school year (the most recent year available). States are listed in alphabetical order from Alabama to Wyoming.

Note: California, Louisiana and Texas did not provide graduation data for the 2014-15 school year, so data from 2013-14 was used instead. Every public school is required to report data to the U.S. Department of Education.

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