Carver Early College at led Atlanta Public Schools graduation rates with 98.6 percent, followed by Coretta Scott King Young Women’s Academy at 94 percent.

Overall, the system graduated 71.5 percent of its 2015 seniors.

Across the state, Georgia high school students graduated at a significantly higher rate than their predecessors, producing a stunning increase in the state’s graduation rate, though tens of thousands are still failing to earn a diploma.

Nearly four out of five of the freshmen of 2011 graduated last spring, the Georgia Department of Education reported Monday.

The 78.7 percent graduation rate is 6.2 percentage points higher than the rate for the class of 2014. That is a large increase, considering that the 2014 rate was less than a fraction of a percentage point higher than the year before.