The Atlanta Journal-Constitution decided during Black History Month to explore how African-American students in DeKalb County are performing academically.

The numbers showed a slight decline last school in their graduation rates, reflecting a drop districtwide. There were sharp increases on the math and reading components of recent SAT exams.

The ACT composite score was 18 for each of the last three years, according to the school district.

African-Americans make up about 65 percent of DeKalb’s student enrollment.

Below are some numbers from the school district and state data.

Graduation Rates:

2013-14   62.5 percent

2014-15   71.3 percent

2015-16   69.6 percent

SAT Mean Reading Scores:

2013-14   394

2014-15   427

2015-16   435

SAT Mean Math Scores:

2013-14   394

2014-15   417

2015-16   424