Louisiana's high school graduation rate continues to improve

BATON ROUGE - Louisiana four-year high school graduation rate continues its upward trend, reaching 77.5 percent in 2015. The state education department says that's an all-time high and the fifth year the rate has improved.The education department says black students remain below the average, but their improvement outpaced the state as a whole. The graduation rate for African-American students was 71.4 percent in 2015, up from 67.9 percent the year before and a growth of 12.5 percentage points si