The state's figures come on the heels of a US Department of Education report, the first time the feds released numbers based on a four-year measure.
Some say the slight increase in the Natural State is a hopeful sign.
"Well it makes me feel real good, graduation is a gatekeeper for many students in terms of being able to be successful beyond high school and public schools," says Arkansas Department of Education's John Hoy.
The new measurement standard allows educators to make more accurate state-by-state comparisons.
Arkansas, Iowa and North Dakota have higher graduation rates than California, for example.