LINCOLN, Neb. (AP) _ Trustees have set higher tuition rates for the next two years at the three colleges in the Nebraska State College System. The board approved an increase Tuesday of about $4.50 per credit hour this coming school year, raising the figure to $181.50 per credit hour at the Chadron, Peru and Wayne campuses. The board also approved another $4.50 increase for the 2020-21 school year, raising the in-state tuition to $186 per credit hour. The out-of-state student tuition will rise to $363 per credit hour this coming school year and $372 for 2020-21. It will be the fifth and sixth year in a row that the state college tuition has gone up.