SALEM, OR --  Most Central Oregon high schools have seen an improvement in graduation rates.  The Oregon Education Department reports the statewide graduation rate hit 80-per cent in 2018-19, the highest ever recorded. Several local high schools had graduation rates of more than 90-per cent…including Bend, Summit, Redmond Proficiency Academy, Sisters, Madras, Culver and Crook county. Two high schools, Redmond and La Pine saw their graduation rates drop from last year’s rate. Redmond now at 75-per cent and La Pine is at 70-point-3-per cent.