BY TIM WILLERT, Staff WriterOklahoma schools are producing only half the workers needed for high-skilled state jobs that require formal learning, a trend that could result in more than 500,000 such jobs going unfilled by Oklahomans by 2020, according to a new report. Oklahoma’s Business Case for Education Reform was researched by two members of the Department of Education Reform at the University of Arkansas.Read more on NewsOK.com