The Government Accountability Office says that there are "significant quality issues" with the U.S. Department of Education's data on restraint and seclusion in schools. (Thinkstock)

Delaware Class of 2019 students with disabilities graduated at a rate of 71.59 percent – a record high for students with disabilities pursuing a standard high school diploma. It is nevertheless almost 17 points lower than the statewide rate, 88.27 percent, which encompasses the entire Delaware public school and charter student population.