At a glance: Understanding Oklahoma schools' A to F grading system - Article Photos 1/1

Oklahoma City Schools Superintendent Karl Springer, left, Edmond Schools Superintendent Dr. David Goin, and Union Superintendent Cathy Burden speak during a press conference, as superintendents from across the state area meet in Oklahoma City, OK, Thursday, October 4, 2012 to express concern and frustration about the A-F school evaluation reform. By Paul Hellstern