Students will not be the only ones who may dread showing their grades to parents. Starting in 2014, each Virginia public school will get a very public letter grade ranging from A to F, the Virginia Gazette reports. On the last day of the legislative session, the General Assembly passed a bill creating a system to rate each school on an A-to-F grading scale based on student performance. The final version of House Bill 1999 was approved Saturday on a 22-17 vote in the Senate and a 65-31 vote in the House. This version had been negotiated through a conference committee of members from both chambers…