A New Grading Scale Will Be Implemented For Bristol Virginia School Students This Fall. The New Scoring Will Be 90 To 100 For An “A”, 80 To 89 Is A “B”, 70 To 79 Is A “C”, And 60 To 69 Will Be A “D”. Failing Will Be Anything Below A 60. Superintendent Keith Perrigan Said Many Of The Schools In The Southwest And In The Commonwealth Have Already Moved To This Scoring Model.