| Rank | County | Percentage with High School Diploma | 
                            
                                
                                    | 1 | Ohio County, West Virginia | 90.3% | 
                            
                                
                                    | 2 | Pleasants County, West Virginia | 89.5% | 
                            
                                
                                    | 3 | Putnam County, West Virginia | 89.3% | 
                            
                                
                                    | 4 | Brooke County, West Virginia | 88.8% | 
                            
                                
                                    | 5 | Monongalia County, West Virginia | 88.4% | 
                            
                                
                                    | 6 | Hancock County, West Virginia | 88.2% | 
                            
                                
                                    | 7 | Wood County, West Virginia | 87.3% | 
                            
                                
                                    | 8 | Marshall County, West Virginia | 86.6% | 
                            
                                
                                    | 9 | Kanawha County, West Virginia | 86.5% | 
                            
                                
                                    | 10 | Jefferson County, West Virginia | 86.3% | 
                            
                                
                                    | 11 | Cabell County, West Virginia | 86.2% | 
                            
                                
                                    | 12 | Mineral County, West Virginia | 85.9% | 
                            
                                
                                    | 13 | Wirt County, West Virginia | 85.4% | 
                            
                                
                                    | 14 | Marion County, West Virginia | 85.3% | 
                            
                                
                                    | 15 | Berkeley County, West Virginia | 84.9% | 
                            
                                
                                    | 16 | Harrison County, West Virginia | 84.8% | 
                            
                                
                                    | 17 | Morgan County, West Virginia | 84.1% | 
                            
                                
                                    | 18 | Tyler County, West Virginia | 83.8% | 
                            
                                
                                    | 19 | Taylor County, West Virginia | 83.8% | 
                            
                                
                                    | 20 | Tucker County, West Virginia | 83.7% | 
                            
                                
                                    | 21 | Jackson County, West Virginia | 83.3% | 
                            
                                
                                    | 22 | Pocahontas County, West Virginia | 83.2% | 
                            
                                
                                    | 23 | Wetzel County, West Virginia | 83.1% | 
                            
                                
                                    | 24 | Preston County, West Virginia | 82.8% | 
                            
                                
                                    | 25 | Randolph County, West Virginia | 82.1% | 
                            
                                
                                    | 26 | Lewis County, West Virginia | 81.5% | 
                            
                                
                                    | 27 | Upshur County, West Virginia | 81.5% | 
                            
                                
                                    | 28 | Nicholas County, West Virginia | 80.7% | 
                            
                                
                                    | 29 | Mercer County, West Virginia | 80.6% | 
                            
                                
                                    | 30 | Ritchie County, West Virginia | 80.5% | 
                            
                                
                                    | 31 | Hardy County, West Virginia | 79.8% | 
                            
                                
                                    | 32 | Mason County, West Virginia | 79.5% | 
                            
                                
                                    | 33 | Greenbrier County, West Virginia | 79.4% | 
                            
                                
                                    | 34 | Grant County, West Virginia | 79.4% | 
                            
                                
                                    | 35 | Pendleton County, West Virginia | 79.3% | 
                            
                                
                                    | 36 | Barbour County, West Virginia | 79.2% | 
                            
                                
                                    | 37 | Raleigh County, West Virginia | 78.9% | 
                            
                                
                                    | 38 | Fayette County, West Virginia | 78.4% | 
                            
                                
                                    | 39 | Doddridge County, West Virginia | 78.3% | 
                            
                                
                                    | 40 | Monroe County, West Virginia | 78.3% | 
                            
                                
                                    | 41 | Hampshire County, West Virginia | 77.6% | 
                            
                                
                                    | 42 | Wayne County, West Virginia | 77.6% | 
                            
                                
                                    | 43 | Summers County, West Virginia | 77.5% | 
                            
                                
                                    | 44 | Roane County, West Virginia | 76.3% | 
                            
                                
                                    | 45 | Logan County, West Virginia | 75.9% | 
                            
                                
                                    | 46 | Gilmer County, West Virginia | 74.7% | 
                            
                                
                                    | 47 | Braxton County, West Virginia | 74.0% | 
                            
                                
                                    | 48 | Wyoming County, West Virginia | 73.7% | 
                            
                                
                                    | 49 | Boone County, West Virginia | 72.2% | 
                            
                                
                                    | 50 | Calhoun County, West Virginia | 71.6% | 
                            
                                
                                    | 51 | Mingo County, West Virginia | 70.1% | 
                            
                                
                                    | 52 | Clay County, West Virginia | 69.8% | 
                            
                                
                                    | 53 | Lincoln County, West Virginia | 68.8% | 
                            
                                
                                    | 54 | Webster County, West Virginia | 67.9% | 
                            
                                
                                    | 55 | McDowell County, West Virginia | 59.9% |