| Rank | County | Percentage with High School Diploma | 
                            
                                
                                    | 1 | Cass County, North Dakota | 94.3% | 
                            
                                
                                    | 2 | Burleigh County, North Dakota | 92.8% | 
                            
                                
                                    | 3 | Grand Forks County, North Dakota | 92.6% | 
                            
                                
                                    | 4 | Ward County, North Dakota | 92.5% | 
                            
                                
                                    | 5 | Golden Valley County, North Dakota | 91.4% | 
                            
                                
                                    | 6 | Billings County, North Dakota | 91.0% | 
                            
                                
                                    | 7 | Burke County, North Dakota | 90.5% | 
                            
                                
                                    | 8 | Divide County, North Dakota | 90.5% | 
                            
                                
                                    | 9 | Renville County, North Dakota | 90.3% | 
                            
                                
                                    | 10 | Adams County, North Dakota | 89.9% | 
                            
                                
                                    | 11 | Richland County, North Dakota | 89.7% | 
                            
                                
                                    | 12 | Traill County, North Dakota | 89.5% | 
                            
                                
                                    | 13 | Barnes County, North Dakota | 89.4% | 
                            
                                
                                    | 14 | Mountrail County, North Dakota | 89.2% | 
                            
                                
                                    | 15 | Towner County, North Dakota | 89.2% | 
                            
                                
                                    | 16 | Nelson County, North Dakota | 89.2% | 
                            
                                
                                    | 17 | McKenzie County, North Dakota | 89.0% | 
                            
                                
                                    | 18 | Steele County, North Dakota | 88.9% | 
                            
                                
                                    | 19 | Sargent County, North Dakota | 88.8% | 
                            
                                
                                    | 20 | Williams County, North Dakota | 88.7% | 
                            
                                
                                    | 21 | Slope County, North Dakota | 88.5% | 
                            
                                
                                    | 22 | Morton County, North Dakota | 88.4% | 
                            
                                
                                    | 23 | Pembina County, North Dakota | 88.4% | 
                            
                                
                                    | 24 | Foster County, North Dakota | 88.3% | 
                            
                                
                                    | 25 | McLean County, North Dakota | 88.2% | 
                            
                                
                                    | 26 | Ransom County, North Dakota | 88.0% | 
                            
                                
                                    | 27 | Bowman County, North Dakota | 87.9% | 
                            
                                
                                    | 28 | LaMoure County, North Dakota | 87.8% | 
                            
                                
                                    | 29 | Dunn County, North Dakota | 87.3% | 
                            
                                
                                    | 30 | Stark County, North Dakota | 87.3% | 
                            
                                
                                    | 31 | Griggs County, North Dakota | 87.3% | 
                            
                                
                                    | 32 | Dickey County, North Dakota | 87.1% | 
                            
                                
                                    | 33 | Oliver County, North Dakota | 86.7% | 
                            
                                
                                    | 34 | Grant County, North Dakota | 86.7% | 
                            
                                
                                    | 35 | Mercer County, North Dakota | 86.3% | 
                            
                                
                                    | 36 | Cavalier County, North Dakota | 85.9% | 
                            
                                
                                    | 37 | Stutsman County, North Dakota | 85.8% | 
                            
                                
                                    | 38 | Bottineau County, North Dakota | 85.7% | 
                            
                                
                                    | 39 | McHenry County, North Dakota | 85.5% | 
                            
                                
                                    | 40 | Hettinger County, North Dakota | 85.4% | 
                            
                                
                                    | 41 | Ramsey County, North Dakota | 85.4% | 
                            
                                
                                    | 42 | Wells County, North Dakota | 84.6% | 
                            
                                
                                    | 43 | Eddy County, North Dakota | 84.0% | 
                            
                                
                                    | 44 | Pierce County, North Dakota | 83.3% | 
                            
                                
                                    | 45 | Walsh County, North Dakota | 82.4% | 
                            
                                
                                    | 46 | Sheridan County, North Dakota | 81.8% | 
                            
                                
                                    | 47 | Rolette County, North Dakota | 81.5% | 
                            
                                
                                    | 48 | Benson County, North Dakota | 80.7% | 
                            
                                
                                    | 49 | Emmons County, North Dakota | 80.0% | 
                            
                                
                                    | 50 | Kidder County, North Dakota | 78.4% | 
                            
                                
                                    | 51 | Sioux County, North Dakota | 78.2% | 
                            
                                
                                    | 52 | Logan County, North Dakota | 75.3% | 
                            
                                
                                    | 53 | McIntosh County, North Dakota | 72.0% |