| Rank |
County |
Percentage with High School Diploma |
| 1 |
Platte County, Missouri
|
94.1%
|
| 2 |
St Charles County, Missouri
|
92.8%
|
| 3 |
Boone County, Missouri
|
92.4%
|
| 4 |
Christian County, Missouri
|
91.9%
|
| 5 |
Cass County, Missouri
|
91.9%
|
| 6 |
Clay County, Missouri
|
91.9%
|
| 7 |
St Louis County, Missouri
|
91.5%
|
| 8 |
Johnson County, Missouri
|
91.1%
|
| 9 |
Pulaski County, Missouri
|
90.0%
|
| 10 |
Nodaway County, Missouri
|
89.8%
|
| 11 |
Camden County, Missouri
|
89.8%
|
| 12 |
Andrew County, Missouri
|
89.7%
|
| 13 |
Holt County, Missouri
|
89.6%
|
| 14 |
Clinton County, Missouri
|
89.6%
|
| 15 |
Cole County, Missouri
|
89.5%
|
| 16 |
Greene County, Missouri
|
89.3%
|
| 17 |
Mercer County, Missouri
|
89.2%
|
| 18 |
Linn County, Missouri
|
89.1%
|
| 19 |
Shelby County, Missouri
|
89.0%
|
| 20 |
Atchison County, Missouri
|
88.2%
|
| 21 |
Lafayette County, Missouri
|
87.4%
|
| 22 |
Adair County, Missouri
|
87.3%
|
| 23 |
Jackson County, Missouri
|
87.3%
|
| 24 |
Ralls County, Missouri
|
87.2%
|
| 25 |
Knox County, Missouri
|
87.2%
|
| 26 |
Osage County, Missouri
|
87.1%
|
| 27 |
Jefferson County, Missouri
|
86.7%
|
| 28 |
Livingston County, Missouri
|
86.7%
|
| 29 |
Callaway County, Missouri
|
86.7%
|
| 30 |
Ray County, Missouri
|
86.6%
|
| 31 |
Schuyler County, Missouri
|
86.5%
|
| 32 |
Worth County, Missouri
|
86.2%
|
| 33 |
Caldwell County, Missouri
|
86.2%
|
| 34 |
Buchanan County, Missouri
|
86.2%
|
| 35 |
Phelps County, Missouri
|
86.2%
|
| 36 |
Cape Girardeau County, Missouri
|
86.1%
|
| 37 |
Clark County, Missouri
|
85.8%
|
| 38 |
Taney County, Missouri
|
85.7%
|
| 39 |
Grundy County, Missouri
|
85.4%
|
| 40 |
Monroe County, Missouri
|
85.4%
|
| 41 |
Barton County, Missouri
|
85.4%
|
| 42 |
Lewis County, Missouri
|
85.4%
|
| 43 |
Howard County, Missouri
|
85.3%
|
| 44 |
Henry County, Missouri
|
85.2%
|
| 45 |
Newton County, Missouri
|
85.0%
|
| 46 |
Putnam County, Missouri
|
85.0%
|
| 47 |
Franklin County, Missouri
|
84.9%
|
| 48 |
Vernon County, Missouri
|
84.6%
|
| 49 |
Macon County, Missouri
|
84.4%
|
| 50 |
Cooper County, Missouri
|
84.3%
|
| 51 |
Cedar County, Missouri
|
84.3%
|
| 52 |
Warren County, Missouri
|
84.2%
|
| 53 |
Chariton County, Missouri
|
84.0%
|
| 54 |
Dade County, Missouri
|
84.0%
|
| 55 |
Lincoln County, Missouri
|
84.0%
|
| 56 |
Daviess County, Missouri
|
83.9%
|
| 57 |
Stone County, Missouri
|
83.8%
|
| 58 |
Gentry County, Missouri
|
83.7%
|
| 59 |
Gasconade County, Missouri
|
83.7%
|
| 60 |
St Clair County, Missouri
|
83.6%
|
| 61 |
DeKalb County, Missouri
|
83.6%
|
| 62 |
Carroll County, Missouri
|
83.5%
|
| 63 |
Howell County, Missouri
|
83.4%
|
| 64 |
Marion County, Missouri
|
83.3%
|
| 65 |
Harrison County, Missouri
|
83.3%
|
| 66 |
Miller County, Missouri
|
83.2%
|
| 67 |
Audrain County, Missouri
|
82.9%
|
| 68 |
Bates County, Missouri
|
82.8%
|
| 69 |
Laclede County, Missouri
|
82.6%
|
| 70 |
Randolph County, Missouri
|
82.6%
|
| 71 |
Jasper County, Missouri
|
82.3%
|
| 72 |
Polk County, Missouri
|
82.2%
|
| 73 |
Pettis County, Missouri
|
82.2%
|
| 74 |
Hickory County, Missouri
|
82.1%
|
| 75 |
Webster County, Missouri
|
82.0%
|
| 76 |
St Louis city, Missouri
|
81.9%
|
| 77 |
Moniteau County, Missouri
|
81.6%
|
| 78 |
Sullivan County, Missouri
|
81.3%
|
| 79 |
Perry County, Missouri
|
81.2%
|
| 80 |
Ste Genevieve County, Missouri
|
81.1%
|
| 81 |
Benton County, Missouri
|
81.0%
|
| 82 |
Morgan County, Missouri
|
80.9%
|
| 83 |
Barry County, Missouri
|
80.8%
|
| 84 |
Maries County, Missouri
|
80.7%
|
| 85 |
St Francois County, Missouri
|
80.4%
|
| 86 |
Lawrence County, Missouri
|
80.4%
|
| 87 |
Texas County, Missouri
|
80.1%
|
| 88 |
Saline County, Missouri
|
80.1%
|
| 89 |
Douglas County, Missouri
|
80.0%
|
| 90 |
Montgomery County, Missouri
|
79.2%
|
| 91 |
Pike County, Missouri
|
78.7%
|
| 92 |
Ozark County, Missouri
|
78.3%
|
| 93 |
Scotland County, Missouri
|
78.2%
|
| 94 |
Bollinger County, Missouri
|
77.4%
|
| 95 |
Wright County, Missouri
|
77.3%
|
| 96 |
Dallas County, Missouri
|
77.3%
|
| 97 |
Oregon County, Missouri
|
77.2%
|
| 98 |
Scott County, Missouri
|
77.0%
|
| 99 |
Madison County, Missouri
|
76.8%
|
| 100 |
Crawford County, Missouri
|
76.6%
|
| 101 |
Butler County, Missouri
|
76.6%
|
| 102 |
McDonald County, Missouri
|
76.5%
|
| 103 |
Dent County, Missouri
|
76.5%
|
| 104 |
Iron County, Missouri
|
76.4%
|
| 105 |
Shannon County, Missouri
|
76.4%
|
| 106 |
Stoddard County, Missouri
|
76.1%
|
| 107 |
New Madrid County, Missouri
|
74.6%
|
| 108 |
Carter County, Missouri
|
74.5%
|
| 109 |
Reynolds County, Missouri
|
74.1%
|
| 110 |
Wayne County, Missouri
|
73.4%
|
| 111 |
Ripley County, Missouri
|
72.1%
|
| 112 |
Pemiscot County, Missouri
|
70.8%
|
| 113 |
Washington County, Missouri
|
70.4%
|
| 114 |
Dunklin County, Missouri
|
69.0%
|
| 115 |
Mississippi County, Missouri
|
66.6%
|