| Rank |
School District |
Percentage with High School Diploma |
| 1 |
Weston School District, Connecticut
|
98.8%
|
| 2 |
Ridgefield School District, Connecticut
|
97.8%
|
| 3 |
Westport School District, Connecticut
|
97.6%
|
| 4 |
Darien School District, Connecticut
|
97.5%
|
| 5 |
Glastonbury School District, Connecticut
|
97.4%
|
| 6 |
Simsbury School District, Connecticut
|
97.0%
|
| 7 |
Wilton School District, Connecticut
|
96.5%
|
| 8 |
Avon School District, Connecticut
|
96.5%
|
| 9 |
New Canaan School District, Connecticut
|
96.2%
|
| 10 |
Guilford School District, Connecticut
|
96.2%
|
| 11 |
Granby School District, Connecticut
|
96.1%
|
| 12 |
Madison School District, Connecticut
|
95.9%
|
| 13 |
Greenwich School District, Connecticut
|
95.8%
|
| 14 |
Brookfield School District, Connecticut
|
95.7%
|
| 15 |
East Hampton School District, Connecticut
|
95.5%
|
| 16 |
New Fairfield School District, Connecticut
|
95.5%
|
| 17 |
Colchester School District, Connecticut
|
95.4%
|
| 18 |
Farmington School District, Connecticut
|
95.2%
|
| 19 |
Canton School District, Connecticut
|
95.2%
|
| 20 |
Fairfield School District, Connecticut
|
95.0%
|
| 21 |
Old Saybrook School District, Connecticut
|
95.0%
|
| 22 |
Ledyard School District, Connecticut
|
95.0%
|
| 23 |
East Haddam School District, Connecticut
|
94.9%
|
| 24 |
Coventry School District, Connecticut
|
94.6%
|
| 25 |
Ellington School District, Connecticut
|
94.5%
|
| 26 |
Tolland School District, Connecticut
|
94.5%
|
| 27 |
Portland School District, Connecticut
|
94.3%
|
| 28 |
Oxford School District, Connecticut
|
94.3%
|
| 29 |
North Stonington School District, Connecticut
|
94.1%
|
| 30 |
West Hartford School District, Connecticut
|
94.1%
|
| 31 |
Stonington School District, Connecticut
|
94.1%
|
| 32 |
Monroe School District, Connecticut
|
94.0%
|
| 33 |
Newtown School District, Connecticut
|
93.9%
|
| 34 |
Cromwell School District, Connecticut
|
93.9%
|
| 35 |
Bethel School District, Connecticut
|
93.7%
|
| 36 |
Bolton School District, Connecticut
|
93.6%
|
| 37 |
Cheshire School District, Connecticut
|
93.4%
|
| 38 |
Regional School District 15, Connecticut
|
93.3%
|
| 39 |
Milford School District, Connecticut
|
93.2%
|
| 40 |
Litchfield School District, Connecticut
|
93.1%
|
| 41 |
Hamden School District, Connecticut
|
93.1%
|
| 42 |
Clinton School District, Connecticut
|
93.0%
|
| 43 |
North Branford School District, Connecticut
|
92.9%
|
| 44 |
Windsor School District, Connecticut
|
92.9%
|
| 45 |
Remainder of Connecticut, Connecticut
|
92.9%
|
| 46 |
Seymour School District, Connecticut
|
92.8%
|
| 47 |
Wolcott School District, Connecticut
|
92.6%
|
| 48 |
South Windsor School District, Connecticut
|
92.6%
|
| 49 |
Trumbull School District, Connecticut
|
92.6%
|
| 50 |
North Haven School District, Connecticut
|
92.6%
|
| 51 |
Southington School District, Connecticut
|
92.5%
|
| 52 |
East Granby School District, Connecticut
|
92.5%
|
| 53 |
Berlin School District, Connecticut
|
92.4%
|
| 54 |
Westbrook School District, Connecticut
|
92.4%
|
| 55 |
Waterford School District, Connecticut
|
92.3%
|
| 56 |
Watertown School District, Connecticut
|
92.2%
|
| 57 |
New Milford School District, Connecticut
|
92.1%
|
| 58 |
Lebanon School District, Connecticut
|
92.1%
|
| 59 |
Shelton School District, Connecticut
|
92.1%
|
| 60 |
Vernon School District, Connecticut
|
92.1%
|
| 61 |
Rocky Hill School District, Connecticut
|
91.6%
|
| 62 |
Wallingford School District, Connecticut
|
91.6%
|
| 63 |
Manchester School District, Connecticut
|
91.5%
|
| 64 |
Branford School District, Connecticut
|
91.5%
|
| 65 |
East Lyme School District, Connecticut
|
91.3%
|
| 66 |
Regional High School District 19, Connecticut
|
91.2%
|
| 67 |
Suffield School District, Connecticut
|
91.2%
|
| 68 |
Stafford School District, Connecticut
|
91.1%
|
| 69 |
Bloomfield School District, Connecticut
|
91.1%
|
| 70 |
Thomaston School District, Connecticut
|
90.9%
|
| 71 |
East Windsor School District, Connecticut
|
90.8%
|
| 72 |
Wethersfield School District, Connecticut
|
90.8%
|
| 73 |
Groton School District, Connecticut
|
90.8%
|
| 74 |
Plymouth School District, Connecticut
|
90.6%
|
| 75 |
Middletown School District, Connecticut
|
90.6%
|
| 76 |
Windsor Locks School District, Connecticut
|
90.3%
|
| 77 |
Griswold School District, Connecticut
|
90.3%
|
| 78 |
Stratford School District, Connecticut
|
90.2%
|
| 79 |
Newington School District, Connecticut
|
90.2%
|
| 80 |
Norwalk School District, Connecticut
|
90.0%
|
| 81 |
Mansfield School District, Connecticut
|
89.1%
|
| 82 |
Plainville School District, Connecticut
|
89.0%
|
| 83 |
Naugatuck School District, Connecticut
|
88.9%
|
| 84 |
East Haven School District, Connecticut
|
88.7%
|
| 85 |
Enfield School District, Connecticut
|
88.4%
|
| 86 |
Somers School District, Connecticut
|
88.4%
|
| 87 |
Putnam School District, Connecticut
|
88.0%
|
| 88 |
Winchester School District, Connecticut
|
88.0%
|
| 89 |
Bristol School District, Connecticut
|
87.3%
|
| 90 |
West Haven School District, Connecticut
|
86.7%
|
| 91 |
Thompson School District, Connecticut
|
86.5%
|
| 92 |
Derby School District, Connecticut
|
86.0%
|
| 93 |
Norwich School District, Connecticut
|
85.6%
|
| 94 |
Montville School District, Connecticut
|
85.4%
|
| 95 |
Ansonia School District, Connecticut
|
85.3%
|
| 96 |
Torrington School District, Connecticut
|
85.2%
|
| 97 |
Stamford School District, Connecticut
|
84.1%
|
| 98 |
Killingly School District, Connecticut
|
83.7%
|
| 99 |
Plainfield School District, Connecticut
|
82.5%
|
| 100 |
East Hartford School District, Connecticut
|
82.1%
|
| 101 |
Danbury School District, Connecticut
|
81.7%
|
| 102 |
Meriden School District, Connecticut
|
80.8%
|
| 103 |
New London School District, Connecticut
|
80.8%
|
| 104 |
New Haven School District, Connecticut
|
80.5%
|
| 105 |
Waterbury School District, Connecticut
|
78.7%
|
| 106 |
Windham School District, Connecticut
|
78.0%
|
| 107 |
New Britain School District, Connecticut
|
76.8%
|
| 108 |
Bridgeport School District, Connecticut
|
72.5%
|
| 109 |
Hartford School District, Connecticut
|
68.5%
|