| Rank | Average Education Index ▼ | School District / Population |
| 1. | 16.53 | Weston School District / 10,137 |
| 2. | 16.24 | Westport School District / 26,443 |
| 3. | 16.19 | Woodbridge School District / 9,187 |
| 4. | 16.17 | Darien School District / 20,176 |
| 5. | 16.07 | New Canaan School District / 19,805 |
| 6. | 15.93 | Ridgefield School District / 23,905 |
| 7. | 15.92 | Wilton School District / 17,689 |
| 8. | 15.81 | Easton School District / 7,371 |
| 9. | 15.75 | Regional High School District 09 / 16,128 |
| 10. | 15.74 | Madison School District / 18,726 |
| 11. | 15.70 | Redding School District / 8,757 |
| 12. | 15.67 | Simsbury School District / 23,545 |
| 13. | 15.60 | Regional High School District 05 / 28,477 |
| 14. | 15.58 | Avon School District / 17,223 |
| 15. | 15.49 | Greenwich School District / 61,672 |
| 16. | 15.39 | Bethany School District / 5,510 |
| 17. | 15.38 | Guilford School District / 22,284 |
| 18. | 15.36 | West Hartford School District / 60,573 |
| 19. | 15.36 | Glastonbury School District / 33,033 |
| 20. | 15.30 | Regional School District 18 / 9,655 |
| 21. | 15.28 | Orange School District / 13,780 |
| 22. | 15.27 | Fairfield School District / 57,229 |
| 23. | 15.24 | Brookfield School District / 16,372 |
| 24. | 15.21 | Essex School District / 6,763 |
| 25. | 15.13 | Cornwall School District / 1,459 |
| 26. | 15.09 | Mansfield School District / 24,905 |
| 27. | 15.07 | Farmington School District / 24,935 |
| 28. | 15.00 | Sherman School District / 4,085 |
| 29. | 15.00 | Canton School District / 10,008 |
| 30. | 14.98 | Granby School District / 11,132 |
| 31. | 14.96 | Salem School District / 4,110 |
| 32. | 14.96 | Cheshire School District / 28,878 |
| 33. | 14.92 | Regional School District 12 / 7,629 |
| 34. | 14.87 | Salisbury School District / 3,995 |
| 35. | 14.86 | Hebron School District / 9,231 |
| 36. | 14.86 | Newtown School District / 26,679 |
| 37. | 14.78 | Trumbull School District / 34,671 |
| 38. | 14.74 | Norfolk School District / 1,723 |
| 39. | 14.71 | Tolland School District / 14,653 |
| 40. | 14.70 | Regional School District 14 / 13,233 |
| 41. | 14.66 | Regional High School District 19 / 35,507 |
| 42. | 14.62 | Branford School District / 28,916 |
| 43. | 14.57 | Monroe School District / 19,340 |
| 44. | 14.56 | Old Saybrook School District / 10,517 |
| 45. | 14.56 | East Granby School District / 5,187 |
| 46. | 14.56 | Regional High School District 04 / 15,272 |
| 47. | 14.50 | Stonington School District / 18,415 |
| 48. | 14.48 | Bolton School District / 5,135 |
| 49. | 14.48 | Regional School District 13 / 11,625 |
| 50. | 14.47 | South Windsor School District / 25,915 |
| 51. | 14.46 | Regional High School District 08 / 18,791 |
| 52. | 14.46 | Litchfield School District / 8,667 |
| 53. | 14.45 | Name N/A / 213,921 |
| 54. | 14.43 | Hamden School District / 57,863 |
| 55. | 14.42 | Hampton School District / 2,003 |
| 56. | 14.42 | Regional School District 15 / 26,800 |
| 57. | 14.41 | Regional School District 06 / 7,032 |
| 58. | 14.38 | Regional School District 17 / 14,238 |
| 59. | 14.38 | New Fairfield School District / 14,043 |
| 60. | 14.37 | Colchester School District / 15,536 |
| 61. | 14.36 | Rocky Hill School District / 18,731 |
| 62. | 14.35 | Chester School District / 3,829 |
| 63. | 14.31 | Ledyard School District / 15,159 |
| 64. | 14.31 | Windsor School District / 28,747 |
| 65. | 14.29 | Ellington School District / 14,448 |
| 66. | 14.28 | Eastford School District / 1,693 |
| 67. | 14.28 | New Hartford School District / 6,722 |
| 68. | 14.27 | East Lyme School District / 18,819 |
| 69. | 14.27 | Regional School District 10 / 14,648 |
| 70. | 14.27 | Willington School District / 6,163 |
| 71. | 14.26 | Milford School District / 55,293 |
| 72. | 14.26 | New Milford School District / 28,443 |
| 73. | 14.26 | Stamford School District / 118,787 |
| 74. | 14.26 | Berlin School District / 20,059 |
| 75. | 14.23 | Regional High School District 07 / 13,657 |
| 76. | 14.22 | Columbia School District / 5,343 |
| 77. | 14.22 | Bethel School District / 18,441 |
| 78. | 14.21 | Hartland School District / 1,993 |
| 79. | 14.19 | Portland School District / 9,536 |
| 80. | 14.19 | Cromwell School District / 13,559 |
| 81. | 14.18 | Oxford School District / 12,368 |
| 82. | 14.18 | Westbrook School District / 6,624 |
| 83. | 14.17 | Woodstock School District / 8,133 |
| 84. | 14.17 | Pomfret School District / 4,145 |
| 85. | 14.16 | Marlborough School District / 6,292 |
| 86. | 14.16 | East Hampton School District / 12,507 |
| 87. | 14.15 | North Stonington School District / 5,243 |
| 88. | 14.13 | Regional High School District 01 / 15,925 |
| 89. | 14.12 | Barkhamsted School District / 3,671 |
| 90. | 14.12 | Waterford School District / 18,866 |
| 91. | 14.12 | Bloomfield School District / 20,468 |
| 92. | 14.12 | Clinton School District / 13,579 |
| 93. | 14.11 | East Haddam School District / 8,845 |
| 94. | 14.10 | Kent School District / 2,947 |
| 95. | 14.10 | Coventry School District / 12,197 |
| 96. | 14.09 | North Haven School District / 23,861 |
| 97. | 14.05 | Canaan School District / 1,140 |
| 98. | 14.04 | Suffield School District / 15,027 |
| 99. | 14.00 | North Branford School District / 14,352 |
| 100. | 13.98 | Andover School District / 3,268 |
| 101. | 13.97 | Groton School District / 40,114 |
| 102. | 13.97 | Sharon School District / 3,021 |
| 103. | 13.96 | Southington School District / 42,077 |
| 104. | 13.95 | Wethersfield School District / 25,788 |
| 105. | 13.91 | Manchester School District / 55,740 |
| 106. | 13.91 | Norwalk School District / 83,219 |
| 107. | 13.86 | Lebanon School District / 7,360 |
| 108. | 13.85 | Union School District / 667 |
| 109. | 13.84 | Shelton School District / 39,669 |
| 110. | 13.82 | Wallingford School District / 44,601 |
| 111. | 13.76 | Watertown School District / 22,141 |
| 112. | 13.75 | Colebrook School District / 1,541 |
| 113. | 13.74 | Vernon School District / 29,734 |
| 114. | 13.74 | Middletown School District / 47,702 |
| 115. | 13.74 | Ashford School District / 4,439 |
| 116. | 13.72 | Deep River School District / 4,680 |
| 117. | 13.71 | Newington School District / 29,530 |
| 118. | 13.70 | Regional High School District 11 / 6,406 |
| 119. | 13.70 | Sprague School District / 2,999 |
| 120. | 13.70 | Regional School District 16 / 15,019 |
| 121. | 13.65 | Bozrah School District / 2,414 |
| 122. | 13.64 | Somers School District / 10,980 |
| 123. | 13.61 | Franklin School District / 1,815 |
| 124. | 13.56 | Wolcott School District / 16,297 |
| 125. | 13.55 | Stratford School District / 48,930 |
| 126. | 13.52 | Seymour School District / 16,163 |
| 127. | 13.52 | Voluntown School District / 2,629 |
| 128. | 13.43 | New Haven School District / 123,628 |
| 129. | 13.38 | Thomaston School District / 7,826 |
| 130. | 13.37 | Chaplin School District / 2,515 |
| 131. | 13.37 | Winchester School District / 10,765 |
| 132. | 13.35 | Scotland School District / 1,888 |
| 133. | 13.35 | East Windsor School District / 10,656 |
| 134. | 13.29 | Preston School District / 4,919 |
| 135. | 13.28 | Enfield School District / 45,060 |
| 136. | 13.27 | Windsor Locks School District / 12,422 |
| 137. | 13.25 | Danbury School District / 78,708 |
| 138. | 13.21 | Plymouth School District / 12,039 |
| 139. | 13.20 | Griswold School District / 11,389 |
| 140. | 13.18 | West Haven School District / 52,727 |
| 141. | 13.18 | Canterbury School District / 5,077 |
| 142. | 13.15 | Lisbon School District / 4,229 |
| 143. | 13.09 | New London School District / 26,123 |
| 144. | 13.07 | Putnam School District / 9,272 |
| 145. | 13.07 | Naugatuck School District / 31,827 |
| 146. | 13.07 | Ansonia School District / 18,530 |
| 147. | 13.06 | Plainville School District / 17,210 |
| 148. | 13.06 | Stafford School District / 11,802 |
| 149. | 13.01 | East Haven School District / 28,539 |
| 150. | 13.00 | Montville School District / 19,793 |
| 151. | 12.99 | Torrington School District / 35,495 |
| 152. | 12.99 | Bristol School District / 60,869 |
| 153. | 12.98 | Derby School District / 12,396 |
| 154. | 12.96 | Thompson School District / 9,246 |
| 155. | 12.94 | Brooklyn School District / 7,829 |
| 156. | 12.92 | Norwich School District / 36,596 |
| 157. | 12.91 | North Canaan School District / 3,363 |
| 158. | 12.79 | Meriden School District / 59,078 |
| 159. | 12.71 | East Hartford School District / 48,627 |
| 160. | 12.64 | Killingly School District / 17,608 |
| 161. | 12.60 | Sterling School District / 3,671 |
| 162. | 12.51 | Waterbury School District / 106,909 |
| 163. | 12.49 | Windham School District / 23,671 |
| 164. | 12.46 | Plainfield School District / 15,389 |
| 165. | 12.42 | New Britain School District / 70,548 |
| 166. | 12.13 | Bridgeport School District / 136,715 |
| 167. | 11.80 | Hartford School District / 123,925 |
Please note that we only rank locations with 'Average Education Index' data. The rank above might not be a complete list. Locations without 'Average Education Index' data are not listed.
*ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.
