| Rank | Heating Cost Index ▲ | School District / Population |
| 1. | 10 | Yuma Elementary District / 100,798 |
| 2. | 10 | Yuma Union High School District / 195,266 |
| 3. | 10 | Somerton Elementary District / 22,334 |
| 4. | 10 | Crane Elementary District / 43,440 |
| 5. | 11 | Gadsden Elementary District / 28,694 |
| 6. | 11 | Wellton Elementary District / 4,071 |
| 7. | 12 | Mohawk Valley Elementary District / 1,677 |
| 8. | 13 | Antelope Union High School District / 6,187 |
| 9. | 16 | Lake Havasu Unified District / 55,833 |
| 10. | 19 | Chandler Unified District / 231,764 |
| 11. | 19 | Parker Unified School District / 10,263 |
| 12. | 20 | Quartzsite Elementary District / 5,634 |
| 13. | 20 | Bicentennial Union High School District / 10,085 |
| 14. | 21 | Sacaton Elementary District / 7,465 |
| 15. | 22 | Wilson Elementary District / 3,247 |
| 16. | 22 | Balsz Elementary District / 29,647 |
| 17. | 22 | Tempe School District / 148,671 |
| 18. | 22 | Laveen Elementary District / 44,709 |
| 19. | 22 | Topock Elementary District / 2,525 |
| 20. | 22 | Higley Unified District / 69,496 |
| 21. | 22 | J. O. Combs Unified School District / 38,281 |
| 22. | 22 | Gilbert Unified District / 192,279 |
| 23. | 23 | Riverside Elementary District / 6,837 |
| 24. | 23 | Scottsdale Unified District / 226,958 |
| 25. | 23 | Murphy Elementary District / 13,666 |
| 26. | 23 | Isaac Elementary District / 43,040 |
| 27. | 23 | Bouse Elementary District / 811 |
| 28. | 23 | Phoenix Union High School District / 670,209 |
| 29. | 23 | Phoenix Elementary District / 54,631 |
| 30. | 23 | Osborn Elementary District / 38,505 |
| 31. | 23 | Madison Elementary District / 56,191 |
| 32. | 23 | Roosevelt Elementary District / 105,099 |
| 33. | 23 | Creighton Elementary District / 66,503 |
| 34. | 23 | Queen Creek Unified District / 28,951 |
| 35. | 23 | Mesa Unified District / 468,084 |
| 36. | 23 | Apache Junction Unified District / 56,829 |
| 37. | 23 | Tempe Union High School District / 303,177 |
| 38. | 23 | Fowler Elementary District / 32,062 |
| 39. | 23 | Yucca Elementary District / 487 |
| 40. | 23 | Kyrene Elementary District / 154,506 |
| 41. | 24 | Union Elementary District / 15,110 |
| 42. | 24 | Fountain Hills Unified District / 23,488 |
| 43. | 24 | Ajo Unified District / 3,787 |
| 44. | 24 | Hyder Elementary District / 439 |
| 45. | 24 | Glendale Union High School District / 328,488 |
| 46. | 24 | Washington Elementary District / 229,457 |
| 47. | 25 | Alhambra Elementary District / 88,563 |
| 48. | 25 | Glendale Elementary District / 99,031 |
| 49. | 25 | Cartwright Elementary District / 119,571 |
| 50. | 26 | Stanfield Elementary District / 4,758 |
| 51. | 26 | Gila Bend Unified District / 2,610 |
| 52. | 26 | Paradise Valley Unified District / 251,892 |
| 53. | 26 | Mobile Elementary District / 74 |
| 54. | 26 | Paloma School District / 296 |
| 55. | 27 | Maricopa Unified School District / 49,568 |
| 56. | 28 | Peoria Unified School District / 218,476 |
| 57. | 29 | Superior Unified School District / 3,278 |
| 58. | 29 | Coolidge Unified District / 37,433 |
| 59. | 29 | Pendergast Elementary District / 68,925 |
| 60. | 29 | Dysart Unified District / 169,324 |
| 61. | 29 | Tolleson Elementary District / 15,837 |
| 62. | 29 | Tolleson Union High School District / 173,006 |
| 63. | 30 | Indian Oasis-Baboquivari Unified District / 6,666 |
| 64. | 31 | Florence Unified School District / 75,228 |
| 65. | 32 | Litchfield Elementary District / 79,438 |
| 66. | 32 | Littleton Elementary District / 41,072 |
| 67. | 32 | Sentinel Elementary District / 111 |
| 68. | 32 | Agua Fria Union High School District / 128,761 |
| 69. | 32 | Avondale Elementary District / 49,323 |
| 70. | 33 | Liberty Elementary District / 24,826 |
| 71. | 33 | Buckeye Elementary District / 39,188 |
| 72. | 33 | Colorado River Union High School District / 63,402 |
| 73. | 33 | Mohave Valley Elementary District / 20,894 |
| 74. | 34 | Marana Unified District / 89,418 |
| 75. | 34 | Flowing Wells Unified District / 29,583 |
| 76. | 34 | Amphitheater Unified District / 134,383 |
| 77. | 35 | Owens-Whitney Elementary District / 628 |
| 78. | 35 | Catalina Foothills Unified District / 30,821 |
| 79. | 35 | Casa Grande Union High School District / 88,203 |
| 80. | 35 | Tucson Unified District / 477,922 |
| 81. | 36 | Sunnyside Unified District / 91,086 |
| 82. | 36 | Red Rock Elementary District / 3,067 |
| 83. | 37 | Eloy Elementary District / 6,644 |
| 84. | 37 | Santa Cruz Valley Union High School District / 17,712 |
| 85. | 37 | Picacho Elementary District / 8,001 |
| 86. | 37 | Salome Consolidated Elementary District / 2,899 |
| 87. | 38 | Casa Grande Elementary District / 62,832 |
| 88. | 39 | Miami Unified District / 8,468 |
| 89. | 40 | Cave Creek Unified District / 55,010 |
| 90. | 40 | Buckeye Union High School District / 67,494 |
| 91. | 41 | Palo Verde Elementary District / 2,145 |
| 92. | 41 | Toltec Elementary District / 13,148 |
| 93. | 42 | Arlington Elementary District / 1,335 |
| 94. | 42 | Vail Unified District / 54,562 |
| 95. | 43 | Sahuarita Unified District / 27,400 |
| 96. | 43 | Continental Elementary District / 27,303 |
| 97. | 44 | Altar Valley Elementary District / 7,069 |
| 98. | 45 | Saddle Mountain Unified School District / 8,320 |
| 99. | 45 | Empire Elementary District / 505 |
| 100. | 49 | Deer Valley Unified District / 243,403 |
| 101. | 52 | Bullhead City School District / 39,983 |
| 102. | 52 | Kingman Unified School District / 68,561 |
| 103. | 52 | Oracle Elementary District / 13,855 |
| 104. | 55 | Tanque Verde Unified District / 11,845 |
| 105. | 56 | Hackberry School District / 1,223 |
| 106. | 56 | Valentine Elementary District / 320 |
| 107. | 58 | Wenden Elementary District / 741 |
| 108. | 61 | Hayden-Winkelman Unified District / 1,275 |
| 109. | 63 | Globe Unified District / 10,541 |
| 110. | 63 | Ray Unified District / 3,676 |
| 111. | 69 | Nadaburg Unified School District / 8,546 |
| 112. | 74 | Pomerene Elementary District / 1,106 |
| 113. | 74 | Benson Unified School District / 7,238 |
| 114. | 77 | Redington Elementary District / 94 |
| 115. | 78 | San Fernando Elementary District / 55 |
| 116. | 79 | San Carlos Unified District / 5,591 |
| 117. | 80 | Tonto Basin Elementary District / 1,647 |
| 118. | 81 | St. David Unified District / 4,220 |
| 119. | 82 | Mammoth-San Manuel Unified District / 6,097 |
| 120. | 83 | Aguila Elementary District / 1,157 |
| 121. | 84 | Santa Cruz Elementary District / 1,926 |
| 122. | 86 | Nogales Unified District / 21,898 |
| 123. | 91 | Santa Cruz Valley Unified District / 20,263 |
| 124. | 95 | Morristown Elementary District / 1,485 |
| 125. | 96 | Wickenburg Unified District / 11,718 |
| 126. | 96 | Patagonia Elementary District / 1,362 |
| 127. | 100 | Klondyke Elementary District / 49 |
| 128. | 101 | Peach Springs Unified District / 1,103 |
| 129. | 101 | Sonoita Elementary District / 1,801 |
| 130. | 102 | Littlefield Unified District / 3,636 |
| 131. | 102 | Bisbee Unified District / 6,705 |
| 132. | 103 | Patagonia Union High School District / 3,163 |
| 133. | 105 | Double Adobe Elementary District / 632 |
| 134. | 106 | Cochise Elementary District / 220 |
| 135. | 107 | McNeal Elementary District / 1,403 |
| 136. | 111 | Palominas Elementary District / 10,560 |
| 137. | 112 | Fort Thomas Unified District / 5,401 |
| 138. | 113 | Bonita Elementary District / 1,265 |
| 139. | 114 | Sierra Vista Unified District / 49,181 |
| 140. | 115 | Tombstone Unified District / 7,646 |
| 141. | 118 | Douglas Unified District / 22,014 |
| 142. | 118 | Fort Huachuca Accommodation District / 5,743 |
| 143. | 119 | Pima Unified District / 3,424 |
| 144. | 120 | Safford Unified District / 15,991 |
| 145. | 121 | Naco Elementary District / 1,547 |
| 146. | 122 | Thatcher Unified District / 7,358 |
| 147. | 124 | Bagdad Unified School District / 2,432 |
| 148. | 125 | Willcox Unified District / 7,579 |
| 149. | 128 | Pearce Elementary District / 2,017 |
| 150. | 130 | Valley Union High School District / 3,518 |
| 151. | 130 | Bowie Unified District / 463 |
| 152. | 132 | Hillside Elementary District / 139 |
| 153. | 132 | Ash Creek Elementary District / 591 |
| 154. | 132 | San Simon Unified District / 758 |
| 155. | 136 | Camp Verde Unified District / 11,295 |
| 156. | 136 | Beaver Creek Elementary District / 5,652 |
| 157. | 137 | Congress Elementary District / 1,631 |
| 158. | 137 | Elfrida Elementary District / 910 |
| 159. | 141 | Rucker Elementary District / 33 |
| 160. | 141 | Apache Elementary District / 132 |
| 161. | 149 | Duncan Unified District / 2,767 |
| 162. | 150 | Solomon Elementary District / 3,823 |
| 163. | 157 | Pine Strawberry Elementary District / 1,604 |
| 164. | 163 | Canon Elementary District / 2,661 |
| 165. | 165 | Mayer Unified District / 5,602 |
| 166. | 170 | Walnut Grove Elementary District / 73 |
| 167. | 170 | Crown King Elementary District / 111 |
| 168. | 170 | Skull Valley Elementary District / 600 |
| 169. | 171 | Humboldt Unified District / 52,054 |
| 170. | 179 | Tuba City Unified District / 16,926 |
| 171. | 180 | Payson Unified District / 21,510 |
| 172. | 182 | Page Unified District / 13,337 |
| 173. | 186 | Seligman Unified District / 1,197 |
| 174. | 186 | Colorado City Unified District / 6,301 |
| 175. | 189 | Yarnell Elementary District / 1,211 |
| 176. | 190 | Cottonwood-Oak Creek Elementary District / 30,677 |
| 177. | 190 | Mingus Union High School District / 34,444 |
| 178. | 191 | Clarkdale-Jerome Elementary District / 3,767 |
| 179. | 192 | Kirkland Elementary District / 1,276 |
| 180. | 195 | Prescott Unified District / 55,352 |
| 181. | 201 | Kayenta Unified District / 9,909 |
| 182. | 202 | Williamson Valley Elementary School District / 506 |
| 183. | 210 | Chino Valley Unified District / 21,274 |
| 184. | 222 | Red Mesa Unified District / 7,761 |
| 185. | 232 | Pinon Unified District / 6,729 |
| 186. | 233 | Young Elementary School District / 603 |
| 187. | 237 | Ash Fork Joint Unified District / 2,031 |
| 188. | 238 | Joseph City Unified District / 1,637 |
| 189. | 240 | Cedar Unified District / 8,026 |
| 190. | 241 | Clifton Unified District / 2,909 |
| 191. | 243 | Fredonia-Moccasin Unified District / 3,162 |
| 192. | 244 | Chevelon Butte School District / 542 |
| 193. | 251 | Chinle Unified District / 20,277 |
| 194. | 252 | Holbrook Unified District / 10,570 |
| 195. | 255 | Snowflake Unified District / 12,166 |
| 196. | 260 | Williams Unified District / 5,464 |
| 197. | 262 | Concho Elementary District / 2,644 |
| 198. | 263 | Show Low Unified District / 15,516 |
| 199. | 265 | St. Johns Unified District / 3,929 |
| 200. | 266 | Heber-Overgaard Unified District / 3,969 |
| 201. | 266 | Ganado Unified District / 7,714 |
| 202. | 270 | Whiteriver Unified District / 12,202 |
| 203. | 270 | Morenci Unified District / 3,028 |
| 204. | 271 | Grand Canyon Unified District / 1,707 |
| 205. | 271 | Blue Ridge Unified District / 14,337 |
| 206. | 274 | Sanders Unified District / 6,436 |
| 207. | 276 | Vernon Elementary District / 1,926 |
| 208. | 279 | Window Rock Unified District / 12,438 |
| 209. | 294 | McNary Elementary District / 543 |
| 210. | 298 | Winslow Unified District / 11,733 |
| 211. | 314 | Sedona-Oak Creek Joint Unified District / 14,547 |
| 212. | 325 | Round Valley Unified District / 8,073 |
| 213. | 326 | Eagle Elementary District / 50 |
| 214. | 328 | Blue Elementary District / 46 |
| 215. | 341 | Maine Consolidated School District / 1,543 |
| 216. | 342 | Alpine Elementary District / 401 |
| 217. | 358 | Flagstaff Unified District / 93,120 |
Please note that we only rank locations with 'Heating Cost Index' data. The rank above might not be a complete list. Locations without 'Heating Cost Index' data are not listed.
