| Rank | No Fuel Used Heating House Percentage ▼ | School District / Population |
| 1. | 58.1% | Gadsden Elementary District / 21,820 |
| 2. | 41.6% | Somerton Elementary District / 19,194 |
| 3. | 26.1% | Mobile Elementary District / 68 |
| 4. | 18.0% | Hyder Elementary District / 483 |
| 5. | 14.6% | Yuma Union High School District / 185,507 |
| 6. | 12.5% | San Fernando Elementary District / 49 |
| 7. | 8.6% | McNary Elementary District / 477 |
| 8. | 7.3% | Crane Elementary District / 42,756 |
| 9. | 7.2% | Yuma Elementary District / 101,737 |
| 10. | 5.5% | Owens-Whitney Elementary District / 694 |
| 11. | 5.2% | Eloy Elementary District / 8,687 |
| 12. | 5.1% | Antelope Union High School District / 5,019 |
| 13. | 5.0% | Wilson Elementary District / 3,810 |
| 14. | 4.6% | Canon Elementary District / 2,499 |
| 15. | 4.4% | Wellton Elementary District / 3,359 |
| 16. | 4.1% | Topock Elementary District / 2,495 |
| 17. | 4.0% | Santa Cruz Valley Union High School District / 15,845 |
| 18. | 3.6% | Wenden Elementary District / 711 |
| 19. | 3.6% | Bouse Elementary District / 1,077 |
| 20. | 3.3% | Murphy Elementary District / 16,094 |
| 21. | 3.2% | Gila Bend Unified District / 2,005 |
| 22. | 3.2% | Fort Thomas Unified District / 5,159 |
| 23. | 2.5% | Indian Oasis-Baboquivari Unified District / 5,896 |
| 24. | 2.4% | Mohawk Valley Elementary District / 1,177 |
| 25. | 2.4% | Hayden-Winkelman Unified District / 1,620 |
| 26. | 2.4% | Phoenix Elementary District / 53,279 |
| 27. | 2.2% | Ray Unified District / 4,266 |
| 27. | 2.2% | Heber-Overgaard Unified District / 3,833 |
| 29. | 2.2% | Isaac Elementary District / 43,403 |
| 29. | 2.2% | Naco Elementary District / 1,635 |
| 31. | 2.1% | Name N/A / 2,100,636 |
| 32. | 2.1% | Duncan Unified District / 2,429 |
| 33. | 2.1% | Pima Unified District / 3,577 |
| 34. | 2.0% | Mohave Valley Elementary District / 22,586 |
| 35. | 1.7% | Palominas Elementary District / 10,293 |
| 36. | 1.7% | Nogales Unified District / 22,620 |
| 37. | 1.7% | Bicentennial Union High School District / 8,635 |
| 38. | 1.7% | Cartwright Elementary District / 113,306 |
| 39. | 1.7% | Aguila Elementary District / 885 |
| 40. | 1.7% | Alhambra Elementary District / 86,740 |
| 41. | 1.6% | Quartzsite Elementary District / 5,093 |
| 42. | 1.6% | Parker Unified School District / 11,914 |
| 43. | 1.6% | Roosevelt Elementary District / 96,847 |
| 44. | 1.6% | Superior Unified School District / 3,050 |
| 45. | 1.5% | Douglas Unified District / 21,034 |
| 46. | 1.4% | Phoenix Union High School District / 646,527 |
| 47. | 1.4% | Colorado River Union High School District / 65,407 |
| 48. | 1.3% | Ash Creek Elementary District / 1,010 |
| 49. | 1.3% | Altar Valley Elementary District / 5,999 |
| 50. | 1.3% | Tolleson Elementary District / 15,052 |
| 51. | 1.2% | Fowler Elementary District / 27,583 |
| 52. | 1.2% | Patagonia Elementary District / 1,056 |
| 53. | 1.2% | Creighton Elementary District / 65,314 |
| 53. | 1.2% | Sunnyside Unified District / 84,832 |
| 55. | 1.1% | Bisbee Unified District / 7,480 |
| 56. | 1.1% | Avondale Elementary District / 42,117 |
| 57. | 1.1% | Ash Fork Joint Unified District / 1,188 |
| 58. | 1.0% | Glendale Elementary District / 99,112 |
| 59. | 1.0% | Pearce Elementary District / 2,371 |
| 60. | 1.0% | Bagdad Unified School District / 2,204 |
| 61. | 0.9% | Osborn Elementary District / 40,522 |
| 62. | 0.9% | Valley Union High School District / 4,726 |
| 63. | 0.9% | Tempe School District / 145,015 |
| 64. | 0.8% | Kingman Unified School District / 67,408 |
| 65. | 0.8% | Maricopa Unified School District / 38,331 |
| 65. | 0.8% | Bullhead City School District / 40,326 |
| 67. | 0.8% | Laveen Elementary District / 37,384 |
| 67. | 0.8% | Glendale Union High School District / 334,441 |
| 69. | 0.7% | Buckeye Elementary District / 35,305 |
| 70. | 0.7% | Union Elementary District / 14,568 |
| 71. | 0.7% | Washington Elementary District / 235,329 |
| 72. | 0.7% | Balsz Elementary District / 27,027 |
| 73. | 0.7% | Pinon Unified District / 5,425 |
| 73. | 0.7% | Ganado Unified District / 8,653 |
| 75. | 0.7% | Ajo Unified District / 3,206 |
| 76. | 0.6% | Tombstone Unified District / 7,000 |
| 77. | 0.6% | Show Low Unified District / 15,662 |
| 78. | 0.6% | Casa Grande Elementary District / 56,034 |
| 79. | 0.6% | Apache Junction Unified District / 55,907 |
| 80. | 0.6% | Patagonia Union High School District / 2,263 |
| 81. | 0.6% | Tolleson Union High School District / 160,531 |
| 81. | 0.6% | Tempe Union High School District / 301,204 |
| 81. | 0.6% | Payson Unified District / 20,796 |
| 81. | 0.6% | Tucson Unified District / 478,354 |
| 85. | 0.5% | Benson Unified School District / 7,886 |
| 85. | 0.5% | Amphitheater Unified District / 135,450 |
| 87. | 0.5% | Cedar Unified District / 9,287 |
| 88. | 0.5% | Dysart Unified District / 145,205 |
| 89. | 0.5% | Mesa Unified District / 455,981 |
| 90. | 0.5% | Scottsdale Unified District / 224,296 |
| 90. | 0.5% | Coolidge Unified District / 31,828 |
| 90. | 0.5% | Marana Unified District / 82,156 |
| 93. | 0.5% | Casa Grande Union High School District / 75,661 |
| 94. | 0.5% | Buckeye Union High School District / 60,839 |
| 95. | 0.4% | Willcox Unified District / 7,524 |
| 96. | 0.4% | Prescott Unified District / 56,597 |
| 97. | 0.4% | Agua Fria Union High School District / 109,987 |
| 98. | 0.4% | Stanfield Elementary District / 4,350 |
| 98. | 0.4% | Deer Valley Unified District / 226,328 |
| 100. | 0.4% | Chandler Unified District / 209,740 |
| 100. | 0.4% | Paradise Valley Unified District / 243,065 |
| 102. | 0.3% | Madison Elementary District / 56,072 |
| 103. | 0.3% | Peoria Unified School District / 200,819 |
| 104. | 0.3% | Globe Unified District / 10,892 |
| 105. | 0.3% | Santa Cruz Valley Unified District / 19,992 |
| 106. | 0.3% | Palo Verde Elementary District / 2,091 |
| 106. | 0.3% | Wickenburg Unified District / 9,856 |
| 108. | 0.3% | Pendergast Elementary District / 69,806 |
| 108. | 0.3% | Snowflake Unified District / 11,920 |
| 108. | 0.3% | Cottonwood-Oak Creek Elementary District / 29,928 |
| 111. | 0.3% | Kyrene Elementary District / 156,189 |
| 112. | 0.3% | Mingus Union High School District / 33,568 |
| 112. | 0.3% | Name N/A / 70,450 |
| 112. | 0.3% | Littleton Elementary District / 33,522 |
| 115. | 0.2% | Page Unified District / 12,933 |
| 115. | 0.2% | Chinle Unified District / 18,033 |
| 117. | 0.2% | J. O. Combs Unified School District / 24,628 |
| 118. | 0.2% | Sahuarita Unified District / 24,247 |
| 118. | 0.2% | Florence Unified School District / 61,510 |
| 120. | 0.2% | Lake Havasu Unified District / 55,024 |
| 121. | 0.2% | Gilbert Unified District / 184,009 |
| 121. | 0.2% | Blue Ridge Unified District / 15,791 |
| 121. | 0.2% | Safford Unified District / 15,772 |
| 124. | 0.2% | Higley Unified District / 56,902 |
| 125. | 0.2% | Flowing Wells Unified District / 28,288 |
| 126. | 0.1% | Cave Creek Unified District / 51,324 |
| 127. | 0.1% | Miami Unified District / 8,456 |
| 127. | 0.1% | Camp Verde Unified District / 11,405 |
| 127. | 0.1% | Flagstaff Unified District / 92,821 |
| 130. | 0.1% | Queen Creek Unified District / 22,117 |
| 130. | 0.1% | Liberty Elementary District / 22,097 |
| 132. | 0.1% | Catalina Foothills Unified District / 32,492 |
| 133. | 0.1% | Chino Valley Unified District / 21,325 |
| 134. | 0.0% | Sierra Vista Unified District / 48,373 |
Please note that we only rank locations with 'No Fuel Used Heating House Percentage' data. The rank above might not be a complete list. Locations without 'No Fuel Used Heating House Percentage' 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.
