| Rank | Solar Energy Heating House Percentage ▼ | School District / Population |
| 1. | 1.4% | Stark County Community Unit School District 100 / 4,849 |
| 2. | 1.3% | Gifford Community Consolidated School District 188 / 1,427 |
| 3. | 1.0% | Bureau Valley Community Unit School District 340 / 6,985 |
| 4. | 0.9% | Bond County Community Unit School District 2 / 14,175 |
| 5. | 0.8% | Central A & M Community Unit School District 21 / 4,923 |
| 6. | 0.8% | Armstrong Township High School District 225 / 1,320 |
| 7. | 0.7% | Liberty Community Unit School District 2 / 3,461 |
| 8. | 0.7% | Peotone Community Unit School District 207U / 10,965 |
| 9. | 0.6% | Winchester Community Unit School District 1 / 3,761 |
| 10. | 0.6% | Bismarck-Henning Consolidated Unit School District / 4,139 |
| 11. | 0.6% | Forrestville Valley Community Unit School District 221 / 5,626 |
| 12. | 0.6% | Annawan Community Unit School District 226 / 2,249 |
| 13. | 0.5% | Alden-Hebron School District 19 / 3,069 |
| 14. | 0.5% | Edwards County Community Unit School District 1 / 5,564 |
| 15. | 0.4% | Richmond-Burton Community High School District 157 / 12,268 |
| 15. | 0.4% | Nippersink School District 2 / 12,268 |
| 17. | 0.4% | Meredosia-Chambersburg Community Unit School District 11 / 1,773 |
| 18. | 0.3% | LaGrange School District 102 / 24,056 |
| 19. | 0.3% | Columbia Community Unit School District 4 / 11,646 |
| 20. | 0.3% | Brookfield School District 95 / 10,669 |
| 21. | 0.3% | Robinson Community Unit School District 2 / 11,881 |
| 22. | 0.3% | Hampton School District 29 / 2,070 |
| 22. | 0.3% | Wauconda Community Unit School District 118 / 25,107 |
| 24. | 0.2% | Ridgeland School District 122 / 20,640 |
| 25. | 0.2% | Murphysboro Community Unit School District 186 / 14,884 |
| 25. | 0.2% | Illini Bluffs Community Unit School District 327 / 5,468 |
| 27. | 0.1% | Dolton School District 148 / 23,356 |
| 28. | 0.1% | Lyons Township High School District 204 / 66,137 |
| 28. | 0.1% | Riverside Brookfield Township School District 208 / 27,463 |
| 30. | 0.1% | Big Hollow School District 38 / 10,415 |
| 31. | 0.1% | Highland Community Unit School District 5 / 17,129 |
| 31. | 0.1% | Olympia Community Unit School District 16 / 12,530 |
| 33. | 0.1% | Oak Lawn Community High School District 229 / 37,054 |
| 34. | 0.1% | Woodstock Community Unit School District 200 / 36,015 |
| 35. | 0.1% | Naperville Community Unit District 203 / 102,048 |
| 35. | 0.1% | Grayslake Consolidated Community School District 46 / 30,783 |
| 37. | 0.1% | Rantoul Township High School District 193 / 17,182 |
| 37. | 0.1% | Arlington Heights School District 25 / 48,637 |
| 39. | 0.0% | Grayslake Community High School District 127 / 44,353 |
| 39. | 0.0% | Grant Community High School District 124 / 31,246 |
| 39. | 0.0% | Oak Park Elementary School District 97 / 53,103 |
| 42. | 0.0% | Oak Park and River Forest District 200 / 64,226 |
| 42. | 0.0% | Waukegan Community Unit School District 60 / 86,907 |
| 42. | 0.0% | Thornton Township High School District 205 / 118,770 |
| 45. | 0.0% | McHenry Community Consolidated School District 15 / 42,838 |
| 45. | 0.0% | McHenry Community High School District 156 / 45,771 |
| 45. | 0.0% | Community Unit School District 300 / 113,766 |
| 45. | 0.0% | Chicago Public School District 299 / 2,824,076 |
| 49. | 0.0% | Township High School District 214 / 245,678 |
| 49. | 0.0% | Name N/A / 4,722,093 |
| 49. | 0.0% | United Township High School District 30 / 39,811 |
| 49. | 0.0% | Champaign Community Unit School District 4 / 89,676 |
| 53. | 0.0% | School District U-46 / 220,636 |
Please note that we only rank locations with 'Solar Energy Heating House Percentage' data. The rank above might not be a complete list. Locations without 'Solar Energy 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.
