The U.S. Environmental Protection Agency has compiled a list of the U.S. K-12 school systems that are the largest users of green power among those who take part in the agency's Green Power Partnership.
The latest list of green K-12 schools, released in January, placed the Tucson Unified District at the top of the list as the largest user of green power
The EPA established the Green Power Partnership in 2001 to encourage voluntary green power use and advance the U.S. market for green power and the development of renewable electricity sources.
Here are the 10 school systems that topped the EPA's list:
| School System | Location | annual green power usage (kWh) | green power as % of total electricity use | green power resources |
| Tucson Unified | Tucson AZ | 22,366,310 | 26% | solar |
| Austin | Austin TX | 19,780,000 | 68% | wind |
| Harmony (charter network) | Texas | 17,363,410 | 100% | wind |
| Amphitheater | Tucson AZ | 16,685,180 | 67% | solar |
| Arlington County | Arlington VA | 5,342,483 | 9% | solar, wind |
| Sidwell Friends School (private) | Washington DC | 3,686,900 | 102% | solar wind |
| Webster Groves | Webster Groves MO | 2,500,000 | 38% | various |
| Grace Church School (private) | New York NY | 2,396,570 | 100% | wind |
| Maplewood Richmond Heights | Maplewood MO | 2,361,000 | 69% | various |
| Dwight Englewood School (private) | Englewood NJ | 2,033,727 | 100% | wind |
