Student Activity - Environmental
| SCHOOLS | SCHOOL TYPE | STUDENT POPULATION | CITY | STATE / PROVINCE |
|---|---|---|---|---|
| Bishop O’Dowd High School | Private Day School | Co-educational | Oakland, (San Francisco) | California |
| Blue Valley Public School | Public High School | Co-educational | Overland Park, (Kansas City) | Kansas |
| Burlington Public School | Public High School | Co-educational | Burlington, (Boston ) | Massachusetts |
| Burr and Burton Academy | Boarding School | Co-educational | Manchester | Vermont |
| Cathedral High School | Private Day School | Co-educational | Springfield, (Boston) | Massachusetts |
| Charles Wright Academy | Private Day School | Co-educational | Tacoma, (Seattle) | Washington |
| Deer Valley Unified School District | Public High School | Co-educational | Phoenix, (Phoenix) | Arizona |
| Elgin Academy | Private Day School | Co-educational | Elgin, (Chicago) | Illinois |
| George Stevens Academy | Boarding School | Co-educational | Blue Hill, (Bangor) | Maine |
| Grand River Academy | Boarding School | All-boys | Austinburg, (Cleveland) | Ohio |
| Groton-Dunstable Regional School District | Public High School | Co-educational | Groton, (Boston ) | Massachusetts |
| Hawaii Preparatory Academy | Boarding School | Co-educational | Kamuela | Hawaii |
| The Knox School | Boarding School | Co-educational | Long Island | New York |
| Masconomet Regional High School | Public High School | Co-educational | Topsfield, (Boston ) | Massachusetts |
| Medfield Public School | Public High School | Co-educational | Medfield, (Boston ) | Massachusetts |
| Mercy High School | Private Day School | All-girls | San Francisco | California |
| Miss Hall’s School | Boarding School | All-girls | Pittsfield | Massachusetts |
| Nawa Academy | Boarding School | Co-educational | French Gulch, (Redding) | California |
| Noble and Greenough School | Private Day School | Co-educational | Dedham, (Boston) | Massachusetts |
| Oakwood Friends School | Boarding School | Co-educational | Poughkeepsie | New York |
| Orono Public High School - University Bridge | Public High School | Co-educational | Bangor, (Bangor) | Maine |
| Perkiomen School | Boarding School | Co-educational | Pennsburg, (Philadelphia) | Pennsylvania |
| Rockport High School | Public High School | Co-educational | Rockport, (Boston) | Massachusetts |
| Shawnee Mission School District | Public High School | Co-educational | Overland Park, (Kansas City) | Kansas |
| St. Johnsbury Academy | Boarding School | Co-educational | St. Johnsbury | Vermont |
| St. Mary’s Ryken High School | Private Day School | Co-educational | Leonardtown, (Washington D.C.) | Maryland |
| Tampa Preparatory School | Private Day School | Co-educational | Tampa | Florida |
| Worcester Academy | Boarding School | Co-educational | Worcester, (Boston) | Massachusetts |