Student Activity - Student Council
| SCHOOLS | SCHOOL TYPE | STUDENT POPULATION | CITY | STATE / PROVINCE |
|---|---|---|---|---|
| Ben Lippen School | Boarding School | Co-educational | Columbia, (Columbia) | South Carolina |
| Bentley School | Private Day School | Co-educational | Lafayette, (San Francisco) | California |
| Beverly High School | Public High School | Co-educational | Beverly, (Boston) | Massachusetts |
| Bishop Rosecrans High School | Private Day School | Co-educational | Zanesville, (Columbus) | Ohio |
| Blue Valley Public School | Public High School | Co-educational | Overland Park, (Kansas City) | Kansas |
| Burlington High School | Public High School | Co-educational | Burlington, (Davenport) | Iowa |
| Burlington Notre Dame | Private Day School | Co-educational | Burlington, (Davenport) | Iowa |
| Burlington Public School | Public High School | Co-educational | Burlington, (Boston ) | Massachusetts |
| Burr and Burton Academy | Boarding School | Co-educational | Manchester | Vermont |
| Charles Wright Academy | Private Day School | Co-educational | Tacoma, (Seattle) | Washington |
| Cleveland Public School District | Public High School | Co-educational | Cleveland, (Tulsa) | Oklahoma |
| Community Christian School | Private Day School | Co-educational | Norman, (Oklahoma City) | Oklahoma |
| Contra Costa Christian School | Private Day School | Co-educational | Walnut Creek, (San Francisco) | California |
| Denver Christian School | Private Day School | Co-educational | Denver, (Denver) | Colorado |
| DePaul Catholic High School | Private Day School | Co-educational | Wayne, (New York) | New Jersey |
| Elgin Academy | Private Day School | Co-educational | Elgin, (Chicago) | Illinois |
| Fort Smith Public Schools | Public High School | Co-educational | Fort Smith, (Little Rock) | Arkansas |
| Foxcroft Academy | Boarding School | Co-educational | Dover-Foxcroft, (Portand) | Maine |
| Garden School | Private Day School | Co-educational | New York City, (New York) | New York |
| Gilbert Public Schools | Public High School | Co-educational | Gilbert, (Phoenix) | Arizona |
| 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 |
| Holyoke Catholic High School | Private Day School | Co-educational | Chicopee, (Boston) | Massachusetts |
| The Knox School | Boarding School | Co-educational | Long Island | New York |
| Lee Academy | Boarding School | Co-educational | Lee | Maine |
| Lincoln Academy | Private Day School | Co-educational | Newcastle, (Portland) | Maine |
| Linden Hall | Boarding School | All-girls | Lititz, (Philadelphia) | Pennsylvania |
| Lowell Whiteman School | Boarding School | Co-educational | Steamboat Springs | Colorado |
| Lyndon Institute | Boarding School | Co-educational | Lyndonville | Vermont |
| Maine Central Institute | Boarding School | Co-educational | Pittsfield, (Bangor) | Maine |
| Marian High School | Private Day School | Co-educational | Framingham, (Boston) | Massachusetts |
| Matignon High School | Private Day School | Co-educational | Cambridge, (Boston) | Massachusetts |
| Maur Hill – Mount Academy | Boarding School | Co-educational | Atchison | Kansas |
| Medfield Public School | Public High School | Co-educational | Medfield, (Boston ) | Massachusetts |
| Mercersburg Academy | Boarding School | Co-educational | Mercersburg | Pennsylvania |
| Miss Hall’s School | Boarding School | All-girls | Pittsfield | Massachusetts |
| Mohawk Trail Regional High School | Public High School | Co-educational | Shelburne Falls, (Boston ) | Massachusetts |
| Natick High School | Public High School | Co-educational | Natick, (Boston ) | Massachusetts |
| Nauset Regional High School | Public High School | Co-educational | North Eastham, (Boston ) | Massachusetts |
| The Newman School | Private Day School | Co-educational | Boston | Massachusetts |
| North Brookfield Jr/Sr High School | Public High School | Co-educational | North Brookfield, (Boston) | Massachusetts |
| Notre Dame High School | Private Day School | All-girls | Belmont, (San Francisco) | California |
| Oakwood Friends School | Boarding School | Co-educational | Poughkeepsie | New York |
| Oklahoma Christian Academy | Private Day School | Co-educational | Edmond, (Oklahoma City) | Oklahoma |
| Orono Public High School - University Bridge | Public High School | Co-educational | Bangor, (Bangor) | Maine |
| Pentucket Regional School District | Public High School | Co-educational | West Newbury, (Boston) | Massachusetts |
| Phoenix Country Day School | Private Day School | Co-educational | Scottsdale, (Phoenix) | Arizona |
| Ribét Academy College Prep School | Boarding School | Co-educational | Los Angeles | California |
| Rockport High School | Public High School | Co-educational | Rockport, (Boston) | Massachusetts |
| Saugus Public School | Public High School | Co-educational | Saugus, (Boston) | Massachusetts |
| Scottsdale Unified School District | Public High School | Co-educational | Scottsdale, (Scottsdale) | Arizona |
| Shawnee Mission School District | Public High School | Co-educational | Overland Park, (Kansas City) | Kansas |
| Shorecrest Preparatory School | Private Day School | Co-educational | St. Petersburg, (Tampa) | Florida |
| St. Croix High School | Boarding School | Co-educational | West St. Paul, (Minneapolis) | Minnesota |
| Stoneleigh-Burnham School | Boarding School | All-girls | Greenfield | Massachusetts |
| St. Peter-Marian Jr. - Sr. High School | Private Day School | Co-educational | Worcester, (Boston) | Massachusetts |
| St. Stanislaus College Prep | Boarding School | All-boys | St.Stanislaus, (New Orleans) | Mississippi |
| Tacoma School District | Public High School | Co-educational | Tacoma, (Seattle) | Washington |
| Tampa Preparatory School | Private Day School | Co-educational | Tampa | Florida |
| Thornton Academy | Boarding School | Co-educational | Saco, (Portland) | Maine |
| Timberlake Christian Day School | Private Day School | Co-educational | Forest, (Lynchburg) | Virginia |
| Waldorf High School of Massachusetts Bay | Private Day School | Co-educational | Belmont, (Boston) | Massachusetts |
| Walther Lutheran High School | Private Day School | Co-educational | Melrose Park, (Chicago) | Illinois |
| Washington Academy | Boarding School | Co-educational | East Machias | Maine |
| Winthrop High School | Public High School | Co-educational | Winthrop, (Boston) | Massachusetts |
| Woodstock Academy | Boarding School | Co-educational | Woodstock, (Boston) | Connecticut |
| The Woodward School | Private Day School | All-girls | Quincy, (Boston) | Massachusetts |