North and Central America 

Aruba

• International School of Aruba

• Lucaya International School
• Lyford Cay School
• St. Andrew's School

• International School of Barbados

• Bermuda Institute of Seventh-Day Adventists
• Mount Saint Agnes Academy
• Saltus Grammar School

• Aldergrove Elementary School
• Balmoral Hall School for Girls
• CEGEP de Sainte-Foy
• College of the North Atlantic
• College Northside
• Leo Ussak Elementary School
• Lester B. Pearson United World College of the Pacific
• North Star Montessori Elementary School
• RCS Netherwood
• Strathcona-Tweedsmuir School
• Toronto French School
• Veteran School

• Anglo American School
• The American International School of Costa Rica
• Cloud Forest School - Centro de Educacion Creativa (Creative Learning Center)
• The Country Day School
• Lincoln School
• Marian Baker School

• International School of Havana

• International School of Curaçao

• Abraham Lincoln School
• American School of Santo Domingo
• Carol Morgan School
• Escuela Caribe (Caribe - Vista School)
• Santiago Christian School

• International School of St. Maarten

• Academia Británica Cuscatleca
• Colegio Internacional de San Salvador
• Escuela Americana San Salvador

• International School of Grenada

• The American International School of Guatemala
• The American School of Guatemala
• Christian Academy of Guatemala
• Colegio Interamericano
• Colegio Maya
• Inter-American School

• The Caribbean-American School
• Ecole Flamboyant
• Quisqueya Christian School
• Union School

• The American School of Tegucigalpa
• Discovery School
• Escuela Internacional Sampedrana
• Escuela Bilingue Honduras
• Day-Star School Juticalpa
• Mayatan School
• Mazapan School

• American International School of Kingston
• Belair School
• The Priory School

• American School Foundation
• The American School Foundation of Monterrey, A.C.
• American School of Pachuca
• American School of Puerto Vallarta
• The American School of Tampico
• American School of Torreon
• Colegio Americano de Durango, A.C.
• Colegio Americano de Veracruz
• Colegio Hamilton (Hamilton School)
• Colegio Ingles
• Colegio Peterson (The Peterson School)
• Greengates School
• Instituto Tecnologico y de Estudios Superiores de Monterrey - Campus Chihuahua
• ITAM-Instituto Tecnologico Autonomo de México
• John F. Kennedy School, A.C.
• Pan American School Monterrey
• Westhill Institute

• American-Nicaraguan School

• Caribbean International School
• Crossroads Christian Academy
• Episcopal School of Panama
• International School of Panama
• Oxford International School - Panama City

• Academia del Perpetuo Socorro
• Baldwin School of Puerto Rico
• Caribbean Preparatory School
• Caribbean School
• Episcopal Cathedral School
• Guamani School Guayama
• Robinson School
• Saint John's School

• Amoco Galeota School
• The International School of Port-of-Spain

• Academy International Elementary School
• Armand Hammer United World College of the American West
• Atlanta International School
• The Awty International Shool
• British School of Boston
• British School of Houston
• British School of Washington
• Chinese American International School
• Dallas International School
• Dwight School
• East Bay French American School
• Fountain Valley School of Colorado
• The French American International School
• Lycée Francais International La Pérouse (San Francisco)
• International School of Indiana
• The International School of Minnesota
• International School of Monterey
• International School of the Penninsula
• Lycée Français de Los Angeles
• Lycée Français de New York
• The Masters School
• Oxford Academy
• Rock Creek International School
• The Somerville International Charter School Somerville - Massachusetts 
• United Nations International School
• Washington (D.C.) International School

• Antilles School
• St. Croix Country Day School
• The Good Hope School