| Al Asriyya Schools | China | SOCHUM, SC, ECOSOC, DISEC, UNESCO, SPD |
| Al Asriyya Schools | Ecuador | SOCHUM, DISEC, UNESCO |
| Al Asriyya Schools | World Bank | ECOSOC, SPD |
| American School Foundation of Guadalajara | Ethiopia | SOCHUM, EnvCom, DISEC, SC |
| American School Foundation of Guadalajara | Germany | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SPD |
| Bahrain Bayan School | Greece | SOCHUM, EnvCom, UNESCO |
| Bahrain Bayan School | Mexico | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| Civico Liceo Linguistico A. Manzoni | Philippines | SOCHUM, DISEC, SPD |
| Civico Liceo Linguistico A. Manzoni | Sweden | SOCHUM, ECOSOC, DISEC, UNESCO, SC, SPD |
| Deledda International School | Costa Rica | SOCHUM, EnvCom, UNESCO |
| Deledda International School | Equatorial Guinea | SC, SPD |
| Deledda International School | Finland | SOCHUM, ECOSOC, EnvCom, UNESCO,SPD |
| Deledda International School | Jordan | SOCHUM, ECOSOC, EnvCom. DISEC, SPD |
| Deledda International School | Poland | SOCHUM, SC, SPD |
| Deledda International School | Portugal | ECOSOC,DISEC, SPD |
| Deledda International School | Syria | SOCHUM, DISEC, UNESCO, SPD |
| Deledda International School | Ukraine | SOCHUM, DISEC, SPD |
| Deutsche Schule Genua | Brazil | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| Deutsche Schule Genua | Ireland | SOCHUM, ECOSOC, SPD |
| Deutsche Schule Genua | Turkey | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| Gymnasium # 157 | Botswana | SPD |
| Gymnasium # 157 | France | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SC, SPD |
| Gymnasium # 157 | Iran | SOCHUM, DISEC, SPD |
| IISS Einaudi - Casaregis - Galilei | Guatemala | SOCHUM, ECOSOC, SPD |
| IISS Einaudi - Casaregis - Galilei | Lebanon | SOCHUM, ECOSOC |
| IISS Einaudi - Casaregis - Galilei | Zimbabwe | SOCHUM, ECOSOC, SPD |
| ITE Manzoni | Austria | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| ITE Manzoni | Congo | SOCHUM, DISEC, SPD |
| Kuwait English School | Japan | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| Kuwait English School | Spain | SOCHUM |
| Kuwait English School | United States of America | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SC, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Afghanistan | SOCHUM, ECOSOC, DISEC, UNESCO, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Argentina | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Australia | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Canada | EnvCom, DISEC |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Cuba | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Czech Republic | SOCHUM, DISEC, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | D.R. Congo | SOCHUM, EnvCom, DISEC, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Human Rights Watch | SOCHUM |
| Liceo Linguistico Internazionale ‘G. Deledda’ | India | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SC, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Kazhakstan | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SC, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Peru | SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Portugal | UNESCO |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Russian Federation | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SC, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Saudi Arabia | SOCHUM, EnvCom, DISEC, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | South Africa | SOCHUM, EnvCom, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Switzerland | SOCHUM, DISEC, UNESCO,SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Thailand | EnvCom, SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | UNHCR | SPD |
| Liceo Linguistico Internazionale ‘G. Deledda’ | Venezuela | SOCHUM, EnvCom, DISEC, SPD |
| Liceo Scientifico 'G.D.Cassini' | Belgio | SOCHUM, ECOSOC, DISEC |
| Liceo Scientifico 'G.D.Cassini' | Bolivia | SOCHUM,SC, UNESCO |
| Liceo Scientifico 'G.D.Cassini' | Norway | SOCHUM, EnvCom, DISEC |
| Liceo Statale 'Sandro Pertini' | Bangladesh | ECOSOC, EnvCom, SPD |
| Liceo Statale 'Sandro Pertini' | Libya | SOCHUM, EnvCom, DISEC,SPD |
| Liceo Statale 'Sandro Pertini' | Netherlands | SOCHUM, EnvCom, DISEC, UNESCO, SC, SPD |
| Liceo Statale 'Sandro Pertini' | Uganda | SPD |
| Lorentz Lyceum Arnhem | Egypt | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| Lorentz Lyceum Arnhem | Israele | SOCHUM, EnvCom, DISEC,SPD |
| Lorentz Lyceum Arnhem | Republic of Korea | SOCHUM, ECOSOC, DISEC |
| Lorentz Lyceum Arnhem | UNODC | DISEC |
| Rosary Sisters' High School | Denmark | SOCHUM, EnvCom, SPD |
| Rosary Sisters' High School | Hungary | SOCHUM, EnvCom |
| Rosary Sisters' High School | United Kingdom | SOCHUM, EnvCom, DISEC, UNESCO, SC, SPD |
| Rosary Sisters' High School | Uruguay | SOCHUM |
| Schuls Schloss Salem | Chile | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SPD |
| Schuls Schloss Salem | Greenpeace | EnvCom |
| Schuls Schloss Salem | Iraq | SOCHUM, DISEC SPD |
| Schuls Schloss Salem | Nigeria | SOCHUM, DISEC, UNESCO, SPD |
| TED Istanbul College | Cyprus | SOCHUM, DISEC, UNESCO, SPD |
| TED Istanbul College | Italy | SOCHUM, ECOSOC, EnvCom, DISEC, UNESCO, SPD |
| The International School in Genoa | Colombia | SOCHUM, EnvCom, DISEC, UNESCO, SPD |
| The International School in Genoa | Kuwait | SOCUM,EnvCom, DISEC, SC, SPD |
| Tustin High School | Angola | SOCHUM,DISEC |
| Tustin High School | Cote D'Ivoire | SC, SPD |
| Tustin High School | Indonesia | SOCHUM, EnvCom, DISEC, SPD |
| Tustin High School | Latvia | SPD |
| Tustin High School | Nepal | SOCHUM, EnvCom, SPD |
| Tustin High School | North Korea | SOCHUM, EnvCom,DISEC, UNESCO, SPD |
| Tustin High School | Pakistan | SOCHUM, DISEC, SPD |
| Tustin High School | Palestine | SOCHUMN, UNESCO, SPD |
| Tustin High School | Peru | SOCHUM, ECOSOC, EnvCom, SC |
| Tustin High School | Spain | EnvCom, DISEC, UNESCO, SPD |
| Tustin High School | Viet Nam | ECOSOC, UNESCO |
