ACS International Schools was created in 1967.
International Correspondence Schools was created in 1890.
International Schools Services was created in 1955.
International Schools Association of Thailand was created in 1995.
Complex of Silesian International Schools was created in 2007.
Port Said International Schools was created in 2005.
ACS Recaş was created in 1917.
ACS Nano was created in 2007.
ACS Chemical Neuroscience was created in 2010.
Stockton Collegiate International Schools was created on 2010-09-07.
Association of Professional Schools of International Affairs was created in 1989.
International Association of Aviation Personnel Schools was created in 1995.
ACS Fortuna Covaci was created in 1973.