iTEP or the International Test of English Proficiency was founded in 2002 by Sharif Ossayran and Perry Akins, two individuals with deep roots in the international education field. Together, they embarked on the creation of an English proficiency test that addressed the needs of the international education community. It is now accepted by the admissions offices of hundreds of US colleges and universities, as well as many Intensive English Programs throughout the country.

iTEP SLATE is designed for high schools, middle schools, and boarding schools. iTEP Academic is designed for universities, community colleges and Intensive English Programs.