Founded in 1973 by Cesar Rennert, Rennert International is a privately-owned language education and communications company that serves the world. Our specialties include translation and interpretation services, English and international language instruction, Teen language programs, and ESOL teaching training. Based in New York, Rennert International is based in Berkeley College, Midtown Manhattan, the heart of NYC Rennert is a founding member of the International of Language Centres (IALC), an association of language schools that administers strict quality and ethical controls. We have been shortlisted for Study Travel Magazine's Star Awards, North American English school category, for six years.