St. Andrew's School is an elementary private School that was founded in 1963 by Agnes N. Nery, (first headmistress), Margaret Towers, Sylvia Towers and Fay Crocker. It provides a British type of education through eight grades, preparing students for entry into secondary schools in Uruguay or any schools abroad, whose language of instruction is English. 

Students are also prepared in Spanish studies according to the Uruguayan Educational Authorities' requirements. St Andrew's School is a founding member of AIDEP (Asociación de Institutos de Educación Privada)

The School has approximately 370 pupils and has a Nursery Department for the 3 & 4 year olds. Children start their formal education at the age of 5, and complete the primary cycle when they are 12 and have finished Form VI. The overall ratio of teachers and other professional staff to students is an average of 1:8, making it possible to care for individual needs which is one of the main characteristics of the School.