Campion School is an international school in Athens, Greece that provides instruction in English to a student body of consisting mainly of children of foreign residents, from kindergarten to the thirteenth grade (ages three to eighteen). The school was founded in 1970 by Thomas Campion Shortell in Kolonaki as an independent, non-profit organization governed by a Board of Trustees. The academic program is based on the National Curriculum (England and Wales). The British-style education leads to IGCSE and International Baccalaureate Diploma.
Campion has a pupose-built campus in the Athens suburb of Pallini, about 16km east of the city center and is staffed by a majority of UK universities graduates. Each students are housed into one of three houses: Atlas, Hyperion and Prometheus. Students wear a uniform up to and including year eleven while students in years twelve and thirteen are not required to wear the uniform but must adhere to a dress code. Students are divided into Junior (year 1 through 6) and Senior (years 7 through 13) divisions.