Stage 3 : Year 8 and 9 Grade 7 and 8) High School - Key Stage 4 and 5 : Year 10 - 13 (Grades 9 - 12). Headmasters 1991-2000: The school opened under the leadership of Mr Alun Thomas as Founding Headmaster who was instrumental in securing the school's first accreditation with WES World-wide Education Service of CfBT Education Trust (now CfBT Education Trust) and planning for the new campus. 2000-2004: Mr Bruce Gamwell became Headmaster and led the school through its transition from being part of the Saint John's Thai School complex to its own separate campus. 2004-2007: Mr Martin Scott took over as Headmaster. 2007-2009: Mr John Boakes was appointed as the 4th Headmaster of Saint John's International School having been the Head of Primary at the school. 2009–2012: Mr David Lowder. 2012–29 June 2017 : Mr Tony Atkinson. Campus and facilities The school was located in Chatuchak District, Bangkok, Thailand, about halfway between the central business district and Don Mueang International Airport. The school had air-conditioned classrooms and science, drama, music, and ICT rooms. It had an extremely well resourced library. The school was positioned around one playground, a 200m all-weather running track, a football pitch, an athletics field, a gymnasium and a 25m swimming pool with 270 seat stand. References External links School website Facebook page Schools History(In Thai) SJIS information on WWS Saint John's Group of Schools and University CfBT Education Trust (formerly Worldwide Education Server - WES) BAMBI (Bangkok Mothers and Babies International International schools in Bangkok Educational institutions established in 1991 1991 establishments in Thailand Private schools in Thailand Educational institutions disestablished in 2017 2017 disestablishments in Thailand