Answers to the questions families most often ask about Concordian International School. For anything not covered here, please contact our admissions team.

Where is Concordian International School located?

Concordian International School is located in Bangkok, on the Bangkok / Samut Prakarn provincial border, 100 metres from the Bangkok provincial line. The campus is at 918 Moo 8, Bangna-Trad Highway km. 7, Bangkok, Samut Prakarn 10540, approximately 25 minutes from central Bangkok’s Sukhumvit corridor and 20 minutes from Suvarnabhumi International Airport.

Is Concordian in Bangkok or Samut Prakarn?

Concordian’s campus sits in Bang Phli district on the Bangkok / Samut Prakarn provincial border, just 100 metres from the Bangkok provincial line. Functionally, Concordian operates within Greater Bangkok and serves families across the Bangna, Bearing, On Nut, Sukhumvit, and Sri Nakarin residential clusters of eastern Bangkok, as well as the Eastern Seaboard.

Is Concordian an IB World School?

Yes. Concordian is fully authorized by the International Baccalaureate Organization to deliver all three IB programmes: the Primary Years Programme (PYP, authorized 5 July 2004), the Middle Years Programme (MYP, authorized 5 June 2007), and the Diploma Programme (DP, authorized 25 March 2008). Concordian is one of the few full-continuum IB schools in Thailand.

What IB programmes does Concordian offer?

Concordian offers all three International Baccalaureate programmes — the Primary Years Programme (PYP), the Middle Years Programme (MYP), and the Diploma Programme (DP) — across Pre-Kindergarten through Grade 12 (ages 2-18).

What languages does Concordian teach in?

Concordian delivers a true trilingual immersion programme in English, Mandarin Chinese, and Thai from Pre-Kindergarten through Grade 12. Unlike most international schools in Thailand, where a second or third language is taught only as a subject, Concordian uses all three languages as media of instruction across the curriculum.

Does Concordian offer the IB Bilingual Diploma?

Yes. Students who take Chinese or Thai in Group 1 (Studies in Language and Literature) at Concordian are eligible for the IB Bilingual Diploma. Concordian also offers a self-taught Language A option at Standard Level for students whose native language is not English, Thai, or Chinese.

What is Concordian’s IB Diploma average score?

Concordian’s IB Diploma Programme average is typically 35 to 37 points out of a maximum of 45 across the seventeen graduating classes from 2010 to 2026. The Class of 2026 achieved a record school average of 37 points against a worldwide average of 30.88, with 95 percent of candidates awarded the IB Diploma and 33 percent of the cohort scoring 40 points or higher. Concordian’s average has exceeded the worldwide IB Diploma average every year for seventeen consecutive years, by an average of approximately +4.7 points.

What is Concordian’s graduation rate?

Concordian has had a 100 percent Grade 12 graduation rate every year since the school’s first graduating class in 2010, including all 42 students in the Class of 2026. A total of 510 students have completed Grade 12 at Concordian between 2010 and 2026.

Have Concordian students earned perfect IB Diploma scores?

Yes. Concordian students have achieved the maximum possible IB Diploma score of 45 points in four graduating classes: 2010, 2022, 2024, and 2026. In the Class of 2026, two students each earned a perfect score of 45.

Where do Concordian graduates go to university?

498 of the 510 Concordian graduates from 2010 to 2026 matriculated directly to university, including all 42 graduates in the Class of 2026. Graduates have been accepted to more than 300 universities and have gone on to study in 16 countries and territories, among them the United States, the United Kingdom, Canada, Australia, Switzerland, the Netherlands, Japan, Singapore, Hong Kong, mainland China and Thailand. Acceptances include all six Ivy League institutions represented in the school’s destinations (Brown, Columbia, Cornell, Dartmouth, Pennsylvania, Yale), the UK G5 (Oxford, Cambridge, Imperial College London, University College London, London School of Economics), Stanford, Johns Hopkins, the University of Toronto, the University of Hong Kong, Tsinghua University, Peking University, and the leading universities in Thailand including Chulalongkorn, Mahidol, and Thammasat.

Who is the Head of School at Concordian International School?

Laurent Goetschmann has served as Head of School and Chief Executive Officer of Concordian International School since 2014. He has been with the school since 2004, a tenure spanning the school’s authorization across all three International Baccalaureate programmes.

What is Concordian’s teacher retention rate?

Concordian has retained an average of 90 percent of its teachers each year over the past 14 years (2012-2013 to 2025-2026).

Who founded Concordian International School?

Concordian International School was founded in 2001 by Khun Varnnee Chearavanont Ross.

Is Concordian accredited?

Concordian is accredited by the Council of International Schools (CIS, most recently reaccredited on 2 February 2022) and by the New England Association of Schools and Colleges (NEASC). The school is licensed by the Office of the Private Education Commission of the Thai Ministry of Education, and quality-assured by ONESQA. Concordian is a member of EARCOS, ISAT, NACAC, International ACAC, and the UN Global Compact Network Thailand.

When does Concordian sit IB Diploma examinations?

Concordian is a May examining school (Northern hemisphere session). IB Diploma results are released in early July.