Arthit Ourairat Institution

What Arthit Ourairat Institution does

Arthit Ourairat Institution (AOI) is a Thailand-based, founder-controlled private education group established in 2023 by merging four international schools under a single umbrella: British International School, Phuket (BISP, established 1996), SBS International School Chiang Mai (2014), SBS Rangsit, and SBS International School Bangkok (opening 2025). The group delivers international bilingual and trilingual education combining Thai Ministry of Education standards with Cambridge International, IGCSE, and IB programmes; BISP additionally offers IB Diploma, LAMDA, and Rock School examinations and holds joint CIS/NEASC accreditation. Curriculum is delivered through purpose-built campuses including a 44-acre Phuket site, with state-of-the-art STEAM facilities, a medical simulation centre supporting the MedicinePlus track, and a new 9-rai Bangkok campus designed by GreenDwell architects to ASA gold-standard environmental criteria. The group operates a subscription/recurring tuition revenue model priced 30-50% below typical Thai international schools, targeting two primary segments: Thai middle-class families seeking accessible international education, and expatriate families across 60+ nationalities. The institution is owned by the Ourairat family, led by CEO Dr. Apiramon Ourairat (founder's daughter), with professional CXO leadership spanning education, operations, finance, technology, and brand strategy, and recently brought in Dymon Asia Private Equity as its first disclosed institutional capital partner.

Name

Arthit Ourairat Institution

Legal name

Arthit Ourairat Institution

Website

https://arthitourairat.com

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Arthit Ourairat Institution is a Thailand-based, family-owned education group operating four international bilingual schools across Bangkok, Phuket, Chiang Mai, and Rangsit, delivering Cambridge, IGCSE, and IB programmes at tuition fees 30-50% below typical international schools for Thai middle-class and expatriate families.

Ownership category

akta.pro rank

Product category

International K-12 Education Services

NAICS

Elementary and Secondary Schools (6111), Language Schools (61163)

SIC

Services-Educational Services (8200)

akta.pro primary industry

International/Global Curriculum Schools (IB, Cambridge, etc.) (EDAJABAG)

akta.pro secondary industries

K-12 & School-Based Language Exam Prep (AP, IB, IGCSE/A-Levels) (EDANACAE), English Language Schools (ESL/EFL) (EDAIAEAB), Overseas Boarding School Enrollment & Placement (EDAIAHAA)

Keywords

• International school education
• Bilingual K-12 education
• Cambridge international curriculum
• IB world school programmes
• Trilingual language education

Headquarters

HQ city

Phuket

HQ country

Thailand

HQ region

Asia

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Technology or R&D, Others

Revenue model

1. Tuition Fees: AOI schools charge tuition fees that are 30-50% lower than typical international schools while maintaining international education standards

Distribution channels1 record

Marketing channels3 records

Core offering

The Arthit Ourairat Institution operates four international schools in Thailand: British International School, Phuket (BISP) for English-medium day and boarding education, plus three bilingual/trilingual SBS schools in Chiang Mai, Rangsit and Bangkok. Schools deliver Cambridge International, IGCSE and IB PYP/IB Diploma programmes, with students developing English, Thai and Mandarin Chinese proficiency. Career-focused tracks include MedicinePlus, Engineering, Business Enterprise, STEAM, Art Design & Technology, and Tourism and Hospitality.

Product overview

Arthit Ourairat Institution (AOI) is a Thailand-based education group operating a portfolio of four international schools: British International School Phuket (BISP), SBS International School Chiang Mai, SBS Rangsit, and SBS International School Bangkok. BISP is an English-medium boarding and day school offering IB Diploma and IGCSE programmes with CIS/NEASC accreditation. The three SBS schools are bilingual institutions (English/Thai) offering Cambridge International, IB PYP, and career-focused pathways (Medical, Engineering, Business Enterprise, STEAM, Tourism & Hospitality). The AOI framework unifies the schools under shared educational guiding principles emphasizing holistic wellbeing, academic excellence, and global citizenship.

Differentiator

Problem solved

Functional benefit

Brands

• BISP: British International School, Phuket - English medium co-educational day and boarding school established 1996
• SBS Chiang Mai
• SBS Rangsit
• SBS Bangkok

Products and services

• British International School, Phuket (BISP) English medium, co-educational, day and boarding international school for Pre-school, Primary and Secondary students on a 44-acre purpose-built campus with boarding accommodation. Offers IB Diploma, IGCSE, Cambridge ESOL, LAMDA and Rock School examinations; jointly accredited by CIS and NEASC; member of ISAT and FOBISIA.
• SBS International School Chiang Mai International Bilingual Curriculum integrating Thai educational curriculum with international curricula; an accredited Cambridge Early Years centre with a kindergarten programme. Offers trilingual language acquisition in English, Thai, and Mandarin Chinese, plus secondary-school career-focused tracks in Medical Studies, Engineering, Business Enterprise, and Art Design & Technology.
• SBS Rangsit (Satit Bilingual School of Rangsit University) Bilingual school in Pathum Thani for students from pre-Kindergarten to Year 13; first bilingual school in Thailand accredited as an IB World School for the Primary Years Programme (PYP). Offers Cambridge International Programme alongside career-focused pathways including MedicinePlus (with a Medical Simulation Centre), STEAM, Enterprise, and Tourism & Hospitality tracks. Includes Olympic-sized swimming pool, dormitory facilities and comprehensive sports facilities.
• SBS International School Bangkok International school in Bangkok's Lat Krabang district for students aged 2-18 offering a British curriculum-based programme with multilingualism in English, Thai, and Mandarin Chinese. Features a Cambridge Curriculum pathway, Medical Science Centre, Innovation Hub, Board House System, Collaborative Learning Spaces, and a flagship campus built to ASA gold-standard environmental sustainability.
• AOI Guiding Statements Framework Proprietary educational guiding principles framework applied across all AOI schools, encompassing Learner Focussed Approach, Holistic Development, Knowledge + Skills + Innovation, Experiential Learning, Global Citizenship, and Wellbeing & Resilience. Implementation areas include the AOI Student programme, AOI Innovation framework, and AOI Wellbeing framework.

Quantifiable outcome

• BISP students progress to top universities worldwide through IB Diploma Programme
• +2 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Rangsit UniversitycoreStrategic or Co-development PartnerRangsit University was founded by Dr Arthit Ourairat and his father Prasit Ourairat in 1990, and maintains close affiliation with AOI schools. The university offers medical pathways and AOI schools offer courses specifically designed to prepare students for medical studies at university. Dr Arthit served as Rector until May 2022.
• Cambridge Assessment International Education (CAIE)coreTechnology or IntegrationAOI schools deliver Cambridge International curricula including Cambridge Early Years, Cambridge Primary, IGCSE, and AS/A Level programmes. SBS Chiang Mai and SBS Rangsit offer Cambridge programmes as part of their secondary education pathways.
• International Baccalaureate Organization (IBO)coreTechnology or IntegrationBISP offers IB Diploma Programme and Certificate Programmes. SBS Rangsit was the first bilingual school in Thailand to be accredited as an IB World School for the Primary Years Programme (PYP).
• Hospitals for Medical InternshipsminorStrategic or Co-development PartnerSBS Chiang Mai Medical Studies Track partners with various hospitals in Thailand for internship programmes, providing students with first-hand medical experience alongside their academic studies.
• GreenDwell ArchitectsminorImplementation/ SI/ Consulting PartnerGreenDwell designed SBS Bangkok campus to highest environmental standards, prioritizing wellbeing, adaptability, and sustainability. The design received gold standard awards from the Association of Siamese Architects (ASA).

Scale indicators7 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• International School Bangkok (ISB): Established non-profit IB international school in Bangkok with a long track record of university placements. Overlaps directly with BISP's IB Diploma pathway and serves a similar premium expatriate and Thai family segment.
• Harrow International School Bangkok: Premium British-curriculum international school in Bangkok delivering IGCSE and A-Levels, drawing affluent Thai and expatriate families. Competes with AOI for the upper-middle and premium segments of the Bangkok international school market.
• Ruamrudee International School (RIS): Long-established non-profit international school in Bangkok delivering IB and American curricula. Directly competes with AOI schools for expatriate and Thai family enrolments in Bangkok and represents a mature incumbent peer.
• KIS International School Bangkok: IB World School in Bangkok authorised for PYP, MYP and DP. Operates in the same mid-to-upper international school segment as BISP and SBS Bangkok, targeting comparable Thai and expatriate family demographics.
• Wellington College International School Bangkok: Premium British international school in Bangkok offering IGCSE and A-Levels. Competes directly with BISP and SBS Bangkok for high-end enrolments and signals the level of brand-driven premium AOI must contend with.
• Concordian International School: IB World School in Bangkok offering trilingual pathways (English, Thai, Mandarin) — closely mirroring AOI's trilingual SBS proposition and competing for the same Thai middle-class families seeking bilingual international education.
• Shrewsbury International School Bangkok: Premium British international school in Bangkok delivering IGCSE and IB curricula. Competes head-to-head with AOI schools for both expatriate and Thai families seeking top-tier British education in Bangkok.
• Bangkok Patana School: Largest British international school in Thailand offering IB programmes to a largely expatriate community. Directly competes with BISP for premium international school enrolments in Thailand and operates at the upper end of the same tuition band AOI targets with its lower-priced proposition.

Regional players

• Garden International School: Long-established British international school in Kuala Lumpur offering IGCSE and IB Diploma programmes. Operates the same British/international curriculum model as BISP in a comparable Southeast Asian market, providing a useful regional benchmark.

Broad incumbents

• Dulwich College International: Global network of premium British international schools. Historically connected to BISP, which was originally Dulwich International College Phuket before separating in 2004; remains a comparable global brand benchmark and a competitor for premium expatriate enrolments across Asia.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries4 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Arthit Ourairat Institution