International schools in Koh Samui where your kids can thrive

Choosing the right international school in Thailand can be a challenge. Every parent wants to find a school that’s the right fit for their child, where they will thrive academically and socially. In this guide, we have selected five of the most revered international schools in Thailand’s beach paradise of Koh Samui.
International School of Samui (ISS)

Address: 141 21, Tambon Bo Put, Amphoe Ko Samui, Surat Thani 84320
The International School of Samui (ISS) follows the British curriculum and is accredited by both Cambridge International Examinations and Pearson Edexcel. It offers a broad selection of subjects, including IGCSE and A Levels, and supports multilingual learning with language options like Mandarin, Spanish, German, French, and Thai.
Known for its warm, family-like atmosphere, ISS places strong emphasis on academic excellence. Recent academic results highlight the school’s success, with 96% of Year 11 graduates achieving A* to C grades and 43% earning A* or A in their IGCSE exams.
Parents frequently praise the quality of education and the school’s supportive culture, although some note that tuition can be higher compared to other local schools.
Panyadee British International School of Samui (PBISS)

Address: 6/5 Moo 3, Bo Phut, Koh Samui, Surat Thani, 84320 Thailand
As its name suggests, British International School of Samui is another British international school in Koh Samui. However, PBISS has a unique curriculum, integrating the Cambridge and STEM+ curricula.
The STEM+ approach integrates science, technology, engineering, and mathematics. The school is highly regarded and is both Cambridge-certified and accredited by the Western Association of Schools and Colleges (WASC).
PBISS places equal importance on academic achievement, emotional development, and personal growth. With a strong sense of community, the school forges close relationships between students, teachers, and families, creating an environment where learners are encouraged to adopt a growth mindset and build meaningful values.
Lamai International School

Address: 206/36 Moo 4, T.Maret, A.Ko Samui, Surat Thani 84310, Thailand
Lamai International School embraces the Cambridge Curriculum with a unique focus on Education for Sustainable Development (ESD), inspired by the United Nations Sustainable Development Goals.
The school promotes socio-emotional learning. Its small and diverse classes are complemented by an international teaching team, creating a supportive and personalised learning experience. Lamai International is particularly known for its inclusive, family-style community where every student is encouraged to grow both academically and emotionally.
Greenacre International School Samui

Address: 108 Moo 2 Namuang, Koh Samui, Surat Thani, Thailand 84140
Greenacre International School Samui is located amidst beautiful scenery, with waterfalls within trekking distance. This adds to the school’s focus on the natural world and environmental awareness.
Greenacre International School follows the English National Curriculum and is a Pearson Edexcel Approved Examinations Centre, with an emphasis on environmental consciousness and cultural awareness. Their environmental curriculum teaches students to take responsibility and pride in their environments and communities, encouraging a sustainable life.
Academic development is complemented by a range of co-curricular activities, helping students unlock their full potential in and outside the classroom.
Windfield International School

Address: 67/7 Had Lamai Rd, Maret, Ko Samui District, Surat Thani 84310
Windfield International School focuses on preparing students to succeed in the 21st century. One of the school’s goals is for its students to be confident working with information and ideas from themselves and others.
The school strives to help students be innovative and equipped for future challenges, while also remaining reflective learners. Windfield strives to develop global citizens while also incorporating the best of traditional values and Thai culture.
With a variety of international schools on Koh Samui offering globally recognised curricula, strong community values, and enriching environments, families are spoiled for choice. Whether you’re drawn to a rigorous academic programme, a focus on sustainability, or a nurturing family-like atmosphere, there’s a school here to match your child’s needs.