School Application Process — Entry Test, Interview, Children's Visa in Koh Samui
From shortlist to offer letter + Non-Immigrant ED visa for children
3 international schools — International School of Samui (British/IB, THB 350k), Lamai International (mixed, 220k), PIA (mixed). Best for families settling long-term.
Recommended places & options in Koh Samui
Koh Samui is Thailand's #2 expat island after Phuket — ~25,000 foreigners (British, French, German, Australian). Samui Airport (USM) has direct flights to 5 countries. 10% cheaper than Phuket.
- International School of Samui (ISS) - Bophut
- Lamai International School
- PIA Samui Bilingual
- Samui Phoenix International
- Oonrak International Samui
- Greenacre International (branch)
Koh Samui-specific tips
- 1
ISS admits mid-term — book a remote assessment before relocating
- 2
Bophut-North Chaweng housing is closest to ISS with light traffic
- 3
Application fees THB 10-30k are non-refundable
General steps (5 steps)
- 1Get records from prior school
Official transcript 2–3 years + 1–2 recommendation letters + Principal signature + English translation with Apostille (if from abroad)
- 2Apostille / legalise birth certificate
Hague countries: apostille / non-Hague: legalise at Thai embassy + Thai translation via MFA / 2–4 weeks
- 3Apply to 3–5 schools simultaneously
Leverage offers — pay separate fees (THB 3K–10K per school)
- 4Entry test + interview
Child: literacy + numeracy + reasoning + child-friendly interview / Parents: 30–60 min with Head / English required
- 5Apply ED visa after offer
School issues letter + student ID — use to apply for Non-Immigrant ED visa at a Thai embassy (annual; extend at Immigration in Thailand)
Top neighbourhoods in Koh Samui
- Chaweng (tourist, sea-view)
- Bophut-Fisherman's Village (digital nomads)
- Lamai (families)
- Maenam (quiet)
- Lipa Noi (retirees)
- Taling Ngam (sunset)
British/Australian (Chaweng-Bophut), French (Maenam-Lipa Noi), German (Lamai), Digital Nomads (Bophut)
Frequently asked questions
How much does school application process — entry test, interview, children's visa cost in Koh Samui?
Top THB 300-400k · Mid THB 180-280k · 40% cheaper than Bangkok. National benchmark: Application THB 3K–10K + entry test 3K–8K + ED visa 2K–5K/year.
Which neighbourhoods in Koh Samui are best for expats?
Top picks: Chaweng (tourist, sea-view), Bophut-Fisherman's Village (digital nomads), Lamai (families), Maenam (quiet).
How long does school application process — entry test, interview, children's visa take?
Standard timeline Full process 6–12 months. Koh Samui is similar — NYC can pre-book to complete in a single day.
What about internet and getting around in Koh Samui?
500 Mbps-1 Gbps fiber THB 790-1,290 · 5G in Chaweng-Bophut. Transit: Cars/motorbikes — no Grab/Bolt on the island (local taxis are expensive), motorbike rentals THB 2,500-3,500/month.
When is the best season in Koh Samui?
Tropical — rain Oct-Dec (NE monsoon), high season Jan-Sep
Can my child join without English?
In K1 to Grade 3 yes — young children acquire the language quickly and most schools provide EAL support. From Grade 4 upward an English entry assessment around CEFR B1 is standard, and schools may require a term of intensive EAL before full mainstream placement.
ED visa vs Dependent visa?
If a parent holds a Non-B, Retirement or LTR visa, the child normally takes a dependent visa tied to that parent, which is simpler to renew. If no parent has that status, the child needs an ED visa issued on the school's letter and renewed annually with attendance evidence.
Does heavy absence affect ED visa?
Yes. Schools report attendance to the Ministry of Education, and falling below roughly 80% puts the visa letter at risk. Immigration has enforced this more strictly since 2023, and a renewal can be refused outright where the record shows the student is not genuinely studying.
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