International Schools in Thailand: A Parent's Guide

How international schools in Thailand actually work — the curricula on offer, where the schools are, what they cost, how applications run, and how to narrow a long list down to a shortlist that suits your family.

International schools in Thailand

Quick answer

A parent's guide to international schools in Thailand: British, IB and American options in Bangkok, Chiang Mai and Phuket, with fees and how to apply.

At a glance

Why so many expat families choose an international school in Thailand

Before you start looking

For most families arriving in Thailand, an international school is not a luxury choice — it is the practical one. Thai state schools teach in Thai, follow the Thai national curriculum and are built around Thai qualifications, so a child arriving mid-education with little or no Thai would struggle both linguistically and academically. International schools teach in English, follow curricula that are recognised worldwide, and are used to children joining part-way through a school year.

The second reason is choice. Thailand has one of the larger international school markets in Southeast Asia, and it spans a very wide range — from large, long-established campuses with hundreds of staff and full sixth forms, through to small community schools with a few dozen families. That range means most budgets and most parenting priorities can be accommodated somewhere, which is not true everywhere in the region.

The third is continuity. Expat life often involves another move. A child studying IGCSE, A-Level, the IB or an American high school diploma can usually pick up in another country without repeating a year or re-sitting qualifications. That portability is frequently the single most important factor for families who do not know where they will be in three years.

Before you start shortlisting, it helps to be honest about three things: how long you realistically expect to stay, which country's universities your child is most likely to apply to, and what you can sustainably afford across the whole of your child's remaining school career rather than just next year. Almost every difficult school decision in Thailand comes back to one of those three.

What "international school" actually means in Thailand

In Thailand the term covers schools that teach a foreign curriculum in English and are licensed to do so, rather than a single, uniform category. In practice you will meet four broad types.

British schools follow the English curriculum, leading to IGCSEs at around 16 and A-Levels at around 18. This is the most widely available pathway in Thailand and the most familiar to families from the UK, the Commonwealth and much of Europe.

IB schools offer one or more of the International Baccalaureate programmes — the Primary Years Programme, the Middle Years Programme and the Diploma Programme. The IB is deliberately broad and inquiry-led, and the Diploma is recognised by universities worldwide.

American schools follow a US-style programme with a high school diploma, grade point average and often Advanced Placement courses in the final years. These schools suit families heading towards US universities or who prefer a broader, credit-based approach to the final school years.

Bilingual and Thai-international schools sit alongside these. They teach substantially in English but retain more of the Thai curriculum and Thai language, and they are popular with mixed Thai-international families and with families settling long term.

One further distinction matters for older children. Some schools run all the way from early years to the end of secondary; others stop earlier. If your child is approaching the final years of school, check that the school actually delivers the exit qualification you want, rather than assuming it does.

Where the international schools are

International schools in Thailand cluster around the places where expat families live and work. Bangkok has by far the deepest market and the widest curriculum choice, which is why it is often used as shorthand for the whole country — but it is not the whole country, and the experience elsewhere is genuinely different rather than simply smaller.

Outside the capital, Chiang Mai has a well-established cluster in the north with a strong community feel; Phuket combines island life with several long-standing schools, some of which board; Pattaya and the Eastern Seaboard serve the industrial and manufacturing corridor east of Bangkok; and Hua Hin and Koh Samui have smaller selections that suit families who have already decided on the lifestyle and are choosing a school within it.

The practical consequence is that in Bangkok you choose a school and then choose where to live around the commute, whereas in the smaller markets you are often choosing a location first and then choosing between a handful of schools within it. Both are valid — but they are different searches, and it is worth knowing which one you are doing.

The city listings below are generated from the schools currently published on ExpatSchoolGuide, so they reflect what we actually list rather than an estimate of the market.

British schools

The British pathway is the most common in Thailand. Children move through year groups broadly matching the English system, take IGCSEs at around 16, and then either A-Levels or, at some schools, the IB Diploma in the final two years.

Parents tend to choose it for three reasons: it is familiar, the qualifications are widely understood by universities in the UK, Europe, Asia and Australia, and subject choices narrow progressively, which suits children who already know their strengths. It is less flexible than the American system at the top end — a student taking three or four A-Levels commits early — so it can feel restrictive for a child who wants to keep everything open.

Some British schools in Thailand are branches or partners of well-known schools in England, and others are independent. A recognisable name tells you something about the intended standard and often the fee level, but it is not a substitute for visiting, asking about staff turnover, and looking at recent exam results for the specific subjects your child cares about.

IB schools

The International Baccalaureate is well represented in Thailand, both at schools offering the full continuum from primary onwards and at schools that introduce the Diploma Programme for the final two years only.

The Diploma requires students to study six subject groups alongside Theory of Knowledge, an extended essay and a creativity, activity and service element. That breadth is the point: students keep languages, sciences and humanities running to the end of school. It suits organised, self-directed children and families who value not specialising early, and it is the most naturally portable option if another international move is likely.

It is demanding, and it is not the right fit for every child. If your child is strongly weighted towards a small number of subjects, or finds heavy coursework difficult to manage, a school offering A-Levels or an American programme may serve them better. Where a school offers a choice of exit pathway, ask how many students actually take each route and how the school supports both.

American schools

American-curriculum schools in Thailand run a US-style high school programme, with credits accumulated across the final four years, a grade point average, and often Advanced Placement courses for students who want more challenge in particular subjects.

The main attraction is flexibility. Students continue with a broad set of subjects and can adjust their load year by year, which suits children who are still deciding what they want to pursue. Where a family expects to return to the United States, or where a child is aiming at US universities, following the same system throughout removes a lot of friction from the application process.

As with the British pathway, the label matters less than the detail. Ask which AP courses are actually taught this year rather than listed in the prospectus, and how the school handles university counselling for destinations outside the US.

International schools and bilingual schools — what's the difference?

Families often use the two terms interchangeably, and in Thailand they are genuinely different things.

An international school teaches a foreign curriculum, in English, with a largely international teaching body, and its students sit international qualifications. A bilingual school follows more of the Thai curriculum, teaches a substantial part of the timetable in English, and keeps Thai language and Thai exams in place.

Bilingual schools usually cost less and often give a child much stronger Thai. That can be exactly right for a family settling permanently, or for a child with a Thai parent. It is usually the wrong choice for a family who expect to move on within a few years, because the exit qualifications are less portable and the transition into an international curriculum later can be awkward — particularly after the age of about 14.

If you are weighing this up, look at where the school's leavers go next. A school whose students routinely move on to Thai universities is telling you something useful about which system it is really built around.

Not sure which schools fit your family?

Choosing an international school depends on your child's age, curriculum preference, location and budget. Tell us what you're looking for and we'll help you identify schools worth considering.

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How much do international schools cost in Thailand?

Fees vary enormously — far more than parents usually expect before they start looking. The gap between a small community school and a large campus with a full sixth form, boarding and extensive facilities is several times over, and both sit within the same market.

The more useful thing to understand at this stage is the shape of the cost rather than the headline number. Tuition is charged annually and rises as your child moves up the school, so the figure quoted for a five-year-old is not the figure you will be paying at sixteen. On top of tuition there are typically one-off application and registration charges, a place-holding or capital contribution at some schools, and then recurring costs for transport, meals, uniform, devices, trips and exam entry.

Ask every school for a full fee schedule in writing, covering all year groups, not just the one you are joining. Ask what has happened to fees over the last three years, whether sibling discounts apply, what notice period is required if you leave, and what is refundable if your relocation falls through. Those answers separate schools far more reliably than the advertised tuition does.

We cover Thailand's fee structures in detail — including how the tiers differ by city — in the dedicated fees guide.

What school fees usually exclude

Ask about each of these in writing

The advertised tuition figure is rarely the whole cost, and the extras are where budgets slip. Most schools charge separately for the school bus, and the price usually depends on distance rather than being a flat rate — in Bangkok in particular, a longer route costs more and takes longer.

Lunch is normally either a compulsory meal plan or a top-up account, uniform is bought through the school or an approved supplier, and devices are frequently a requirement rather than an option from a certain year group upwards. Trips, sports fixtures, music tuition, external exam entry and some after-school clubs are commonly billed on top.

Some schools also charge a one-off capital, development or building levy — sometimes per family, sometimes per child — alongside the application and registration fees. Whether any of it is refundable if your relocation falls through varies school by school, and it is worth asking before you pay a deposit rather than after.

Ask for the full schedule of compulsory and optional charges in writing, and ask specifically which items are compulsory. Two schools with similar tuition can differ meaningfully once transport, meals and levies are included.

The school year, application timing and mid-year entry

Most international schools in Thailand run an August-to-June academic year with three terms, which mirrors the British and American calendars rather than the Thai state school year that starts in May. A minority follow a different pattern, so confirm the calendar for the specific school before booking flights or handing in notice on a lease.

Applications generally open around a year ahead for the following August, and the busiest year groups — entry points such as the start of primary and the start of secondary — fill first. If you are applying for one of those, apply early and to more than one school.

Waiting lists are routine rather than a sign of a problem. Ask where you sit on the list, how the list is ordered, whether siblings take priority, and how often places actually come free in that year group. A school that answers those questions precisely is usually being straight with you.

Mid-year entry is common and most schools accommodate it, subject to space in the right year group. It is harder for teenagers already part-way through IGCSE, A-Level, IB Diploma or US high school credits, because the subjects already started have to be available at the new school. In that situation, check subject-by-subject before you commit.

Thai language, boarding and other practical questions

Thai language. International schools teach in English and communicate with parents in English, so Thai is not a requirement for admission. Most teach Thai as a subject, and schools follow Thai Ministry of Education expectations for Thai language and culture to differing degrees. If you expect to stay long term, ask how much Thai your child would actually get each week and whether there are separate streams for beginners and native speakers.

Boarding. Boarding is available at a small number of schools, more often outside Bangkok — in Chiang Mai, Phuket and on the Eastern Seaboard — and is used both by families based elsewhere in Thailand and by families in the region. Where boarding matters to you, treat it as a filter early, because it narrows the shortlist sharply.

English support. Where a child is not yet a fluent English speaker, ask how support is delivered, by whom, for how long, and whether it is charged separately. Schools differ considerably here, and the answer matters more than the marketing.

Documentation. Enrolment normally requires a passport, recent school reports, immunisation records and sometimes a reference. Visa and school processes run on separate timelines, so start both earlier than feels necessary.

How to apply

Applications in Thailand are handled school by school. There is no central admissions system, so you apply directly to each school on your shortlist, and each will have its own form, its own fees and its own timetable.

The broad journey is consistent even though the detail differs: an initial enquiry, a campus visit or online meeting, a formal application with supporting documents, some form of assessment, an offer, and then a deposit to secure the place. Schools normally ask for recent school reports, a passport, immunisation records and sometimes a reference from the current school. Where a child is not a fluent English speaker, expect an English assessment and a conversation about additional language support.

Two things catch families out. The first is timing: popular year groups at popular schools fill early, and a waiting list is common rather than exceptional. The second is the gap between an offer and a place — an offer usually needs a deposit within a set window, and that window may close before your relocation is confirmed.

Start earlier than feels necessary, apply to more than one school, and put the deposit deadlines in your calendar as soon as you receive them.

Bangkok Patana School — an international school in Bangkok
Bangkok Patana School, Bangkok

Choosing the right school for your child

Once you have three or four plausible schools, the decision stops being about the market and starts being about your child. These are the factors that reliably matter.

Curriculum and exit qualifications. Match the pathway to where your child is likely to finish school and apply to university, not to what is most prestigious locally.

Age and year group. Systems align differently, and a child can end up half a year ahead or behind. Confirm in writing which year group your child will actually enter.

Location and commute. In larger cities a long commute is the single most common regret. Ask about bus routes and realistic door-to-door times at the hours you would actually travel.

Fees. Judge affordability against the full cost through to the end of school, including the increases as your child moves up.

Admissions. Check availability in your child's specific year group. A school with space in Year 3 may have none in Year 9.

Language. Ask how English support is delivered, who delivers it, and whether it costs extra. Ask the same about Thai and about mother-tongue provision.

University pathways. Ask where recent leavers went, and whether the counselling team has experience with the countries you care about.

Facilities. Look at what your child would use weekly, rather than the showpiece items on the tour.

School size. Large schools offer more subjects, teams and clubs; small schools offer visibility and a closer community. Neither is better in the abstract.

Extracurricular activities. Check what runs after school, whether it is included, and how children get home afterwards.

Wherever you can, visit during a normal school day rather than at an open event, and talk to parents who already have a child in the year group you are joining.

International preschool and kindergarten in Thailand

What to check before applying to a preschool or kindergarten

Parents use several words for the same stage, and schools in Thailand use them inconsistently. An international preschool, an international kindergarten, a nursery and an early years department can all describe provision for children roughly between the ages of two and six — sometimes as a standalone setting, sometimes as the first section of a school that continues to age eighteen. What matters is the age range and the hours, not the label above the door.

Broadly: nursery tends to mean the youngest children, from around age two; preschool or kindergarten usually covers the years before formal schooling begins, roughly ages three to five or six; and early years is the term British-curriculum schools use for the same period, ending as a child moves into Year 1 at around five. American-system schools often call the final year before first grade kindergarten. Confirm which year group your child would enter, because the same age sits in differently named classes across systems.

This stage is genuinely different from later schooling. Curriculum labels matter far less; how the day is structured matters far more. Learning is play-based rather than subject-based, there is no exam pressure, and the questions that actually predict how well a child settles are practical ones: how many adults are in the room, how settling-in is handled for a child who has just moved country, how much of the day is spent outdoors, whether the hours cover a full working day, and whether the setting is licensed for the age group it takes.

Joining a school at preschool or kindergarten is often the simplest route into a school that becomes harder to enter later. Some families use a standalone preschool first and apply into a larger international school at primary entry; that works, but ask whether attendance gives any priority for later places, because in most cases it does not.

Language is rarely a barrier at this age. Children joining an English-medium setting at three or four normally acquire the language quickly, and an environment with both English and Thai around them can be an advantage at this stage rather than a complication.

Secondary schools and teenagers

Choosing for a teenager is a narrower and more urgent decision, because the exit qualification is now close enough to matter.

By around 14 a child is entering the two-year run into IGCSEs or the equivalent, and by 16 they are committing to A-Levels, the IB Diploma or a US high school programme. Moving country in the middle of either phase is disruptive, so the school's ability to take a student mid-course — and to teach the specific subjects already started — becomes the deciding factor rather than campus quality.

Ask very specific questions at this stage. Which subjects are actually offered at IGCSE and at sixth form this year? How large are the sixth-form classes? Who provides university guidance and for which countries? What happens to a student whose predicted grades slip?

It is also worth asking your child. Teenagers who have had a genuine say in the choice settle faster, and after an international move that matters more than most parents expect.

How relocating affects your school choice

School choice is one part of a bigger relocation, and it interacts with the rest of it. Where your child goes to school will shape which area you live in, how long your commute is, and in the larger cities how much of your week is spent in traffic.

The order that works best for most families is: shortlist schools, confirm availability in the right year group, then choose an area within a sensible distance, then sign a lease. Doing it the other way round is the most common relocation mistake we see, and it is expensive to undo.

Visas, work permits and school registration are separate processes with separate timelines, and schools will normally ask for documentation as part of enrolment. Build in more time than you think you need, particularly if you are moving mid-year.

How ExpatSchoolGuide can help

We maintain a directory of international schools in Thailand with profiles covering curriculum, age range, location and contact details, so you can build a realistic shortlist before you arrive.

You can browse every school we list in Thailand, filter by city to see what exists in a specific location, compare shortlisted schools side by side, and contact schools directly from their profiles. Where a school has told us something officially — fees, curricula, facilities — we show it as published; where we do not hold verified information, we say so rather than guessing.

If you would rather not work through the directory yourself, tell us your child's age, your preferred location and your budget, and we will point you towards the schools that genuinely fit.

Frequently Asked Questions

Do I need to speak Thai to send my child to an international school in Thailand?

No. International schools in Thailand teach in English and communicate with parents in English. Most also teach Thai as a language subject, and some offer stronger Thai provision than others, which is worth asking about if you plan to stay long term.

Can my child join an international school part-way through the school year?

Often yes, if there is space in the right year group. International schools are used to families arriving mid-year. Availability varies sharply by year group, so check the specific year your child would enter rather than the school as a whole.

What is the difference between an international school and a bilingual school in Thailand?

An international school teaches a foreign curriculum in English and leads to international qualifications such as IGCSE, A-Level, the IB Diploma or a US high school diploma. A bilingual school keeps more of the Thai curriculum and Thai language, teaching part of the timetable in English. Bilingual schools usually cost less but the qualifications are less portable if you move country again.

Which curriculum should we choose in Thailand?

It depends on where your child is likely to finish school and apply to university. The British pathway suits families heading for the UK, Europe or Australia; the IB is the most portable if another international move is likely; an American programme suits families returning to or aiming at the United States.

How early should we apply?

As early as you can. There is no central admissions system in Thailand, so you apply to each school separately, and popular year groups fill well in advance. Waiting lists are normal rather than exceptional, so apply to more than one school and note every deposit deadline.

What is an international preschool or kindergarten in Thailand?

Parents use preschool, kindergarten, nursery and early years to describe broadly the same stage — provision for children from around age two up to five or six, before formal schooling begins. Some settings are standalone; others are the first section of an international school that continues to age eighteen. Confirm the exact age range and which year group your child would enter, because the same age sits in differently named classes across the British and American systems.

When does the school year start at international schools in Thailand?

Most international schools in Thailand run an August-to-June academic year with three terms, following the British and American calendars rather than the Thai state school year that begins in May. A minority use a different calendar, so check the term dates for the specific school before finalising your move.

What do school fees usually exclude?

Tuition typically excludes the school bus, lunch, uniform, required devices, trips, exam entry fees and some after-school activities. Many schools also charge application and registration fees, and some charge a one-off capital or development levy. Ask for the full schedule of compulsory and optional charges in writing before you pay a deposit.

Are there boarding schools in Thailand?

Boarding is offered by a small number of international schools, more often outside Bangkok — in Chiang Mai, Phuket and on the Eastern Seaboard. If boarding matters to you, treat it as a filter at the start of your search, because it narrows the shortlist considerably.

International schools in Bangkok

International schools in Chiang Mai

International schools in Phuket

International schools in Pattaya and the Eastern Seaboard

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Planning the rest of your move to Thailand

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