Navigating international school admissions in Bangkok takes planning, and the earlier you start the better your options. The Thai capital is home to dozens of international schools running British, American, IB and Singapore-style programmes, and the most sought-after places fill months ahead. This 2026 guide walks you through the admissions timeline, the documents you will need, entrance assessments and the language support available for children still building their English.
How international school admissions work in Bangkok
Most international schools in Bangkok operate a rolling admissions system, accepting applications year-round subject to availability, while aligning intake with an August or September start. Because expat families arrive on their own timelines, schools try to be flexible, but competitive year groups such as the early years and the two IB Diploma years can close early. Aim to begin your search six to twelve months before your intended start date.
Curricula available in Bangkok
Bangkok's international schools offer a broad choice of pathways: the International Baccalaureate continuum, the English National Curriculum leading to IGCSE and A Levels, American diploma and Advanced Placement routes, and Singapore-influenced bilingual programmes. Your choice of curriculum shapes the admissions process, since IB and A Level entry into senior years often involves subject-specific assessments and a review of prior transcripts.
The Bangkok admissions timeline step by step
A typical application follows a clear sequence. First, shortlist schools and request a tour or virtual meeting. Next, submit an online application form with the application fee. Schools then request supporting documents and invite your child for an assessment or informal interview. Once a place is offered, you confirm by paying the enrolment fee and deposit, then complete visa and enrolment paperwork ahead of the first day. Allow two to six weeks between application and offer, longer during peak enrolment periods.
Documents you will need
Prepare a complete application pack in advance to avoid delays. Schools in Bangkok typically ask for the student's passport and current visa, the parents' passports, recent school reports covering the last two years, any standardised test results, a copy of the birth certificate, passport-style photographs, and up-to-date immunisation records. Reference letters from a previous school and, for senior entry, official transcripts are often required. Documents not in English usually need a certified translation.
Entrance assessments and interviews
Assessment practice varies by age. Early years applicants may simply attend a play-based observation session, while primary and secondary candidates typically sit assessments in English and mathematics, and sometimes cognitive-ability tests. For entry into IB Diploma or A Level years, expect subject-specific evaluations and an interview to confirm the student can access the programme. These assessments are used to place children appropriately rather than simply to exclude, so approach them as a fit-finding exercise.
Language support for non-native English speakers
Many families relocating to Bangkok have children who are still developing their English. Most international schools offer English as an Additional Language support, ranging from in-class assistance to structured intensive programmes, often for an additional fee. When you enquire, ask how EAL support is delivered, how progress is measured, and whether there is a cap on the proportion of EAL learners per class. Strong language provision can make the difference in a smooth transition.
Featured schools listed on International School Advisor
The following Bangkok schools are active partner schools listed on ISA, each with verified profiles, reviews and fee information.
KIS International School Reignwood Park
KIS International School Reignwood Park is an IB World School offering the full continuum in a green, purpose-built campus. Its admissions team assesses applicants across age-appropriate criteria and welcomes families relocating mid-year where places allow.
Glory Singapore International School
Glory Singapore International School blends a Singapore-influenced approach with international standards, with a structured admissions process and language support for students new to English-medium learning.
Practical tips for a smooth application
Register your interest with more than one school to keep options open, and ask each about current availability in your child's exact year group. Keep digital copies of every document ready to upload. If you are moving on a work visa, coordinate the school start date with your relocation so paperwork aligns. Finally, visit in person if you can: a campus tour tells you far more about pastoral care and facilities than a brochure.
Explore Bangkok's top international schools
Compare verified rankings, reviews and admissions details for every campus in the city on the best international schools in Bangkok guide from International School Advisor.
Frequently asked questions
When should I apply to international schools in Bangkok?
Begin six to twelve months before your intended start date. Although many schools use rolling admissions, competitive year groups and the IB Diploma years can fill early, so applying ahead of the August or September intake gives you the widest choice.
What documents are required for admission?
You will typically need the student's passport and visa, parents' passports, the last two years of school reports, a birth certificate, photographs and immunisation records. Senior entry usually requires official transcripts, and non-English documents need certified translations.
Is there support for children who do not speak English?
Yes. Most Bangkok international schools provide English as an Additional Language support, from in-class help to intensive programmes, often for an extra fee. Ask each school how support is structured and how progress is tracked.