This campus is in Saraburi province, not Ayutthaya. Ayutthaya has no international school of its own — we tried to disprove that and could not. It appears on BAANLYY’s Ayutthaya guide because it is one of the four international schools within practical reach to the east, a direction every other guide to Ayutthaya schooling omits entirely in favour of sending families south to Bangkok.
A Seventh-day Adventist K-12 school on the Asia-Pacific International University campus at Muak Lek, WASC and ONESQA accredited and additionally accredited within the Adventist system. The furthest of the four Saraburi schools from Ayutthaya and realistically a boarding rather than commuting option, but the one with the most transparently published religious character and the deepest accreditation stack after SJMIS.
Also known as: AIMS.
Which direction it is from Ayutthaya
Ayutthaya’s defining schooling problem is not distance, it is direction. Guides written from Bangkok outwards assume the only road out is south. It is not.
EAST and well north-east, at Muak Lek -- the furthest of the four Saraburi schools from Ayutthaya and up towards the Khao Yai side. This is a boarding decision for an Ayutthaya family, not a daily drive.
Where this school stops
Grade 12, around age 18.
What a leaver actually holds
The curriculum label and the leaving qualification are different things. For a family that may move country again, this line is the decision — and a blank cell is itself a finding.
An American high school programme to Grade 12. Confirm the precise diploma and any external validation directly with the school.
Where the campus actually is
Muak Lek district, on the Asia-Pacific International University campus. Substantially further out than SJMIS or CPIS.
Ayutthaya area guides families use for this school run: Wang Noi & the Industrial Corridor
The curriculum pathway, stage by stage
- Preschool and kindergarten.
- Elementary.
- Secondary to Grade 12.
- Operates as the laboratory school for the Education Department of Asia-Pacific International University, which shares the site under a separate administration.
Accreditations, authorisations & affiliations
Three different claims, routinely collapsed into one. A whole-school accreditation (WASC, CIS, NEASC, Cognia) assesses the school itself. An examination-board authorisation (College Board, Cambridge, IB) means it may enter pupils for those exams. A membership or affiliation is neither. And “none named” is a fourth state, distinct from “not accredited”.
- ACCREDITED: Western Association of Schools and Colleges (WASC).
- ASSESSED: ONESQA, the Thai national quality assessment body.
- ACCREDITED (denominational): the Accrediting Association of Seventh-day Adventist Schools, Colleges and Universities (AAA).
Religious character
Explicit and published, which is the honest position. AIMS is a Seventh-day Adventist parochial school registered under the Seventh-day Adventist Foundation and operating under the Southeast Asia Union Mission. It states that it welcomes applicants of all religious beliefs who are willing to work within the conservative social framework of the school. That last clause is the operative one for a non-Adventist family and should be read literally, not as boilerplate.
Boarding
For an Ayutthaya family this is not a lifestyle question, it is the question. Without boarding or a van route, a Saraburi school is a daily drive across a provincial boundary.
Reported as available by the independent censuses, consistent with a school on a university campus drawing from across the region. Confirm the arrangement and supervision directly.
Who it suits
Adventist families, and non-Adventist families who have read the social framework clause and are comfortable with it. The university setting gives it facilities and a staff base that a stand-alone provincial school of 325 pupils would not otherwise have.
What we could not verify — and where sources disagree
We publish these openly rather than smoothing them over. A school guide that hides its uncertainty is not much use to a family making a decision this big.
- NAME COLLISION, and a live one: the school formerly called Adventist International Mission School KORAT has been renamed Korat Adventist International School (KAIS) and is a different school in a different province. Search results and older directory entries mix the two. Check the province before you telephone.
- Searches for the school's domain surface staging and development subdomains alongside the live site. Make sure you are reading the production site before relying on a page.
- Reported enrolment of around 325 at the Muak Lek campus comes from third-party records rather than the school.
- It is a laboratory school for the university's Education Department. As with any laboratory school, ask directly how much of your child's teaching is delivered by trainees under supervision.
Ask every school in the Ayutthaya catchment this
- Before you accept a Bangkok commute, price the eastern option. Saraburi has four international schools at a broadly comparable radius from Ayutthaya, three of which board, at published fees in the low hundreds of thousands rather than Bangkok's four hundred thousand to over a million. Every guide sends you south; check east before you sign a lease.
- Ask Saint John Mary for the current school van route list, in writing. Whether a route reaches the Wang Noi or Bang Pa-in side of Ayutthaya is the single fact that decides whether the strongest international school within reach is a day school or a boarding school for you.
- When a school says boarding, ask whether it means a dormitory on campus or a homestay placement with a partner family. They are different products with different supervision, and directories record both as "boarding: yes".
- Ask what qualification a leaver actually holds, and who awards it. Three of the four Saraburi schools run American programmes and only one of them also hosts the College Board, SAT and TOEFL testing on site. One names no leaving qualification at all.
- Ask whether the final years are taught on campus or partly online. One of the four is built around blended learning by design and says so; that is a feature for some families and a deal-breaker for others.
- For any Thai school's English Program, ask how many periods a week are genuinely delivered in English, and what a non-Thai-speaking child faces at admission. Cost is not access: Thai EP and state-school entry usually runs through an examination sat in Thai on a fixed national timetable.
- Before shortlisting any school you found in an English-language listicle, apply the four-part existence test: does it have its own domain, a findable street address, a phone that answers, and does its own homepage carry any closure or rebranding notice? The most syndicated page on Ayutthaya schooling currently recommends a school that does not exist.
BAANLYY does not rank, endorse or accept payment from schools. Facts on this page are compiled from Adventist International Mission School's own published material and independent cross-checks, and we deliberately publish no per-school fee figures — they change annually and a stale number is worse than none. Always confirm current admissions, fees, year groups, accreditation status and campus details directly with the school. Visit the official Adventist International Mission School page →
Sources & References
Primary and official sources are cited above. Government rules, fees and procedures in Thailand change over time and vary by office; always confirm current requirements with the relevant authority before relying on them. BAANLYY never takes paid placement in editorial content.
Find a home for this school run
Ayutthaya families who choose an eastern school live on the highway-facing side of the province. Settle the school first, then match an area.
