HAND-CHECKED·SOURCE-VERIFIED EVERY TERM·REAL TUITION FEES·0 PAID PLACEMENTS
// HEAD-TO-HEAD · American vs British

ISE Sriracha
vs Rugby Thailand.

ISE’s 2026/27 standard tuition is ฿357,600–฿646,000; Rugby’s is ฿345,000–฿999,000, before full-year-payment discounts. ISE is an American AERO-to-IB day school with current enrolment unpublished; Rugby is a British A-Level through-school with boarding from Year 6.

// 01 · 18-point comparison

Side by side.

ISE tuition from ise.ac.th 2026/27 schedule (tuition only — lunch, bus, uniform, and IB exam fees separate). Rugby from its rendered school-published 2026/27 fee schedule. American and British year groups do not map one-to-one at every stage.

// In this guide → ISE editorial ↗ · Rugby Thailand editorial ↗ · Rugby vs Regents ↗ · Rugby vs Highgate ↗ · Rugby vs St Andrew's ↗ · ISE vs TPIS ↗ · IB Diploma hub ↗ · American schools hub ↗

ISE vs Rugby · standard published tuition before full-year-payment discounts (all-in rows include named mandatory charges) · fee years: ISE 2026/27; Rugby 2026/27 · checked 27 July 2026
Dimension ISE Sriracha Rugby Thailand
Address282 Moo 5, Bowin, Sriracha — inside Burapha Golf Club (~35 min east of central Pattaya)Bang Lamung — 80-acre purpose-built campus (~30 min from central Pattaya)
Age range3–18 (Pre-K → Grade 12 · full through-school)2–18 (Pre-Nursery → Year 13 A-Level · full through-school)
Founded1993 (WASC since 1999 · IBO IBDP since 2004)2017 (sister of Rugby School Warwickshire · est. 1567)
CurriculumAmerican — AERO + NGSSBritish — English National Curriculum
Sixth Form pathwayAmerican diploma OR IB Diploma (choice)A-Levels ONLY
NetworkIndependentRugby School Group (UK)
SettingInside Burapha Golf Club · Bowin, Sriracha80-acre purpose-built campus · Bang Lamung
Roll / scalecurrent enrolment not published · small by design · 8:1 ratioLarge roll · campus-scale school
BoardingDay school onlyFrom Year 6
AccreditationWASC (since 1999) · IBO (since 2004)Rugby School Group sister school
Early Years tuition฿357,600/yr (Pre-K2–K4)฿345,000/yr (Pre-Nursery, half-day)
Primary tuition฿514,200/yr (K–Grade 5)฿736,000/yr (Years 1–2)
Year 10 / Grade 10 tuition฿617,000/yr (Grades 9–10)฿988,000/yr (Years 10–11)
Sixth Form tuition฿646,000/yr (Grade 11–12, IB Diploma)฿999,000/yr (Year 12–13, A-Level)
One-time entry fees฿5,000 application · ฿90,000 enrolment · ฿50,000 refundable deposit฿5,500 application · ฿200,000 acceptance · ฿100,000 refundable student deposit
LanguagesEnglish · Thai · MandarinEnglish · Thai · Mandarin
Signature facility306-seat Fine Arts Centre theatreFour pools incl. 50m Olympic · Webb Ellis Centre
Transport฿70,000–฿93,700/year round trip by distanceTariff not published; request a written quote
Live editorialISE → read editorialRugby → read editorial
Published support-cost labelEAL only — ฿19,200–฿57,600/semester by assessed proficiency level; this is not a general learning-support tariff.Combined school label — “EAL & SfL Fees: English as an Additional Language and Support for Learning”; ฿5,500–฿70,000/term.

Fee comparison is symmetric in precision: both publish exact year-by-year tuition. ISE is lower at Sixth Form (฿646K tuition only vs Rugby ฿999K A-Level) — ฿353K/yr gap. One-time fees diverge sharply: Rugby ฿200K acceptance plus a ฿100K refundable student deposit vs ISE ฿90K enrolment plus a ฿50K refundable deposit. ISE tuition excludes lunch, bus, uniform, and IB exam fees. Rugby Y1 entry cash outlay ≈ ฿1,041,500 vs ISE Pre-K all-in lower at entry but still premium. Only Rugby offers boarding (from Year 6). The curriculum fork is wider than the fee fork — American AERO/NGSS + optional IB Diploma vs British A-Level only on an 80-acre sport-first campus.

// 02 · The decision framework

Five questions.
Five answers.

1. Which university system is your child heading for?

If the answer is the United States — AP-style credit, the Common App, the SAT on schedule — ISE is the region’s only American-curriculum school with a settled pathway through Grade 12, and it has run US and IB Diploma applications since 2004. Wells Chonburi teaches an American curriculum in the region too, but its own pages still disagree about its top grade, so it is not yet a like-for-like alternative for a Grade 11–12 family. If the answer is the UK and your child wants the A-Level route specifically, Rugby is built for it. Note that ISE's optional IB Diploma is itself accepted routinely by UK universities, so ISE is not off the table for a UK-bound family — but A-Levels are Rugby's.

2. Do you want A-Levels, or curriculum optionality at 16?

Rugby is A-Levels only at Sixth Form — the focused, specialise-into-three-subjects British route. ISE keeps the door open: a student can finish on the American high-school diploma or opt into the IB Diploma at Grade 11. If you want that choice deferred to age 16, ISE. If you want the committed A-Level path, Rugby.

3. Big school or small school?

This is the starkest difference. Rugby is a large, campus-scale institution — a deep peer pool, a full fixtures calendar, a big Sixth Form. ISE publishes a student-to-teacher ratio below 8:1 but not current grade or graduating-cohort sizes. Rugby if your child wants the energy and breadth of a large school; ISE if you want a school where every teacher knows every child by name — and you accept that a small cohort is a thin bench if peer dynamics go sideways.

4. How central is sport and facilities?

Rugby is built around the whole-person, sport-arts-academics model: an 80-acre site, four swimming pools including a 50-metre Olympic pool, and the Webb Ellis Centre. ISE is calmer by design — a 306-seat Fine Arts Centre theatre, golf-course grounds, shared club pool and courts, and no attempt to be a sport monolith. If facilities and team sport are central to your child's life, Rugby. If a quieter environment is the point, ISE.

5. Boarding need, and budget

Only Rugby boards — from Year 6. ISE is day-only, so a family that needs boarding has no decision to make here. On price, ISE is roughly ฿353,000 a year cheaper at Sixth Form (฿646K vs ฿999K), and its one-time entry cost is far lower — a ฿90,000 enrolment fee plus a refundable ฿50,000 deposit, against Rugby's ฿200,000 acceptance fee plus refundable ฿100,000 student deposit. Over a full school career the gap runs well into seven figures. For a day family where budget is the swing factor, ISE.

Summary verdict

  • Choose ISE Sriracha if: your child is American-system-bound or wants IB-Diploma optionality at 16, you want a small school where your child is genuinely known, you don't need boarding, and a lower all-in cost matters.
  • Choose Rugby Thailand if: you want the British A-Level pathway, your child thrives in a large school with deep sport and facilities, you need boarding from Year 6, and the budget comfortably absorbs the premium.
// 03 · Build comparable offers

Standard tuition first,
then the real total.

Both schools publish 2026/27 fees, so begin with standard tuition for the child’s exact stage. ISE runs ฿357,600–฿646,000; Rugby runs ฿345,000–฿999,000. The lowest Rugby figure is a half-day early-years option and does not show the cost of later primary or secondary education. The highest figures describe different qualification systems—ISE’s Grade 11–12 American/IB route and Rugby’s Year 12–13 A-Level route. Compare the child’s actual entry class before using either endpoint.

Keep annual-payment discounts separate. Each school publishes conditions for paying early, and those savings change cash timing as well as price. Write standard tuition on the first line, the discount on the next, and the qualifying date and refund rule beside it. A family unable to pay the full year before the deadline should not use the discounted figure as its working budget.

ISE’s tuition excludes lunch, bus, uniform and IB examination fees. Add its application, non-refundable enrolment, refundable security deposit and any assessed EAL cost. Rugby’s tuition includes textbooks, lunches and snacks, an annual residential trip and standard external examination entry, but families still need to add application, acceptance, refundable student deposit, activities outside the included programme, transport, uniform, music and any EAL or Support for Learning charge. For a boarder, add the chosen boarding pattern and boarding deposit.

// 04 · Qualification route

Ask for subjects,
not only credentials.

ISE’s American route can lead to its high-school diploma or the IB Diploma. Rugby’s British route leads through IGCSE to A-Level. Ask each school for the current subject list, entry prerequisites, timetable constraints, counselling sequence, examination arrangements and recent cohort context. The child needs an available combination that supports their intended university direction; a famous qualification name does not guarantee every subject will run.

For a pupil joining in secondary, ask how prior study maps to the new route. An American-grade transcript, an IGCSE sequence and IB preparation organise content differently. Admissions should identify any bridging work, courses that cannot be joined mid-cycle and the latest sensible entry point. Rugby does not normally admit into the second year of a two-year examination course, while ISE families should confirm the preparation required for its IB option.

// 05 · Boarding and scale

Test the life around
the timetable.

Rugby publishes boarding from age ten with part, weekly and full patterns; ISE is day-only. Request Rugby’s current boarding handbook, included nights, weekend and holiday routine, prep supervision, medical care, guardianship, device rules, excursions and extra charges. Visit the relevant house during an ordinary week and meet the adult responsible for the child’s age group. A boarding tariff describes accommodation and services, not whether the residential routine suits this pupil.

For a day pupil, compare school scale directly. Rugby publishes a large campus, extensive facilities and a broad activity programme. ISE publishes a student-to-teacher ratio below 8:1 but not current class or graduating-cohort sizes. Ask both schools for the proposed class size, senior subject cohort, activity participation and how a new pupil is integrated. A small ratio and a large campus are starting points, not conclusions about daily attention or peer fit.

// 06 · Commute and non-fit

Make the weekly routine
part of the decision.

Run both routes from the real home address during school traffic and request exact bus quotes, pickup windows, ride duration and late-activity returns. ISE’s Bowin position may suit Sriracha, Laem Chabang and industrial-corridor families; Rugby’s Bang Lamung location creates a different catchment. Put weekly travel hours beside tuition and boarding nights so the family can see the routine it is buying.

ISE is not for a family requiring boarding or a committed A-Level route. Rugby is not for a family seeking an American transcript, an IB Diploma option or a deliberately small day-school environment. Neither should be chosen from facilities or tuition alone. The defensible offer names the class, complete cost, usable qualification subjects, support, transport and residential or day routine for this child.

// FAQ

Quick answers
before you decide.

Which is better — ISE or Rugby?

Neither in the abstract — they are opposite products. ISE is current enrolment not published, American AERO + optional IB Diploma, day-only, inside Burapha Golf Club. Rugby is a large British A-Level campus with boarding from Year 6 on 80 acres.

What is the fee difference at Sixth Form?

ISE G11–12: ฿646,000/yr tuition only. Rugby Y12–13: ฿999,000/yr — ฿353,000/yr more. Rugby's ฿200,000 acceptance plus ฿100,000 refundable deposit vs ISE's ฿90,000 enrolment plus ฿50,000 refundable deposit.

Does ISE offer A-Levels?

No. ISE runs American AERO/NGSS with IB Diploma optional at G11–12. Rugby is A-Level only at Sixth Form.

Which offers boarding?

Rugby only — from Year 6. ISE is day-only.

Big school or small school?

Rugby is campus-scale with deep sport facilities and a large peer pool. ISE is deliberately small (a published student-to-teacher ratio below 8:1, with current enrolment not published) — every teacher knows every child.

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