If your child is American-curriculum-bound — AP credit transfers, US college applications via the Common App, the SAT and PSAT taken on schedule — ISE is the only serious option in the Pattaya / Eastern Seaboard region in 2026. The American School of Bangkok–Green Valley Campus (often confused with this region because of its "Green Valley" name) is in Bangplee, Samutprakarn — Bangkok metro, ~90–120 minutes from Pattaya. We dropped it from this directory in our May 2026 audit. For a family that won't take their child out of the Eastern Seaboard for school, ISE is the American-curriculum decision. It opened in August 1993, was WASC-accredited in 2000, and has run the IB Diploma Programme continuously since 2003 — meaning it was the first school on the Eastern Seaboard to offer the IBDP, full stop.
The pitch in one line: American academic structure, IB Diploma optionality at age 16, and a school small enough that every teacher knows every student by name. Whether the smallness is the feature or the friction depends entirely on what kind of childhood you want your child to have.
This is the unusual one. ISE doesn't sit on a purpose-built international-school campus the way Rugby or Regents do. It sits inside the Burapha Golf Club — a gated golf-and-resort community in Tambon Bowin, about 30 km north of Pattaya and 50 km south of Bangkok's eastern fringes. The school occupies a defined section of the property; the swimming pool and tennis courts used by the school sit at the Burapha Golf Club House and are shared with the club. The Elementary side is in a four-building cluster (library, computer lab, music rooms, two science labs, 19 classrooms). The High School is a single three-floor building (library, media centre, three science labs, two computer labs, an art room, 12 classrooms). There's a Fine Arts Centre with a 306-seat theatre, music classrooms, dance studios, and exhibition space.
What this means practically: the school feels bigger than 150 students because the facility footprint is generous, the grounds around it are golf-course landscaping, and the security perimeter is the gated community's, not the school's. What it doesn't have is the 80-acre, four-pool, two-pitch sport monolith that Rugby is built around. If your child's life centres on team sport, this is a calmer environment than the British premium schools deliver, and that's a deliberate trade-off.
The day-to-day curriculum is American: AERO (American Education Reaches Out) standards for English Language Arts, Social Studies, and Math, and NGSS (Next Generation Science Standards) for Science. AERO is the State Department's framework for American international schools — it maps cleanly onto US state standards while being designed for an international student body. NGSS is the science standard most US public-school systems have moved to since 2013.
The differentiator is what happens in Grades 11–12. ISE runs a parallel pathway: students can finish on the American high-school diploma (graduate at G12, transcript + GPA + SAT/AP scores for US applications) or opt into the IB Diploma Programme and graduate with the IBDP — typically the stronger application for UK, European, and Australian universities. This dual American-and-IBDP track is the only one of its kind in the Pattaya/Eastern Seaboard region. Rugby is A-Level only. Regents is A-Level + IBDP but no American track. Garden is IBDP-led. The IBDP track at ISE has been running since 2003 — 23 years of cohorts and university-counselling experience built into the school. The school's own claim is that 100% of graduating seniors attend university and that alumni have placed at top US universities including Harvard, Yale, and Stanford. That's the school's own claim — we haven't independently audited graduate destination data.
One thing American international schools tend to do better than British ones is treat standardised testing as part of the regular calendar rather than an exam-week panic. ISE runs MAP testing (Measures of Academic Progress, the NWEA assessment used by most large US public-school systems) at multiple checkpoints across primary and middle school to track each student's progress against US norms. The PSAT is administered to high schoolers as the standard practice run for the SAT. The SAT itself is sat by college-bound seniors. TOEFL is sat by IBDP students who'll need to evidence English proficiency for US/UK universities. None of these are unusual at an American school — what's notable is that they're scheduled into the academic year rather than treated as extras.
150 students across Pre-K through G12 means each year group is small. The school publishes an 8:1 student-to-teacher ratio. Pros: every child is known, the homeroom teacher actually has the bandwidth to flag academic or pastoral issues early, and the smaller cohort tends to mean less of the social-clique churn that bigger schools normalise. Cons: a small graduating class means a small Sixth Form. If your child is the only G11 student in the school taking IB History HL in a given year, the class might be them and three peers. That's intimate teaching — and it's also a thin bench if peer dynamics go sideways. Pricing the smallness into the decision matters more here than at any other school in the directory.
Pattaya parents searching for "American school near Pattaya" almost always end up reading about The American School of Bangkok — Green Valley Campus (ASB-GV) and assuming it's a Banchang/Rayong option because of the "Green Valley" name. It isn't. ASB-GV is at 900 Moo 3 Bangna-Trad Road Km. 15, Bangplee, Samutprakarn — Bangkok metro area, ~30 minutes from Bangkok and ~90–120 minutes from Pattaya. The "Green Valley" in ASB-GV's name refers to a residential community in Bangplee. The "Green Valley" in St Andrew's GV's name refers to the Green Valley golf-course area in Banchang, Rayong. Two different places, one editorial-grade name collision. We initially listed ASB-GV in this directory and dropped it in our May 2026 audit. For a Pattaya-region family that won't commute their child to Bangkok daily, ISE is the American option. If your work or boarding plans put Bangkok in reach, ASB-GV is a separate evaluation worth doing on its own terms — but not as a head-to-head with ISE.
ISE is roughly ฿250K–฿350K/year cheaper at the top end than Rugby School Thailand or Regents Pattaya. It's also a fundamentally different educational product — American curriculum, smaller cohort, lighter sport-facility emphasis. If your child is heading to a US university, ISE's track record (23 years of US/IBDP applications) is more directly relevant than a British school's UCAS-orientation. If your child is heading to a UK university, the IBDP at ISE still works (UK universities accept IBDP routinely), but a UK-curriculum school like Rugby or Regents may be a more direct match. Curriculum should drive the decision, not price alone.
Sourced from ISE's own 2025/26 tuition page and cross-checked against the international-schools-database 2025/26 record. First-year families pay tuition + ฿5K application + ฿45K enrollment + ฿40K refundable security deposit. Numbers below are headline annual tuition only — see the notes underneath.
| Grade band | Age | Annual tuition |
|---|---|---|
| Early Childhood | ||
| Pre-K2, K3, K4 | 3–5 | ฿357,600 |
| Elementary | ||
| Kindergarten – Grade 5 | 5–11 | ฿514,200 |
| Middle School | ||
| Grade 6 – Grade 8 | 11–14 | ฿600,500 |
| High School | ||
| Grade 9 – Grade 10 | 14–16 | ฿617,000 |
| Grade 11 – Grade 12 (IB Diploma) | 16–18 | ฿646,000 |
| One-time + recurring (any grade) | ||
| Application fee (one-time, non-refundable) | — | ฿5,000 |
| Enrollment fee (one-time, non-refundable) | — | ฿45,000 |
| Security deposit (refundable on 3-month notice withdrawal) | — | ฿40,000 |
| First-year total · typical G9 day student (full year, no discount) | 14 | ~ ฿707,000 |
| First-year total · typical G11 IBDP day student (full year, no discount) | 16 | ~ ฿736,000 |
Fees are billed by semester (Semester 1: ~55%, Semester 2: ~45%). Full-year tuition paid up-front gets a 5% discount. Sibling discount: enrollment fee waived for the 3rd child; 4th child and beyond gets enrollment waived plus a 10% tuition discount. Not included in the table: uniform, school lunch, optional bus, IBDP exam fees in G12, residential trips, after-school activities. Real first-year all-in is typically ฿30K–฿80K above the tuition + one-time figures shown depending on grade and add-ons. Verify the current term's bus and activity fees directly with admissions — those rates change annually.
If you grew up with the US K–12 system and you want your child inside that culture — MAP testing, PSAT in Grade 11, the option of either an American diploma or the IB Diploma at age 16, university counselling oriented toward the Common App — this is the most direct version of that on the Eastern Seaboard. The right family wants a small school where their child is known by name, is comfortable with a graduating class that might be 12–20 students, and values curriculum optionality (American or IBDP) at G11. The right family also has a US-curriculum reason — returning to America for university, transferring credits to a US system, or a parent's job placement that runs on US academic timelines. Budget-comfortable at ~฿600K–฿700K/yr per child once one-time fees are amortised.
14 schools verified (EFIP added May 2026). Eleven full editorials published (Rugby, Regents, St Andrew's GV, Garden Rayong, Highgate, ISE, TPIS, MIS, BPIS, EFIP, BJP). Three more coming through Q3 2026. Maintained, not abandoned.