QSI International School of Phuket
Kathu
A small nonprofit American-style school in Kathu, founded in 2000 as part of the Quality Schools International group and accredited by the Middle States Association. About 130 pupils from 25 countries learn by mastery learning from a two-year-old class to Secondary IV, finishing with a QSI diploma and Advanced Placement courses. Tuition in 2026-27 is 507,000 THB a year from the five-year-old class.
At a glance
- Lessons inEnglish
- Ages2–18Classes by age on 1 November: 2-, 3- and 4-year-old preschool classes (full or half day), 5- to 13-year-old classes, then Secondary I–IV (US Pre-K to Grade 12)
- CurriculumQSI American college-preparatory curriculum, taught by mastery learning · Advanced Placement: four courses on site, more online through the Quality Virtual SchoolExams: QSI Academic Diploma with Honors, Academic Diploma and General Diploma, Advanced Placement examinations, SAT, taken on campus in its digital form.
- Finishes withA QSI diploma at the end of Secondary IV (US Grade 12): the Academic Diploma with Honors, the Academic Diploma or the General Diploma; Advanced Placement exams can be taken alongside.
- Fees per year฿155,000 – ฿507,000/ yearPer year, 2026-27; the range runs from the youngest to the oldest year group.
- WhereKathuKathu, Phuket
- StatusOpenInternational school
Facts checked 3 October 2026 on phuket.qsi.org (opens in a new window) and the OPEC register (opens in a new window).
130 pupils, preschool to Secondary IV (2025-26 school profile; the OPEC register gives 116) · 25 nationalities
The campus
- Preschool and elementary areas, a computer lab, a science room, a secondary area with a library, two football pitches, a playground and a basketball court
QSI International School of Phuket and the homes around it
- QSI International School of Phuket
- 0 homes for rent within 1.5 km, priced per month
- Bus stops: not published by the school
Apartments and villas, the catalog
Homes for rent near QSI International School of Phuket
No home for rent within 1.5 km of the school yet; the catalog's map shows homes farther away.
2026-27
Money
Tuition, 2026-27
| Year group | Amount | Per |
|---|---|---|
| 2-, 3- and 4-year-old class, full day | ฿222,000 | per year |
| 2-, 3- and 4-year-old class, half day | ฿155,000 | per year |
| 5-year-old class to Secondary IV | ฿507,000 | per year |
tuition only; paid in three terms (21 August, 11 December, 26 March)
Paid once
| Item | Amount | Per |
|---|---|---|
| Registration fee, every new pupil | ฿20,000 | once |
| Mid-year enrolment fee, joining after 1 October | ฿30,000 | once |
Extras
| Item | Amount | Per |
|---|---|---|
| Capital fund, Secondary I–IVpaid in full or by term | ฿54,000 | per year |
| School bus, two trips a dayby term: 40,000 (Aug–Dec) + 30,000 (Jan–Mar) + 25,000 (Apr–Jun); one trip a day 26,000 + 19,500 + 16,250 = 61,750; paid by term, not refunded | ฿95,000 | per year |
Fees from resources.finalsite.net (opens in a new window), checked 3 October 2026.
Lessons from 07:55; a school bus; pupils bring a morning snack and lunch (microwaves to heat it); a school lunch can be bought at school.
The school day
- Hoursfrom 07:55the day opens with a greeting ceremony at 7:55; pupils arriving after 8:00 are marked late. The end of the day is not stated
- School busSchool bus on four routes (Chaofa–Chalong–Rawai–Nai Harn; Ko Kaeo–Thalang–Cherng Talay–Laguna–Bang Tao–Pa Sak; Kamala–Surin–Kata–Karon; Patong–Kathu), 5 to 11 pupils a bus, seat belts worn
- MealsPupils bring a morning snack and lunch (microwaves to heat it); a school lunch can be bought at school
- After schoolSoccer, basketball, cooking, scuba diving, cross-country and Model United Nations (2025-26)
Support
- English support. Intensive English from preschool to the 13-year-old class, in class with an assistant or in pull-out reading and writing lessons; no English is required to enter up to that class.
- Learning support. Mild to moderate learning needs, with on-site learning support teachers and regional coordinators; moderate to severe needs reviewed case by case.
Not offered
Boarding
Licence and accreditation
- Licence
OPEC 1183700002 (opens in a new window) — in-system, international (ในระบบประเภทนานาชาติ)
Levels: pre-kindergarten – upper secondary; 116 pupils on the register, seen 30 September 2026.
- Accreditation
International Schools Association of Thailand (ISAT) (opens in a new window)
membership
Contacts
- Phone
- Official pages
Also worth knowing
- Thai name
โรงเรียนนานาชาติ คิว.เอส.ไอ. ภูเก็ต
- History
Founded in 2000; a member of Quality Schools International, a nonprofit group of 34 schools in 28 countries
Written in our own words on 3 October 2026; no names, photographs or biographies of staff are recorded.
14 questions, answered from the school's pages