How much is annual tuition for a child aged 3–5 at St. Marks Australian International School?

285,650 THB per year (532,650 THB in the first year, including one-time fees).

How much is annual tuition for a child aged 17 at St. Marks Australian International School?

460,000 THB per year (577,000 THB in the first year, including one-time fees).

St. Marks Australian International School

Ages: 3–18Kindergarten–Sixth Form
Location: Suan Luang, Bangkok

Cost per year

From285,650 THBFollowing years

First year: 532,650 THB – 545,650 THB

Ages	First year	Following years
	532,650 THB – 545,650 THB	285,650 THB
	556,290 THB – 569,290 THB	309,290 THB
	627,210 THB – 640,210 THB	380,210 THB
	664,640 THB – 677,640 THB	417,640 THB
	534,640 THB – 547,640 THB	417,640 THB
	570,100 THB – 583,100 THB	453,100 THB
	577,000 THB – 590,000 THB	460,000 THB

First year includes one-time fees such as registration and deposit

Location

Suan Luang, Bangkok · Open in Google Maps

Official website Call Directions

Exam results

IGCSE average score (per the official website)93%
ATAR average score, 202594.3

Basic information

Founded in 1999 as Thailand's first Australian-curriculum school, St. Marks International now operates two campuses in Suan Luang district (Rama 9 and Srinakarin), teaching trilingually in English, Mandarin, and Thai with Cambridge IGCSE at lower secondary and AUSMAT/ATAR at senior secondary.

Curriculum	Australian, IGCSE
Language of instruction	English
Nationalities	18
Founded	1999
Accreditation	Cambridge International
Religious affiliation	Christian
Website	https://stmarks.ac.th

Nationality mix: 18 student nationalities, 13 teacher nationalities (per the official website)

Admissions

Intake	Applications open	Deadline	Status
Rolling	—	Rolling	Unknown — Rolling admissions year-round, subject to availability; many classes are already full and require joining the waiting list with a booking deposit; results are announced within 7 days after the director's review.

Admission assessment: Language proficiency test · Subject test · Placement test