How much is annual tuition for a child aged 2–3 at Wells International School (On Nut Campus)?

289,000 THB per year (359,600 THB in the first year, including one-time fees).

How much is annual tuition for a child aged 17–18 at Wells International School (On Nut Campus)?

600,000 THB per year (780,300 THB in the first year, including one-time fees).

Wells International School (On Nut Campus)

Phra Khanong, Bangkok · Ages 2–18 (Nursery–Sixth Form)

Wells International School's On Nut campus has taught an American curriculum alongside IB and AP since 2006, with an average class size of 16 among its roughly 520 students, about 38% of whom are Thai and the rest drawn from more than 20 other nationalities.

Official website Call Directions

Cost per year

289,000 THBFollowing years

First year: 359,600 THB

Ages	First year	Following years
	359,600 THB	289,000 THB
	384,600 THB	314,000 THB
	391,600 THB	321,000 THB
	584,900 THB – 585,350 THB	334,000 THB
	602,300 THB – 602,750 THB	422,000 THB
	640,300 THB – 640,750 THB	460,000 THB
	676,300 THB – 676,750 THB	496,000 THB
	704,300 THB – 704,750 THB	524,000 THB
	750,300 THB – 750,750 THB	570,000 THB
	780,300 THB – 780,750 THB	600,000 THB

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

Additional fees that may apply

These are not included in the figures above. They are charged only in certain cases — not to every family — so read the note on each line to see when it applies.

K1-K2 (ESL Fee/Learning Support, per Semester) · Ages 3–528,000–29,000 THB per term
If required: K1 = 28,000, K2 = 29,000 baht/term.
K3 (ESL Fee/Learning Support, per Semester) · Ages 5–645,000 THB per term
Grades 1-6 (ESL Fee/Learning Support, per Semester) · Ages 6–1255,000–75,000 THB per term
Grades 1-2 = 55,000, Grades 3-4 = 55,000, per the original table listing 1-2 and 3-4 = 55,000 / 5-6 = 75,000; recorded as a range because this group spans multiple grade levels
Grades 7-10 (ESL Fee/Learning Support, per Semester) · Ages 12–1680,000 THB per term
Grades 7-8 and 9-10 = 80,000 baht/term, the same for both; Grades 11-12 have no ESL fee ('-')
Nursery-Grade 12 (per Semester, Round-trip) · Ages 2–1826,000–37,500 THB per term
Divided by zone A-D; round trip Zone A=26,000, B=30,000, C=33,500, D=37,500 baht/term (one-way is cheaper)

Location

Phra Khanong, Bangkok · Open in Google Maps

Basic information

Curriculum	American, AP, IB
Language of instruction	English
Class size	16 (max 25)
Founded	2006
Accreditation	EARCOS, IB World School, ISAT, WASC
Student count	520
Website	https://wells.ac.th

Admissions

Intake	Applications open	Deadline	Status
Rolling	—	Rolling	Unknown — Admits year-round ('enquiries throughout the year'); steps: submit application -> testing (Grade 1-2: basic paper test; Grade 3-12: DORA reading + ALEKS math + writing + interview) -> submit documents -> pay fees -> register.