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TSI International School

Wongwianyai, Bangkok, ThailandLicensed
  • UK EYFS
  • British
  • IGCSE
  • A Level
  • +1

Per yearabout USD 7.15K–9.84K

THB 240K–330K · 2026-27 school year · Source: school website (checked 2026-11-01)

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Image from the school website · tsi.ac.th

About

British curriculum international school in Bangkok, Thailand, for ages 2 to 18 across two campuses: Bearing and Wongwianyai.

Key facts

Source: Read from the school's website

School website

Info checked 2026-11-06 · Fees 2026-27

  • Curriculum

    UK EYFS · British · IGCSE

  • Ages

    Ages 2–18

  • Language

    English

  • Type

    International school

  • Fee level

Grades
Year 7 – Year 13
Nationalities
30
Founded
1985
Entry process
Eal test
Accreditations
CIS

Fees

Source: Read from the school's website

2026-27 school year

Age on the first day of the school year (usually 1 September). Cut-off dates differ by school.

GradePer year
‘Little Lions’ · New Fee structureTHB 240,000≈ USD 7.15K
Nursery · New Fee structureTHB 260,000≈ USD 7.75K
Reception · New Fee structureTHB 305,000≈ USD 9.09K
Year 1 · New Fee structureTHB 330,000≈ USD 9.84K
Year 2 · New Fee structureTHB 330,000≈ USD 9.84K
Year 3 · New Fee structureTHB 330,000≈ USD 9.84K
Year 4 · New Fee structureTHB 330,000≈ USD 9.84K
Year 5 · New Fee structureTHB 330,000≈ USD 9.84K
Year 6 · New Fee structureTHB 330,000≈ USD 9.84K
Year 7 · New Fee structureTHB 330,000≈ USD 9.84K
Year 8 · New Fee structureTHB 330,000≈ USD 9.84K
‘Little Lions’ · Old Fee structureTHB 240,000≈ USD 7.15K
Nursery · Old Fee structureTHB 260,000≈ USD 7.75K
Reception · Old Fee structureTHB 270,000≈ USD 8.05K
Year 1 · Old Fee structureTHB 270,000≈ USD 8.05K
Year 2 · Old Fee structureTHB 270,000≈ USD 8.05K
Year 3 · Old Fee structureTHB 276,000≈ USD 8.23K
Year 4 · Old Fee structureTHB 276,000≈ USD 8.23K
Year 5 · Old Fee structureTHB 288,000≈ USD 8.58K
Year 6 · Old Fee structureTHB 288,000≈ USD 8.58K
Year 7 · Old Fee structureTHB 293,000≈ USD 8.73K
Year 8 · Old Fee structureTHB 293,000≈ USD 8.73K
Year 9 · Old Fee structureTHB 293,000≈ USD 8.73K
Year 10 · Old Fee structureTHB 301,000≈ USD 8.97K
Year 11 · Old Fee structureTHB 301,000≈ USD 8.97K
Year 12 · Old Fee structureTHB 301,000≈ USD 8.97K
Year 13 · Old Fee structureTHB 301,000≈ USD 8.97K
Annual tuition by grade
In the school's currency; the reference conversion is in brackets. · 2026-27
TSI International School · Annual tuition by grade
per year
‘Little Lions’ · New Fee structureTHB 240,000 (about USD 7.15K)
Nursery · New Fee structureTHB 260,000 (about USD 7.75K)
Reception · New Fee structureTHB 305,000 (about USD 9.09K)
Year 1 · New Fee structureTHB 330,000 (about USD 9.84K)
Year 2 · New Fee structureTHB 330,000 (about USD 9.84K)
Year 3 · New Fee structureTHB 330,000 (about USD 9.84K)
Year 4 · New Fee structureTHB 330,000 (about USD 9.84K)
Year 5 · New Fee structureTHB 330,000 (about USD 9.84K)
Year 6 · New Fee structureTHB 330,000 (about USD 9.84K)
Year 7 · New Fee structureTHB 330,000 (about USD 9.84K)
Year 8 · New Fee structureTHB 330,000 (about USD 9.84K)
‘Little Lions’ · Old Fee structureTHB 240,000 (about USD 7.15K)
Nursery · Old Fee structureTHB 260,000 (about USD 7.75K)
Reception · Old Fee structureTHB 270,000 (about USD 8.05K)
Year 1 · Old Fee structureTHB 270,000 (about USD 8.05K)
Year 2 · Old Fee structureTHB 270,000 (about USD 8.05K)
Year 3 · Old Fee structureTHB 276,000 (about USD 8.23K)
Year 4 · Old Fee structureTHB 276,000 (about USD 8.23K)
Year 5 · Old Fee structureTHB 288,000 (about USD 8.58K)
Year 6 · Old Fee structureTHB 288,000 (about USD 8.58K)
Year 7 · Old Fee structureTHB 293,000 (about USD 8.73K)
Year 8 · Old Fee structureTHB 293,000 (about USD 8.73K)
Year 9 · Old Fee structureTHB 293,000 (about USD 8.73K)
Year 10 · Old Fee structureTHB 301,000 (about USD 8.97K)
Year 11 · Old Fee structureTHB 301,000 (about USD 8.97K)
Year 12 · Old Fee structureTHB 301,000 (about USD 8.97K)
Year 13 · Old Fee structureTHB 301,000 (about USD 8.97K)

Source: school website (tsi.ac.th) · checked 2026-11-01 · ECB reference rate (2026-11-06)

Fee range vs schools in the same city
Lowest to highest annual tuition across grades.
TSI International School · Fee range vs schools in the same city
minmax
TSI International School (this school)THB 240,000 (about USD 7.15K)THB 330,000 (about USD 9.84K)
NIST International SchoolTHB 650,200 (about USD 19.4K)THB 1,132,800 (about USD 33.8K)
Bangkok Patana SchoolTHB 515,000 (about USD 15.4K)THB 1,014,000 (about USD 30.2K)
KIS International School BangkokTHB 459,800 (about USD 13.7K)THB 984,700 (about USD 29.4K)
Harrow International School BangkokTHB 634,600 (about USD 18.9K)THB 1,063,000 (about USD 31.7K)
Wellington College International School BangkokTHB 639,250 (about USD 19.1K)THB 1,283,500 (about USD 38.3K)

Source: school website (tsi.ac.th) · checked 2026-11-01 · ECB reference rate (2026-11-06)

One-off costs

Deposit
THB 50,000

As published by the school. Amounts change with the school year and exchange rates; please confirm with the school before applying. Converted amounts use the reference rate of the date shown. ECB reference rate (2026-11-06). Source: school website (checked 2026-11-01)

Curriculum and academics

Source: Read from the school's website

Curricula, explained

  • EYFS

    Early years · Ages 2–5

    The early-years stage of British schools: play-based learning of language, social skills and early reading and number.

  • British curriculum

    Early years to sixth form · Ages 3–18

    Follows the English National Curriculum; pupils usually take IGCSEs around age 16 and A Levels in the last two years.

  • IGCSE

    Ages 14–16, 2 years · Ages 14–16

    A subject-by-subject qualification taken around age 16 in British-style schools — usually 5–10 subjects studied over two years.

  • A Level

    Last 2 years of school · Ages 16–18

    The British university-entrance qualification: usually 3–4 subjects studied in depth for two years; UK universities make offers on these grades.

Ages are the usual bands; schools can differ.Curriculum basics guide

Strengths

  • Academics
  • Languages
  • Sport
  • STEM

Student support

Source: Read from the school's website

English support (EAL)
Yes
Mother-tongue programmes
Thai
School bus
Yes

Campus and school life

Source: Read from the school's website

Sports

  • PE lessons
  • Lions Sports Academy
  • Sports facilities at Bearing campus

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Licence

Listed in the Office of the Private Education Commission (OPEC) register of international schools in Thailand (checked 2026-10-29).

The essentials

Source: Read from the school's website

  • Country affiliation

    A British curriculum international school in Bangkok that also teaches Thai language and culture.

    School website · Checked 2026-11-06

  • Bus service

    The Wongwianyai campus runs a school van service covering many areas of Bangkok.

    School website · Checked 2026-11-06

Diving deeper

Source: Read from the school's website

  • Food options

    Both campuses have a canteen or cafeteria.

    School website · Checked 2026-11-06

Academics

Source: Read from the school's website

  • Curriculum

    Offers the English National Curriculum in stages from Early Years through Key Stage 5.

    • Early Years
    • Key Stage 1
    • Key Stage 2
    • Key Stage 3
    • IGCSE
    • A-Level
    • TSI Diploma

    School website · Checked 2026-11-06

  • Academic calendar
    Open link

    School website · Checked 2026-11-06

Wellbeing

Source: Read from the school's website

  • English as an additional language (EAL)

    EAL support is given in class, with small-group sessions and targeted withdrawal support.

    • Small-group EAL sessions
    • Short-term withdrawal support
    • Individualised language targets
    • Academic vocabulary support

    School website · Checked 2026-11-06

Parent experience

Source: Read from the school's website

  • History

    Established in 1985 and has operated for over 40 years.

    School website · Checked 2026-11-06

  • Community

    Emphasises a close-knit, family-oriented community with over 30 nationalities.

    School website · Checked 2026-11-06

Facilities

Source: Read from the school's website

  • Facilities overview

    Bearing campus sits on over 30 rai (12 acres); Wongwianyai is a renovated primary campus.

    School website · Checked 2026-11-06

  • Sports facilities

    Bearing campus has sports facilities for PE lessons and the Lions Sports Academy.

    • Lions Sports Academy

    School website · Checked 2026-11-06

Extra-curricular activities

Source: Read from the school's website

  • Academic and intellectual

    Academic clubs include coding and languages.

    • Coding
    • Languages
    • Reading Club

    School website · Checked 2026-11-06

  • Arts and creative

    Wongwianyai primary students can join after-school arts and dance clubs.

    • Arts and Crafts
    • Hip Hop Dance

    School website · Checked 2026-11-06

  • Social and hobbies

    After-school sports and hobby clubs run on weekday afternoons.

    • Badminton
    • Basketball
    • Football
    • Chess
    • Taekwondo
    • Cooking
    • Reading Club

    School website · Checked 2026-11-06

  • Leadership and professional

    An elected student council includes representatives from all key stages.

    School website · Checked 2026-11-06

Languages

Source: Read from the school's website

  • Language provision

    Thai is compulsory from Nursery to Year 9; Mandarin, Hindi and Punjabi are optional for Years 1 to 11.

    • Thai
    • Mandarin
    • Hindi
    • Punjabi

    School website · Checked 2026-11-06

Reputation

Source: Read from the school's website

  • Accreditations

    The school holds full accreditation from the Council of International Schools (CIS).

    • CIS

    School website · Checked 2026-11-06

Admissions

Source: Read from the school's website

  • Admissions

    A place is not confirmed until a non-refundable deposit is paid.

    School website · Checked 2026-11-06

  • Waitlist

    Full year groups offer a wait pool, which does not work on a first-come, first-served basis.

    School website · Checked 2026-11-06

Location

Source: Read from the school's website

Approximate location. Please use the address above for the exact spot.

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Updated 2026-11-06

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