Wells International School - On Nut Campus is a IB school in Bangkok, Thailand. Founded in 1999. It serves 520 students for students aged 5–19. Annual tuition ranges from $9,722 to $11,111 USD.
Explore This School
Location & Getting There
NanaSays Scorecard
Key Details
Scholarships Available
Wells International School – On Nut provides scholarships totalling over THB 1.5 million annually, open to secondary students. Awards recognise achievements in academics, sports, and the arts, and are applied directly to school fees. Applicants submit a formal application and participate in a personal interview with an administrator.
Key facts
Fees & the true cost of attendance
Published fees
$ 9,722–$ 11,111 per year.
Budget beyond the sticker price. Assume the real annual spend is 5–15% higher than the headline fee. Hidden costs typically include: registration fee, acceptance deposit (usually one term's fees, refundable at the end of schooling), uniform + sports kit, trips and expeditions, individual music tuition, exam entry fees, travel to/from home.
Ask the Bursar for a sample "all-in" first-year invoice before committing.
About
Wells International School - On Nut Campus is a private, coeducational day school in Bangkok, Thailand, authorized by the International Baccalaureate since April 2013. The school offers English-medium instruction and provides a comprehensive range of subjects at the IB Diploma Programme level, including sciences, mathematics, languages, and humanities.
School data verified by NanaSays. Last updated: April 2026.
Why Families Choose
Dual-track curriculum combining American education with IBDP and AP programmes; English-medium instruction in central Bangkok.
University Destinations
Fees & Financials
| Grade / Year | Annual Fee |
|---|---|
| Grades 1-2 | THB 373,200~$ 10,225 |
| Grades 3-4 | THB 412,000~$ 11,288 |
| Grades 5-6 | THB 444,000~$ 12,164 |
| Grades 7-8 | THB 470,000~$ 12,877 |
| Grades 9-10 | THB 516,000~$ 14,137 |
| Grades 11-12 | THB 546,000~$ 14,959 |
Conversions to USD use exchange rates as of April 2026.
Original currency: Baht350,000 - Baht400,000. Application fee: $126.
Admissions Process
- 1Submit the Student Application Form in person or by email (with on-site signature required). 2. Schedule and complete assessments: Grades 1–2 take a paper-based test; Grades 3–12 complete DORA, ALEKS, a writing sample, and a personal interview. 3. Submit official documents including passport copies, academic reports, medical records, and ID photos. 4. Pay all applicable fees (tuition, enrollment, uniforms, ESL if needed). 5. Receive class schedule, supplies, and student-parent handbook to finalise enrollment.
Admissions Details
Student Life
Uniforms are required; individual clothing items cost approximately THB 600–750 each, with P.E. shorts at THB 300.
The On Nut Campus has a cafeteria and a café on site. A weekly lunch menu is published; meals typically include steamed rice, a main dish, soup, fruit, and a beverage, with Thai, Western and other international options. Lunch is THB 15,000 per semester and is mandatory unless an exemption is granted.
Facilities & Programmes
Wellbeing & Safety
The On Nut campus offers counselling services through its Student Support Services Department for all grade levels, addressing personal, social, and academic concerns. Counsellors follow American School Counseling Association guidelines and the school hosts workshops and guest speakers on mental health and well-being topics.
Wells International School has a published Child Protection Policy indicating safeguarding procedures are in place, though detailed practices, training, and designated staff are not publicly disclosed for the On Nut campus.
Student Demographics
Curriculum by Stage
| Stage | Curriculum | Notes |
|---|---|---|
| High School | IB Diploma | — |
| Kindergarten | American Diploma | — |
| Primary & Secondary | American Diploma | Also offers IB curriculum |
School Background
private