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Wells International School – On Nut campus serves students in Grades 1–12 (ages roughly 5–18) and became fully operational in fall 2006, graduating its first senior class in 2010. Located on Sukhumvit Road between Soi 85 and Soi 87 in Phra Khanong, it is just minutes from the BTS On Nut station, offering easy access by car or rail. With over 500 students representing around 50 nationalities, the school provides a truly international environment. Instruction is in English, and students can follow an American curriculum with both Advanced Placement courses and the IB Diploma Programme available for senior grades. Facilities include science labs (including AP labs), computer labs, dance and music studios, an auditorium, a swimming pool, a gym, and cafeterias. The school also supports student well-being through health clinics and counseling services.
2209 Sukhumvit Road, Bangchak, Prakhanong, Bangkok 10260.
Wells International School - On Nut Campus has 500 pupils, typical class sizes of 16, instruction in English.
Wells International School – On Nut Campus is in the eastern part of Bangkok, within easy reach of central districts. It is well-connected by public transport, including the BTS Skytrain, and is surrounded by a mix of residential areas, shops, and local amenities. The campus is positioned in a convenient area for families living in various parts of the city.
The campus serves students from Grade 1 through Grade 12. These are divided into primary (Grades 1–5), middle school (Grades 6–8), and high school (Grades 9–12).
Wells International School – On Nut is a co-educational day school. It does not provide boarding facilities.
The school offers English as a Second Language (ESL) and learning support services for an additional fee. Public sources confirm availability but do not specify the exact provisions, staff qualifications, or SEN categories supported.
There is no formal affiliation to a particular country, though the curriculum follows an American framework and offers the IB Diploma Programme.
The school has no religious affiliation.
The school does not publish its detailed daily timetable online. Information such as start and finish times, break schedules, and lunch periods is not publicly disclosed.
The school provides a transportation service for students, with both round-trip and one-way options. Fees vary by distance and zone, ranging from THB 26,000 to THB 37,500 per semester for round-trip service. Transportation is arranged directly through the school.
Annual tuition at Wells International School - On Nut Campus ranges from THB 373,200 to THB 546,000 for 2026/27.
Wells International School - On Nut Campus teaches IB (PYP), Advanced Placement (AP), American Curriculum for students aged 5 to 18.
Wells International School – On Nut Campus offers an American curriculum from Grades 1 to 12, aligned with U.S. educational standards. Core subjects include English, mathematics, science, and social studies, alongside courses in the arts, physical education, and technology. In high school, students may take Advanced Placement (AP) courses across multiple disciplines. For Grades 11 and 12, the school also offers the International Baccalaureate Diploma Programme (IBDP) as an alternative to the AP pathway. Thai language and culture are taught in compliance with Thai Ministry of Education requirements. The curriculum is designed to prepare students for higher education in Thailand and abroad.
At On Nut, the Student Support Services Department provides structured group and individual counselling across all grade levels, addressing areas such as emotional regulation, stress, anxiety, friendship, and more. All counsellors follow American School Counseling Association guidelines and maintain awareness of the cultural diversity within the student body. The school also hosts workshops and brings in guest speakers on topics related to student well-being, mental health, and university preparation. Additionally, educators across campuses received professional development training on integrating social-emotional learning into classrooms.
The school charges an additional ESL/Learning Support fee for some students, indicating that support services may be available. However, it does not publicly specify the types of Special Educational Needs supported, the extent of provision, or the qualifications of staff. Wells International School – On Nut is not described as a specialist SEN institution.
English as a Second Language (ESL) support is available for an additional fee, which varies depending on grade level. The school does not provide publicly available details on the specific teaching methods, staffing, or curriculum for this support.
The On Nut campus offers counselling services through its Student Support Services Department, which are available to students across all grade levels. These services address personal, social, and academic concerns, and are provided by qualified counsellors. While the school confirms the availability of these services, it does not publicly provide detailed descriptions of mental wellbeing programmes or staff qualifications.
Wells International School has a published Child Protection Policy, indicating that safeguarding procedures are in place. However, the school does not provide publicly accessible details of its safeguarding practices, training, or designated safeguarding staff for the On Nut campus.
1. Apply to join the Wells community. Families may submit the Student Application Form either by visiting the campus in person or by downloading and emailing the completed form to the respective campus. Signatures must still be provided on-site for emailed submissions.
2. Schedule a time for testing. Students applying for Grade 1 or 2 complete a paper-based assessment evaluating foundational academic skills. Those applying to Grades 3–12 undertake several components: DORA (Diagnostic Online Reading Assessment), ALEKS (math assessment), a writing sample, and a personal interview.
3. Submit official documents. Once a student is accepted, families must provide documentation including passport copies (student and parents), recent academic reports, medical check-up records, ID photos, and any additional paperwork requested by the school. Thai nationals must also provide a house registration copy.
4. Pay school fees. Before registration can proceed, families must pay all applicable fees such as tuition, enrollment, uniforms, and any additional charges for ESL or after-school programs as needed.
5. Register for classes. Upon confirmation of payment, students will be issued class schedules, basic supplies, and a student-parent handbook. This step finalizes enrollment and allows students to begin attending classes.
Wells International School – On Nut provides scholarships to high-achieving students, totaling over THB 1.5 million each year, open to secondary students across their campuses. These awards recognize achievements in academics, sports, and the arts, and are applied directly to school fees.
The school provides a formal scholarship application, available to new students entering for the current school year. Applicants are evaluated based on specific criteria—such as academic performance, athletic or artistic accomplishments—and participate in a personal interview with an administrator. Award amounts and the number of recipients are determined annually.