BASIS International School

The school's mission is to educate students to the highest international levels using a spiraling liberal arts and sciences curriculum benchmarked against top global education systems. It fosters a joyful learning culture where hard work is celebrated, intellectual pursuits are prioritized, and students are encouraged to develop critical thinking and creative problem-solving skills.

The school offers a comprehensive K-12 curriculum that includes the Early Learning Program (Nursery–Kindergarten), Primary School (Grades 1–3), Bridge Years (Grades 4–5), Middle School (Grades 6–8), and High School (Grades 9–12). The academic program features core disciplines such as mathematics, science, and language, with specialized courses like Logic, Economics, and an optional Chinese Language Program. High school students engage in advanced coursework, including Advanced Placement (AP) exams and Capstone projects.

BASIS International School Bangkok graduates are prepared for higher education at prestigious institutions worldwide. The school reports that 100% of its graduates have been accepted to one or more universities, with students earning significant scholarship totals and high levels of AP Scholar recognition.

The school employs a two-teacher model in classrooms, featuring both Subject Expert Teachers (SETs) and Learning Expert Teachers (LETs) to provide individualized support and guidance. Teachers are required to reserve a minimum of two hours per week for after-school student support.

The school maintains a selective, multi-step admissions process for students from Nursery to Grade 12. Prospective families are encouraged to attend campus events or book private tours, and the school provides an online application form and an interest list for updates. Sibling discounts and a referral credit program are available to support families.

The school operates on an academic calendar that typically runs from August to the following year. Detailed information regarding the 2025-2026 academic calendar is available through the school's official channels.

The 22-rai campus features modern, purpose-built facilities including a 1,600-square-meter indoor convertible gym, a 25-meter competition swimming pool, and a kindergarten learning pool. Academic spaces include 14 science labs, a design kitchen with 3D printing and robotics capabilities, a woodshop, a Black Box Theatre, and a library with co-working space. The campus also incorporates environmental features such as a whole-building pre-cooled fresh-air system, water-recycling systems, and a 500-meter cross-country running track.

Students participate in a variety of extracurricular activities, including sports, arts, music, drama, and technology. The school offers specific programs such as the National Junior Honors Society (NJHS), student-led clubs, and the IAMS Project (Independent, Art, Music, Sport). Additionally, students have access to academies and various student projects.