International High School | International School Bangkok

Welcome to the High School

Welcome to the High School at International School Bangkok (ISB). Our mission is to inspire students to achieve their academic and personal best, fostering a passion for learning and self-reflection. We aim to develop caring global citizens who lead healthy, active, and balanced lives, both inside and outside the classroom.

The High School at International School Bangkok is dedicated to helping students reach their academic and personal potential. We cultivate passionate, reflective learners who become caring global citizens and lead balanced, healthy lives. In an inclusive environment, we emphasize academic rigor, critical thinking, and independent learning while fostering creativity and social intelligence. With world-class facilities, we support students in achieving their best. We encourage involvement in the arts, athletics, and a range of activities, promoting school spirit and balance. As a diverse community, we value cross-cultural understanding and celebrate the richness of Thailand, our host country.

Dr. KATE Mc Kenna, High School Principal

About Our High School Program

The ISB High School program in Bangkok is designed to meet the needs of students from diverse international backgrounds. We emphasize a balanced curriculum with core subjects, elective courses, and extracurricular activities for well-rounded development.

Our High School program features International Baccalaureate (IB) Diploma and Advanced Placement (AP) offerings, along with core subjects such as English, Mathematics, Sciences, Social Studies, and World Languages. Elective opportunities are also available in the Arts, Design, and Technology.

We offer personalized learning paths with customizable academic programs, with AP and IB options aligned with students' career aspirations. By integrating international frameworks with the US curriculum in a leading high school in Thailand, our students develop global perspectives and understanding.

US-Curriculum IB Diploma & AP Course Options

ISB is recognized among the top US curriculum high schools in Thailand, offering flexible academic pathways that support a wide range of university destinations. Students in Grades 11 and 12 may choose to pursue the International Baccalaureate (IB) Diploma Program, one of the world’s most respected pre-university qualifications.

Our IB Program follows a US-based educational framework that emphasizes critical thinking, communication, research skills, independent learning, collaboration, and problem-solving. Students earn credits toward a High School Diploma while exploring a broad range of subjects and electives.

The IB Diploma emphasizes academic depth and breadth, inquiry-based learning, research and writing, global perspectives, and community engagement. IB students complete six academic subjects, including Theory of Knowledge (TOK), Extended Essay (EE), and Creativity, Activity, Service (CAS).

ISB also offers a wide range of AP courses for students who want advanced subject specialization and university-level coursework. Students may take individual AP courses to pursue a personalized diploma pathway. This flexibility is one reason many families choose ISB as their preferred Thailand international high school.

Student Life & Activities

Life at ISB extends far beyond the classroom. Students are encouraged to participate in activities that help them discover new interests, build leadership skills, and form lasting friendships. As a vibrant high school for international students in Bangkok, ISB offers a wide range of extracurricular opportunities, including athletics and sports programs that promote teamwork, resilience, discipline, and school spirit.

ISB High School students can join a variety of organizations, including academic clubs, cultural activities, service organizations, the Student Council, environmental groups, and robotics and innovation clubs. Leadership opportunities are available throughout the school community, helping students grow as confident and responsible young adults.

University Counseling & Global Opportunities

ISB’s University Counseling program supports students and families throughout the university application process. Our experienced counselors help students explore university options worldwide, build balanced college lists, understand admissions requirements, prepare applications and essays, and navigate scholarships and financial aid opportunities.

As a globally recognized international high school students in Bangkok attend before entering top universities, ISB has a long history of successful placements in institutions across Asia, the United States, the United Kingdom, Canada, Europe, and Australia.

ISB graduates attend many of the world’s leading universities and colleges. Panther alumni can be found studying across the globe and pursuing careers in diverse industries and fields. The school’s strong academic foundation, international environment, and student-centered support system help students transition successfully into university life and beyond.

Tuition & Packages

Families interested in joining ISB High School are encouraged to contact the Admissions Office for the latest tuition fees, enrollment timelines, and application requirements. ISB welcomes local and international families seeking a world-class international high school experience in Bangkok. Our Admissions Team can assist with campus tours, academic guidance, application support, relocation resources, and transition planning.

Take a Look at Our High School Student Life

Explore Our University Counseling

At ISB, our rigorous University Counseling program is dedicated to guiding students through every step of their higher education journey. With personalized support, expert advice, and comprehensive resources, we help students navigate university applications, explore global opportunities, and find the best academic and career paths that align with their passions and aspirations.

Student Well-Being & Support

At ISB, student well-being is considered an essential part of academic success. High School students receive support through counselors and advisors, learning support services, English as an Additional Language (EAL) support, safeguarding and wellness programs, and college and career guidance. We work closely with students and families to create a supportive environment where every learner can succeed.

Learn more

Why Choose ISB High School?

International School Bangkok's high school program blends academic excellence with personal development. Families choose ISB because it combines strong academics, global perspectives, and a supportive community within one exceptional learning environment.

Our US curriculum, enhanced by IB and AP courses, offers rigorous academics alongside leadership opportunities and extracurricular activities. We emphasize both academic achievement and emotional well-being, preparing students to succeed in a global environment. Join our diverse, supportive community at Thailand's premier international high school. Contact us to learn more.

High School Profile

High School Program

High School Handbook

Arts, Activities & Athletics

Frequently Asked Questions

Q: What curriculum does International School Bangkok High School follow?

A: ISB follows a US curriculum framework combined with IB Diploma and AP course options. Our high school in Bangkok allows international students to personalize their academic pathway. Students may pursue the full IB Diploma, individual IB courses, AP courses, or a personalized combination depending on their goals.

Q: What grades are included in the International School Bangkok High School program?

A: The High School program at International School Bangkok caters to students in Grades 9–12.

Q: What extracurricular activities are available at ISB High School?

A: Students can participate in athletics, performing arts, clubs, leadership opportunities, service organizations, and academic competitions.

Q: Is ISB a good option for international families moving to Bangkok?

A: Yes. ISB is one of the most established and respected international high schools in Thailand, offering a US curriculum with strong academics, a welcoming international community, and comprehensive student support services.

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