Our High School home has the following purpose-built facilities that support excellence in all areas of education. ISB is among the best equipped international schools in Asia and will serve Thailand's international community well into the 21st century. High School facilities include:
- library with more than 30,000 books
- electronic whiteboards and laptop computers available in every classroom
- seven science labs
- choir rooms
- instrumental music rooms
- music practice rooms
- industrial design workshop
- jewelry design workshop
- A 5 story Cultural Center which includes a 280 seat theatre
- An additional 750 seat Chevron theatre
- two large gymnasiums
- art studio
- publications room
- photography lab with dark room
- health room
- Nike fitness center
- dance studios
- swimming pool
- three soccer/rugby fields
- state-of-the art all weather running track
- seven tennis courts
- baseball/softball fields
