TAS competes as a member of the Interscholastic Association of Southeast Asian Schools (IASAS) along with the International School Bangkok (ISB), International School of Kuala Lumpur (ISKL), International School Manila (ISM), Jakarta Intercultural School (JIS), and Singapore American School (SAS). TAS athletic teams also compete against local and other on-island and off-island international schools.
IASAS Athletics Seasons:
- Season 1: Cross Country, Soccer, Volleyball
- Season 2: Basketball, Rugby, Swimming, Tennis, and Touch
- Season 3: Badminton, Baseball, Golf, Softball, and Track & Field
Fans can find tournament livestreams, results, photos and more by visiting the official IASAS site.
The official IASAS Rules & Guidelines as well as housing suggestions and FAQs can be found on in the Student-Athlete/Parent Handbook.