SSIS offers an extensive extra-curricular program. The current list of activities includes a wide range of opportunities from the visual and performing arts to sports as well as leisure and educational activities. Activities are offered from 3:00 to 4:00 p.m. four days a week.

SSIS offers a wide range of sport activities for students. Both middle school and high school offer the opportunity to participate in intramural as well as interscholastic sports. Skill development and sportsmanship are emphasized. MARISA sports, where SSIS teams compete against other schools in the region include: basketball, volleyball, swimming, track and soccer.

SSIS has the best sport facilities in Ho Chi Minh City including an Indoor Swimming Pool, Double Size Gymnasium, Dance Studio and Weight Room.