Students regularly participate in national and international competitions such as the Commonwealth Essay Competition, Sankar Essay Competition, Model UN, World Debates, BRAINBRATS ICT Competition, Bio Chemistry, Physics and Mathematics Olympiad and Spelling Bee Contests.

Sports is compulsory for all students and is included in the weekly schedule. Students also participate in sports and music competitions. Our students have been unbeaten champions in Interschool basketball, cricket and football matches for several years and every year our girls are selected for the national basketball team. Sunbeams hosts annual interschool tournament in football, basketball, volleyball, handball and cricket. The tournaments are for middle school and high school students. For elementary students, the school organizes Annual Sports Day covering a wide range of age-appropriate track and field activities. As a co-educational institute, Sunbeams proactively ensures that both girls and boys are equal participants in the sports events.

The school has weekly ECA classes. Arts and craft, vocal music, guitar, karate, dance, literary club, debate, drama, cooking, gardening, science club and community service are offered to students. Students from the senior classes have to participate in community service and have been pioneers in setting up and running several charitable organizations. Students are expected to spend minimum two hours/week dedicated to community service.