Students in Years 3-6 are able to join the Rainbow Street PS band. Students are tutored in their chosen instrument and the band performs at various school functions and external events. The band has two rehearsals each week.
The school choir consists of students in Years 3-6. Students have a simple audition to join the choir. Rehearsals are held during lesson time once a week. The choir learns a variety of songs, unison and two part, and also learns choral speaking. The choir sings at school functions/events and also at external events such as the Sydney Region Music Festival and South East Sydney Massed Choir.
The Chess Club meets at lunchtime on Mondays. Inter-school competition chess is also available after school on a Friday during the middle months of the year.
Debating allows Year 5 and 6 students to extend their speaking skills in an inter-school debating competition with schools in the Sydney Region. Students also enter debating competitions utilising the school's video conferencing facilities.
Students in Kindergarten to Year 6 participate in public speaking activities within their classerooms but Stage representatives also speak in competitions such as the Bondi District Public Speaking Competition and the Multiculturaal Public Speaking Competition.