Students enrolled perform pieces by both modern and classical composers such as Richard Strauss, Led Zeppelin, and Gustav Holst at bi-annual school concerts.

Enrollment in Concert Band is worth one credit, and is generally considered to be a prerequisite for the following instrumental music courses.

The ensemble uses a variety of percussive instruments and focuses on developing and refining rhythmic skills.

Piece(s) by Polyphia, Ella Fitzgerald, and Paul Desmond, as well as original compositions, have all been performed by the ensemble.

However, auxiliary percussion parts are available to those who audition for a rhythm section instrument and don't get the top spot).

While the band participates in numerous festivals every year, it is best known for participating in the Essentially Ellington High School Jazz Band Competition and Festival, which takes place each year at Lincoln Center in New York City.

The choral group also has winter and spring concerts and also participates in the Winnipeg Music Festival.

There are three choral performing ensembles at River East Collegiate: Vocal Jazz (Jazzmyn), Chamber Choir, and Vocalease.

This course allows gifted and talented vocalists to sing advanced four-part music together in a vocal jazz style.

Students involved with the program are offered on-the-job experience and classroom study to help them make the post grad transition.

Once a tutor and a tutee are matched up they simply choose a specific time to meet and then they are all ready to go.

The school football team won the first annual Peguis Bowl in 2007 when they defeated their rival Miles Macdonell Collegiate Buckeyes by a score of 28–0.

The school has a tradition of athletic success and hundreds of KPAC championship banners hang in the gym (some dating back to the 1960s).

First year Head Coach Sean Oleksewycz's team finished the season with a record of 9–1, and rings in hand.

This year the 2010-11 team was KPAC champions and beat Lord Selkirk in provincial finals.

The JV teams participate in KPAC, with the season starting in December, and ending in March.

To make the team you to attend the open tryouts before the soccer season, they usually carry a roster anywhere from 14 -18 girls depending on numbers.

Besides just outdoor soccer River East is one of the few schools in the KPAC division to field an indoor team as well.

The Kodiaks did not have a JV team in the 2010 league due to lack of grade 10 players and loss of coaching staff.