The Gilbert High School 10–12 Choir and Freshmen Choir are non-auditioned, performance-based ensembles which sing a minimum of four concerts per year, as well as IHSMA Large Group Contest. Students in 10–12 Mixed Choir and Freshmen Choir have the opportunity to participate in vocal lessons and IHSMA Solo and Ensemble Contest. Members of the 10–12 Choir may also audition for the IHSMA All-State Choir while Freshmen Choir members may audition for ICDA Opus Honor Choir. In the spring of the year choir members in grades 9–11 have the opportunity to audition for Tiger Voices, a select group of mixed voices that sings contemporary a cappella music.

Gilbert Middle School has non-auditioned, performance-based choirs in sixth, seventh, and eighth grades. The choirs perform four concerts a year (two per semester) and may have additional opportunities to share their music as other events arise. GMS choral students have the opportunity to audition for the ICDA Opus Honor Choir, the ICDA Central District Honor Choir, and the Midwest Children’s Choir Festival.