The music program at Brooklin High School offers a host of classes and extracurricular ensembles for students. Participating in music classes and ensembles at Brooklin High School allows students to grow their creativity, hone their musical skills, develop self-awareness and self-confidence and be a part of a tight-knit musical community.

From grades nine through twelve, students can take AMU instrumental music and AMV vocal music. Students in grade nine also have the opportunity to take AMC music for creating or AMG guitar class. The music program also offers additional courses for students interested in more specific disciplines. In grade ten, eleven and twelve, students can enrol in AMH jazz studies and AMT pit band.

The Brooklin High School music program offers a variety of instruments for students to choose from. These include flute and piccolo; alto, tenor and baritone saxophone; trumpet and trombone; french horn, euphonium and tuba; piano, electric and upright bass; electric and acoustic guitar; and percussion.

The drama program at Brooklin High School offers a mix of classes for students to engage in.

The school runs ADA Drama courses for students in grades nine to twelve each semester, and regularly offers AMT Musical Theatre courses for students in grades ten and above.

At Brooklin High School, students can take a variety of visual art courses to fulfill their creative needs.

Available to all students from grades nine to twelve is AVI visual art. Outside of AVI visual art courses, students can take other courses within the discipline of art. In grade ten, students have the option to also enrol in AWL drawing. In grade eleven, students can also choose to take AWT urban art.