One Tree Hill College offers a comprehensive arts programme. Students are offered opportunities to participate in a wide range of activities including Music, Art, Dance, Photography, and Drama. The Music department offers opportunities which include choral groups (Peka Totara Girls Choir), student-led male voice choir (Kau Hiva Heilala), and student-led bands. Students regularly participate in Rockquest, the Big Sing, and Showquest, which allows them to develop their artistic abilities and collaboration skills.

There are also a number of clubs and extracurriculars available for students, including Art and Mindfulness, News Media Photography, and participation in Whānau Art Competitions.