Over 1500 students are enrolled at Rossmoyne Senior High School from Year 8 (13 years old) to Year 12 (17 years old). Rossmoyne is a cosmopolitan campus, with students representing a vast range of nationalities and cultural backgrounds. This diversity contibutes to a rich and vibrant multicultural learning environment at the school. Many students actively engage in co-curricular pursuits organised by the school whether these be sport, music, dance, debating or inter-school activities.