Koonung Secondary College is a secondary state school in Mont Albert North, Victoria, in the eastern suburbs of Melbourne, Australia. The school takes its name from the nearby Koonung Creek.

Its school catchment includes the suburbs of Mont Albert, Mont Albert North, Balwyn, Balwyn North, Doncaster, Box Hill, Box Hill North, Surrey Hills and Burwood.

On 13 June 2019, it received a grant of $6.05 million to improve its facilities.

Curriculum

Koonung follows the VELS (Victorian Essential Learning Standards) for the years 7–10 curriculum. A standard VCE (Victorian Certificate of Education) course is run in years 11 & 12 (year 10 students also have the option to take one or two VCE subjects), with a range of VET (Vocational educational Training) subjects also available.

Notable former students

• Zac Clarke – AFL footballer
• Josh Daicos – AFL footballer
• Daniel Pearce – AFL footballer
• Jo Hall
• Eliza Jane Morley - Actress
• Ryan Li - PhD in IT