Liesl Ischia is a diver who represented Australia, attended Carey Baptist Grammar Schol but did not pursue tertiary education.
Having retired from diving in 2006, she studied Medicine at the University of Sydney and is currently a doctor at the Royal Prince Alfred Hospital. Tertiary education, also referred to as third-level, third-stage or post-secondary education, is the educational level following the completion of secondary education. The World Bank, for example, defines tertiary education as including universities as well as trade schools and colleges. 
