Killara High School is a co-educational public secondary school, located on Koola Avenue in East Killara, Sydney. Established in 1970, Killara High School is one of the highest performing comprehensive non-selective public schools in the state. The success of the school in the Higher School Certificate (HSC) and its reputation are evident in extracurricular activities such as music, art, dance, debating and strong participation in the Duke of Edinburgh's Award program makes the school extremely desirable for upper class parents who wish to have their children educated in a great public school. Enrolment rose 21% from 2002 to a population of 1400 students in 2009. It now has 1569 students (2013).