Warriappendi Secondary School, founded as Moore Street Alternative School and renamed Warriappendi School in 1983, is a secondary school for Aboriginal and Torres Strait Islander students in western Adelaide, South Australia. Established in the early to mid 1980s by community members Leila Rankine and her sister Veronica Brodie, the school has undergone several moves. It opened its new building in Thebarton on 3 November 2025, at which time there are around 80 students enrolled. There is space for growth, to accommodate up to 150 students.